Common use of Cash Settlement Option Clause in Contracts

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. By: Apex Credit Partners LLC, as Portfolio Manager By: /s/ Xxxxxx Xxxxx Name: Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014Highbridge Loan Management 6-II LTD. 2015, Ltd. By: Apex Credit Partners LLCHPS Investment Partners, as Portfolio LLC As the Collateral Manager By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director Senior Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners HPS Investment Partners, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTDLloyds Banking Group Pensions Trustees Limited as trustee of Lloyds Bank Pension Scheme No. By2 BY: Apex Credit Partners LLCAres Management Limited, as Portfolio its Investment Manager By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Apex Credit CLO 20142015-II LTD. Ltd. By: Apex Credit Partners LLCPartners, as Portfolio its Asset Manager By: /s/ Xxxxxx Xxxxx Name: Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. OFSI BSL VIII, Ltd. By: Apex Credit Partners LLCOFS CLO Management, LLC Its: Management and Originator Series, as Portfolio Collateral Manager By: /s/ Xxxx X. Xxxxxx Xxxxx Name: Xxxx X. Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Sound Point CLO 2014-II LTD. ByIV, Ltd BY: Apex Credit Partners LLCSound Point Capital Management, LP as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxx Name: Xxxxxx Xxxxx Xxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Sound Point Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. ATRIUM IX By: Apex Credit Partners Suisse Asset Management, LLC, as Portfolio Manager portfolio manager By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Suisse Asset Management, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Greenwood Park CLO 2014-II LTD. Ltd. By: Apex Credit Partners LLC, GSO / Blackstone Debt Funds Management LLC as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC GSO Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. ByATRIUM XI BY: Apex Credit Partners Suisse Asset Management, LLC, as Portfolio Manager portfolio manager By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Suisse Asset Management, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CVP CLO 20142017-II LTD. 1 Ltd By: Apex Credit Partners LLCCVP CLO Advisors, LLC as Portfolio Investment Manager By: /s/ Xxxxxx Xxxxx Xxxxxx Name: Xxxxxx Xxxxx Xxxxxx Title: Managing Director Partner If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Value Partners LLC LP Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN ACIS CLO 2014-II LTD. 3, Ltd. By: Apex Credit Partners LLCAcis Capital Management, as L.P., its Portfolio Manager By: /s/ Xxxxxx Xxxxx Name: Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Highland Capital Management, L.P. (Institutional) Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTDLloyds Banking Group Pensions Trustees Limited as trustee of Lloyds Bank Pension Scheme No. By1 BY: Apex Credit Partners LLCAres Management Limited, as Portfolio its Investment Manager By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Venture XXV CLO 2014-II LTD. By: Apex Credit Partners LLCLimited By its Investment Advisor, as Portfolio Manager MJX Asset Management LLC By: /s/ Xxxxxxxxx Xxxxxx Xxxxx Name: Xxxxxxxxx Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC MJX Asset Management Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x o CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO Highbridge Loan Management 4-2014-II LTD. , Ltd. By: Apex Credit HPS Investment Partners LLC, as Portfolio LLC As the Collateral Manager By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director Senior Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners HPS Investment Partners, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Dorchester Park CLO 2014-II LTD. Designated Activity Company By: Apex Credit Partners LLC, GSO / Blackstone Debt Funds Management LLC as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC GSO Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Xxxxxxx Syndicated Loan Fund By: Apex Credit Partners Suisse Asset Management, LLC., as Portfolio Manager Agent (Sub Advisor) for Challenger Investment Services Limited, the Responsible Entity for Xxxxxxx Syndicated Loan Fund By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Suisse Asset Management, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Elevation CLO 20142017-II LTD. 7, Ltd. By: Apex Credit Partners LLC, as Portfolio 325 Fillmore LLC As Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director Portfolio Manager If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners ArrowMark Colorado Holdings LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN AMMC CLO 2014-II LTD. By16, LIMITED BY: Apex Credit Partners LLCAmerican Money Management Corp., as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx X. Xxxxx Name: Xxxxxx Xxxxx X. Xxxxx Title: Managing Director Senior Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC American Money Management Corp. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Xxxxxx XXVIII Senior Loan Fund By: Apex Credit Partners LLCPGIM, Inc., as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC PGIM, Inc. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Ares XLIII CLO 2014-II LTD. Ltd. By: Apex Credit Partners Ares CLO Management LLC, as Portfolio its Asset Manager By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN XXXX CLO 2014-II LTD. 6, Limited By Xxxx Leveraged Loan Master Manager, LLC its collateral manager By: Apex Credit Partners Xxxx Group, LLC, as Portfolio Manager its sole member By: /s/ Xxxxxxx Xxxxxx Xxxxx Name: Xxxxxxx Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners XXXX Group, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Anchorage Capital CLO 2014-II LTD. By6, Ltd. BY: Apex Credit Partners LLCAnchorage Capital Group, as Portfolio L.L.C., its Investment Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Anchorage Capital Group, L.L.C. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. ERIE INSURANCE EXCHANGE By: Apex Credit Partners Suisse Asset Management, LLC., as Portfolio Manager its investment manager for Erie Indemnity Company, as Attorney-in-Fact for Erie Insurance Exchange By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Suisse Asset Management, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Ares XXXI CLO 2014-II LTD. Ltd. By: Apex Credit Partners LLCAres CLO Management XXXI, as L.P., its Portfolio Manager By: Ares Management LLC, its General Partner By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. CLOCKTOWER US SENIOR LOAN FUND, a series trust of MYL Global Investment Trust By: Apex Credit Partners Suisse Asset Management, LLC, as Portfolio Manager the investment manager for Xxxxx Brothers Xxxxxxxx Trust Company (Cayman) Limited, the Trustee for Clocktower US Senior Loan Fund, a series trust of MYL Global Investment Trust By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Suisse Asset Management, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Ares XXVII CLO, Ltd. By: Apex Credit Partners Ares CLO Management LLC, as Portfolio Manager its asset manager By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Ares XXXII CLO 2014-II LTD. Ltd. By: Apex Credit Partners LLCAres CLO Management XXXII, as Portfolio L.P., its Asset Manager By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Anchorage Capital CLO 2014-II LTD. 9, Ltd. By: Apex Credit Partners LLCAnchorage Capital Group, as Portfolio L.L.C., its Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Anchorage Capital Group, L.L.C. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014HPS Loan Management 9-II LTD. 2016, Ltd. By: Apex Credit Partners LLCHPS Investment Partners, as Portfolio LLC As the Collateral Manager By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director Senior Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners HPS Investment Partners, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. STATE OF NEW MEXICO STATE INVESTMENT COUNCIL By: Apex authority delegated to the New Mexico State Investment Office By: Credit Partners Suisse Asset Management, LLC, as Portfolio Manager its investment manager By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Suisse Asset Management, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x o CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO CUTWATER 2014-II LTD. By: Apex Credit Partners LLCI, as Portfolio Manager Ltd., By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Cutwater Investor Services Corp. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Atrium XIII By: Apex Credit Partners Suisse Asset Management, LLC, as Portfolio Manager portfolio manager By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Suisse Asset Management, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Anchorage Credit Funding 3, Ltd By: Apex Credit Partners LLCAnchorage Capital Group, as Portfolio L.L.C., its Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Anchorage Capital Group, L.L.C. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Grippen Park CLO, Ltd. By: Apex Credit Partners LLCGSO / Blackstone Debt Funds Management LLC as Collateral Manager to Warehouse Parent, as Portfolio Manager Ltd. By: /s/ Xxxxxx Xxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC GSO Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Atrium X BY: By: Apex Credit Partners Suisse Asset Management, LLC, as Portfolio Manager portfolio manager By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Suisse Asset Management, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN ARES XXVIII CLO 2014-II LTD. By: Apex Credit Partners LLCAres CLO Management XXVIII, as Portfolio L.P., its Asset Manager By: Ares CLO GP XXVIII, LLC, its General Partner By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Xxxxxx XXV Senior Loan Fund By: Apex Credit Partners LLCPGIM, Inc., as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC PGIM, Inc. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Ares XLVI CLO 2014-II LTD. Ltd. By: Apex Credit Partners Ares CLO Management LLC, as Portfolio its Asset Manager By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Ares XXXVIII CLO 2014-II LTD. Ltd. By: Apex Credit Partners Ares CLO Management II LLC, as Portfolio Manager its asset manager By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. CREDIT SUISSE NOVA (LUX) acting on behalf of Credit Suisse Nova (Lux) Fixed Maturity US Loan Fund 2021 By: Apex Credit Partners LLCSuisse Asset Management, LLC acting in its capacity as Portfolio Investment Manager to Credit Suisse Fund Management S.A., management company for Credit Suisse Nova (Lux) By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Suisse Asset Management, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Prudential Investment Portfolios, Inc. 14 - Prudential Floating Rate Income Fund By: Apex Credit Partners LLCPGIM, Inc., as Portfolio Manager Investment Advisor By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC PGIM, Inc. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Xxxxxx 50 Senior Loan Fund By: Apex Credit Partners LLCPGIM, Inc., as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC PGIM, Inc. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. BySEI INSTITUTIONAL INVESTMENTS TRUST - OPPORTUNISTIC INCOME FUND BY: Apex Credit Partners ARES MANAGEMENT LLC, as Portfolio Manager AS SUB- ADVISOR By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Ares XLV CLO 2014-II LTD. Ltd. By: Apex Credit Partners Ares CLO Management II LLC, as Portfolio its Asset Manager By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. PENSIONDANMARK PENSIONSFORSIKRINGSAKTIESELSKAB By: Apex Credit Partners LLCHighland Capital Management, as Portfolio L.P., As Investment Manager By: /s/ Xxxxxx Xxxxx Name: Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Highland Capital Management, L.P. (Institutional) Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014AIMCO CLO, Series 2017-II LTD. By: Apex Credit Partners LLC, as Portfolio Manager A By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director If a second signature is necessary: Authorized Signatory By: /s/ Xxxx Xxxx Name: Xxxx Xxxx Title: Authorized Signatory Name of Fund Manager (if any): Apex Credit Partners LLC By: Allstate Investment Management Company as Collateral Manager Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Xxxxxxxx Park CLO, Ltd. By: Apex Credit Partners LLCGSO / Blackstone Debt Funds Management LLC as Collateral Manager to Warehouse Parent, as Portfolio Manager Ltd. By: /s/ Xxxxxx Xxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC GSO Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x o CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014Nassau 2017-II LTD. By: Apex Credit Partners LLC, as Portfolio Manager I Ltd. By: /s/ Xxxxxx Xxxxx Xxxxxx Name: Xxxxxx Xxxxx Xxxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014Blackstone / GSO Long-II LTD. ByShort Credit Income Fund BY: Apex Credit Partners LLC, GSO / Blackstone Debt Funds Management LLC as Portfolio Manager Investment Advisor By: /s/ Xxxxxx Xxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC GSO Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014Highbridge Loan Management 5-II LTD. 2015, Ltd. By: Apex Credit Partners LLCHPS Investment Partners, as Portfolio LLC As the Collateral Manager By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director Senior Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners HPS Investment Partners, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Anchorage Credit Funding 4, Ltd By: Apex Credit Partners LLCAnchorage Capital Group, as Portfolio L.L.C., its Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Anchorage Capital Group, L.L.C. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Cedar Funding VIII CLO, Ltd. By: Apex Credit Partners AEGON USA Investment Management, LLC, as its Portfolio Manager By: /s/ Xxxxxx Xxxxx Xxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxx Xxxxxxxxx Title: Managing Associate Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Virtus Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Xxxxxxx Sachs Trust on behalf of the Xxxxxxx Xxxxx High Yield Floating Rate Fund By: Apex Credit Partners LLCXxxxxxx Sachs Asset Management, L.P. as Portfolio Manager investment advisor and not as principal By: /s/ Xxxxxx Xxxxx Xxx Name: Xxxxxx Xxxxx Xxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II XXXXXXX XXXX CLO, LTD. By: Apex Credit Partners LLC, GSO / Blackstone Debt Funds Management LLC as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC GSO Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. By: Apex Credit Partners LLCXxxxxxx Xxxxx Lux Investment Funds for the benefit of Xxxxxxx Sachs High Yield Floating Rate Portfolio (Lux) by Xxxxxxx Xxxxx Asset Management, L.P. solely as Portfolio Manager its investment advisor and not as principal By: /s/ Xxxxxx Xxxxx Xxx Name: Xxxxxx Xxxxx Xxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. By: Apex Credit Partners LLC, as Portfolio Manager Highland Floating Rate Opportunities Fund By: /s/ Xxxxxx Xxxxx Name: Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Highland Capital Management, L.P. (Institutional) Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. ByBLACKSTONE/GSO STRATEGIC CREDIT FUND BY: Apex Credit Partners LLC, GSO / Blackstone Debt Funds Management LLC as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC GSO Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-ABS Loans 2007 Limited, a subsidiary of Xxxxxxx Sachs Institutional Funds II LTD. By: Apex Credit Partners LLC, as Portfolio Manager PLC By: /s/ Xxxxxx Xxxxx Xxx Name: Xxxxxx Xxxxx Xxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Ares Senior Loan Trust BY: Ares Senior Loan Trust Management, L.P., Its Investment Adviser By: Apex Credit Partners Ares Senior Loan Trust Management, LLC, as Portfolio Manager Its General Partner By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. By: Apex Credit Partners LLC, as Portfolio Manager ANFIELD FUNDING ULC By: /s/ Xxxxxx Xxxxx Xxxxx Name: Xxxxxx Xxxxx XXXXX XXXXX Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Scotiabank Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Apex Credit CLO 2014-II LTD. 2016 Ltd. By: Apex Credit Partners LLCPartners, as Portfolio its Asset Manager By: /s/ Xxxxxx Xxxxx Name: Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Anchorage Capital CLO 20142012-II LTD. By1, Ltd. BY: Apex Credit Partners LLCAnchorage Capital Group, as Portfolio L.L.C., its Investment Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Anchorage Capital Group, L.L.C. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. CALIFORNIA STATE TEACHERS’ RETIREMENT SYSTEM By: Apex Credit Partners Suisse Asset Management, LLC, as Portfolio Manager investment manager By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Suisse Asset Management, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Xxxxxx 30 Senior Loan Fund By: Apex Credit Partners LLCPGIM, Inc., as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC PGIM, Inc. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Ares XL CLO 2014-II LTD. Ltd. By: Apex Credit Partners Ares CLO Management II LLC, as Portfolio Manager its asset manager By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Cumberland Park CLO 2014-II LTD. Ltd. By: Apex Credit Partners LLC, GSO / Blackstone Debt Funds Management LLC as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC GSO Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Cedar Funding II CLO 2014-II LTD. By: Apex Credit Partners LLC, as Portfolio Manager Ltd By: /s/ Xxxxxx Xxxxx Xxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxx Xxxxxxxxx Title: Managing Associate Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Virtus Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. By: Apex Covenant Credit Partners LLCCLO II, as Portfolio Manager Ltd. By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director Assistant Portfolio Manager If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Covenant Credit Partners LLC Partners, LP Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Anchorage Capital CLO 2014-II LTD. By4, Ltd. BY: Apex Credit Partners LLCAnchorage Capital Group, as Portfolio L.L.C., its Investment Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Anchorage Capital Group, L.L.C. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Arch Investment Holdings IV Ltd By: Apex Credit Partners Highbridge Principal Strategies LLC, as Portfolio Its Investment Manager By: /s/ Xxxxxx Xxxxx Xxxx Name: Xxxxxx Xxxxx Xxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners HPS Investment Partners, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Xxxxxx 53 CLO, Ltd. By: Apex Credit Partners LLCPGIM, Inc., as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC PGIM, Inc. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Xxxxxx 45 Senior Loan Fund By: Apex Credit Partners LLCPGIM, Inc., as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC PGIM, Inc. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Xxxxxx 40 Senior Loan Fund By: Apex Credit Partners LLCPGIM, Inc., as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC PGIM, Inc. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II HPS WAREHOUSE SARATOGA 2016 LTD. By: Apex Credit HPS Investment Partners CLO (US), LLC, as Portfolio its Asset Manager By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director Senior Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners HPS Investment Partners, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. CCP Loan Funding LLC By: Apex Credit Partners LLCCitibank, as Portfolio Manager N.A., By: /s/ Xxxxxx Xxxxx Xxxxxxx Xxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Xxxxxxxx Title: Managing Associate Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Virtus Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Xxxxxx XXVI Senior Loan Fund By: Apex Credit Partners LLCPGIM, Inc., as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC PGIM, Inc. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN AMMC CLO 2014-II LTD. By20, LIMITED BY: Apex Credit Partners LLCAmerican Money Management Corp., as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxx Name: Xxxxxx Xxxxx Xxxxx Title: Managing Director Senior Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC American Money Management Corp. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Anchorage Credit Funding 2, Ltd By: Apex Credit Partners LLCAnchorage Capital Group, as Portfolio L.L.C., its Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Anchorage Capital Group, L.L.C. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014CUTWATER 2015-II LTD. By: Apex Credit Partners LLCI, as Portfolio Manager Ltd., By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Cutwater Investor Services Corp. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN AMMC CLO 2014-II LTD. ByXI, LIMITED BY: Apex Credit Partners LLCAmerican Money Management Corp., as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx X. Xxxxx Name: Xxxxxx Xxxxx X. Xxxxx Title: Managing Director Senior Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC American Money Management Corp. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Internationale Kapitalanlagegesellschaft mbH for account of INKA GOPK, Segment GOPK HY By: Apex Credit Partners LLCPGIM, Inc., as Portfolio Fund Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC PGIM, Inc. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN AMMC CLO 2014-II LTD. By18, LIMITED BY: Apex Credit Partners LLCAmerican Money Management Corp., as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxx Name: Xxxxxx Xxxxx Xxxxx Title: Managing Director Senior Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC American Money Management Corp. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Sound Point CLO 2014-II LTD. ByII, Ltd BY: Apex Credit Partners LLCSound Point Capital Management, LP as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxx Name: Xxxxxx Xxxxx Xxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Sound Point Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Anchorage Capital CLO 2014-II LTD. By7, Ltd. BY: Apex Credit Partners LLCAnchorage Capital Group, as Portfolio L.L.C., its Investment Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Anchorage Capital Group, L.L.C. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. By: Apex Credit Partners LLC, as Portfolio Manager Suisse Loan Funding LLC By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Authorized Signatory Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN AMMC CLO 2014-II LTD. By17, LIMITED BY: Apex Credit Partners LLCAmerican Money Management Corp., as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx X. Xxxxx Name: Xxxxxx Xxxxx X. Xxxxx Title: Managing Director Senior Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC American Money Management Corp. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Ares XLI CLO 2014-II LTD. Ltd. By: Apex Credit Partners Ares CLO Management II LLC, as Portfolio Manager its asset manager By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Cedar Funding V CLO, Ltd. By: Apex Credit Partners AEGON USA Investment Management, LLC, as its Portfolio Manager By: /s/ Xxxxxx Xxxxx Xxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxx Xxxxxxxxx Title: Managing Associate Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Virtus Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. By: Apex Credit Partners LLCCedar Funding IV CLO, as Portfolio Manager Ltd By: /s/ Xxxxxx Xxxxx Xxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxx Xxxxxxxxx Title: Managing Associate Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Virtus Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Anchorage Capital CLO 20142013-II LTD. By1, Ltd. BY: Apex Credit Partners LLCAnchorage Capital Group, as Portfolio L.L.C., its Investment Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Anchorage Capital Group, L.L.C. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Lord Xxxxxx Investment Trust - Lord Xxxxxx Floating Rate Fund By: Apex Credit Partners Lord Xxxxxx & Co LLC, as Portfolio As Investment Manager By: /s/ Xxxxxx Xxxxxxx Xxxxx Name: Xxxxxx Xxxxxxx Xxxxx Title: Managing Director Portfolio Manager, Taxable Fixed Income If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Lord Xxxxxx Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. ByATRIUM VIII BY: Apex Credit Partners Suisse Asset Management, LLC, as Portfolio Manager Byportfolio manager BY: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Suisse Asset Management, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO CUTWATER 2014-II LTD. By: Apex Credit Partners LLCII, as Portfolio Manager Ltd., By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Cutwater Investor Services Corp. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. SENIOR SECURED FLOATING RATE LOAN FUND By: Apex By: Credit Partners Suisse Asset Management, LLC, as the Portfolio Manager for Propel Capital Corporation, the manager for Senior Secured Floating Rate Loan Fund By: /s/ Xxxxx Xxxxxx Xxxxx Name: Xxxxx Xxxxxx Xxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Suisse Asset Management, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Cedar Funding VII CLO, Ltd. By: Apex Credit Partners AEGON USA Investment Management, LLC, as its Portfolio Manager By: /s/ Xxxxxx Xxxxx Xxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxx Xxxxxxxxx Title: Managing Associate Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Virtus Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Ares XXXIV CLO 2014-II LTD. Ltd. By: Apex Credit Partners Ares CLO Management LLC, as Portfolio Manager its collateral manager By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Xxxxxx 47 Senior Loan Fund By: Apex Credit Partners LLCPGIM, Inc., as Portfolio Collateral Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC PGIM, Inc. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN Anchorage Capital CLO 2014-II LTD. By3, Ltd. BY: Apex Credit Partners LLCAnchorage Capital Group, as Portfolio L.L.C., its Investment Manager By: /s/ Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Xxxxxxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC Anchorage Capital Group, L.L.C. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Ares Institutional Credit Fund, LP By: Apex Ares Institutional Credit Partners GP LLC, as Portfolio Manager its general partner By: /s/ Xxx Xxxxxx Xxxxx Name: Xxx Xxxxxx Xxxxx Title: Managing Director Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. JFIN CLO 2014-II LTD. Prudential Bank Loan Fund of the Prudential Trust Company Collective Trust By: Apex Credit Partners LLCPGIM, Inc., as Portfolio Manager investment advisor By: /s/ Xxxxxx Xxxxx Xxxxxxx Name: Xxxxxx Xxxxx Xxxxxxx Title: Managing Director Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Apex Credit Partners LLC PGIM, Inc. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.