Common use of Revolving Credit Loan Requests Clause in Contracts

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple of $1,000,000 and not less than $5,000,000 for each Borrowing Tranche under the LIBOR Rate Option and (y) an integral multiple of $50,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Revolving Maturity Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple of $1,000,000 and not less than $5,000,000 for each Borrowing Tranche under the LIBOR Rate Option and (y) an integral multiple of $50,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m.1:00 p.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4.1 or a request by telephone immediately promptly confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under the LIBOR Rate Option Option, and (y) an integral multiple multiples of $50,000 500,000 and not less than the lesser of $500,000 or the maximum amount available for each Borrowing Tranches to which Tranche under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple of $1,000,000 and not less than $5,000,000 for each Borrowing Tranche under the LIBOR Rate Option and (y) an integral multiple of $50,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the a Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m.12:00 noon, Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) the same Business Day of as either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 2,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 1,000,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m.12:00 noon, Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any such Loans; and (ii) the same Business Day of on either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any such Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each such Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 100,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to TGI, on behalf of the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or Term Loans pursuant to Section 4.2 [Interest Periods]4.3, by delivering to the Administrative Agent, not later than 11:00 a.m., (i) 2:00 p.m., Pittsburgh time, three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the date of conversion to or the renewal of the LIBOR Euro-Rate Option for any such Loans; and (ii) the same Business Day of 10:30 a.m., Pittsburgh time on either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any LoanLoan to which the Euro-Rate Option applies, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request by telephone immediately confirmed in writing by letter, or facsimile in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, the amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 2,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 200,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the proposed Loans comprising such Borrowing Tranche. If TGI (i) fails to specify an interest rate option to be applicable to a Borrowing Tranche of Loans, the Borrowers shall be deemed to have requested the Base Rate Option with respect to such Borrowing Tranche, or (ii) elects the Euro-Rate option but fails to specify an Interest Period to apply to the applicable Loans, such Interest Period shall be one (1) month.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowing Agent may from time to time prior to the Expiration Date request the Revolver Lenders to make Revolving Credit LoansLoans for the account of the Revolving Borrowers, or, for the account of the Revolver Borrowers or Term Borrowers, as applicable, renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or Term Loans, as applicable, pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an in integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under the LIBOR Rate Option Option, and (y) an integral multiple of $50,000 and not less than the lesser of $500,000 100,000 or the maximum amount available for each Borrowing Tranches to which Tranche under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to TGI, on behalf of the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]3.2, by delivering to the Administrative Agent, not later than 11:00 a.m., (i) 2:00 p.m., Pittsburgh time, three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the date of conversion to or the renewal of the LIBOR Euro-Rate Option for any Loanssuch Loans and four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in an Optional Currency or the date of conversion to or renewal of the Euro-Rate Option for Revolving Credit Loans in an Optional Currency; and (ii) the same Business Day of 10:30 a.m., Pittsburgh time on either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any LoanRevolving Credit Loan to which the Euro-Rate Option applies, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request by telephone immediately confirmed in writing by letter, or facsimile in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Revolving Credit Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Revolving Credit Loans (expressed in the currency in which such Loans shall be funded) comprising each Borrowing Tranche, the Dollar Equivalent amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 2,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 200,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable Borrowing Tranche; and (iv) the currency in which such Loans shall be funded if the Borrowers are electing the Euro-Rate Option; and (v) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the proposed Revolving Credit Loans comprising such Borrowing Tranche. If TGI (i) fails to specify an interest rate option to be applicable to a Borrowing Tranche of Loans, the Borrowers shall be deemed to have requested the Base Rate Option with respect to such Borrowing Tranche, or (ii) elects the Euro-Rate option but fails to specify an Interest Period to apply to the applicable Revolving Credit Loans, such Interest Period shall be 1 month.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Final Maturity Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or Term Loans pursuant to Section 4.2 2.11 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m.2:00 p.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any LoansLoans in Dollars; (ii) not later than 2:00 p.m., (a) four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Optional Currency Loans or the date of conversion to or renewal of the Euro-Rate Option for any Optional Currency Loan, and (iib) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 written notice thereof or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable irrevocable, except as otherwise agreed by the Administrative Agent, and shall specify or certify, as applicable (i) the proposed Borrowing Date; (iiA) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount shall be in (x) an integral multiple the minimum amount of $1,000,000 and not less than $5,000,000 (or the Dollar Equivalent thereof) for each Borrowing Tranche under the LIBOR Rate Option and Tranche, (yB) an integral multiple of $50,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Interest Rate Option shall apply to the proposed Dollar denominated Loans comprising the applicable Borrowing Tranche; , (C) the currency in which such Revolving Credit Loans shall be funded if the Borrower elects an Optional Currency, (D) the applicable Interest Rate Option, and (ivE) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TranchePeriod, if applicable.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, e-mail, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 for each Borrowing Tranche under the LIBOR Rate Option and (y) an in integral multiple multiples of $50,000 1,000,000 and not less than the lesser of $500,000 5,000,000 or the maximum amount available for Borrowing Tranches to which under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m.12:00 noon, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the date of conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Revolving Credit Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; Date and (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in integral multiples of One Million and 00/100 Dollars (x$1,000,000.00) an integral multiple of $1,000,000 and not less than Five Million and 00/100 Dollars ($5,000,000 5,000,000.00) for each Borrowing Tranche under the LIBOR Rate Option and (y) an integral multiple of $50,000 and not less than the lesser of One Million and 00/100 Dollars ($500,000 1,000,000.00) or the maximum amount available for Borrowing Tranches to which under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 500,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any LoansLoans in Dollars; (ii) four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Optional Currency Loans or the date of conversion to or renewal of the LIBOR Rate Option for any Optional Currency Loan, and (iiiii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (iA) the proposed Borrowing Date; applicable Borrower, (iiB) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount shall be in (x) an integral multiple multiples of One Million Dollars ($1,000,000 1,000,000) (or the Dollar Equivalent thereof) and not less than Five Million Dollars ($5,000,000 5,000,000) (or the Dollar Equivalent thereof) for each Borrowing Tranche under the LIBOR Rate Option Option, and (y) an integral multiple multiples of Five Hundred Thousand Dollars ($50,000 500,000) and not less than the lesser of One Million Dollars ($500,000 or the maximum amount available 1,000,000) for each Borrowing Tranches to which Tranche under the Base Rate Option applies; Option, (iiiC) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; , (D) the currency in which such Revolving Credit Loans shall be funded if the applicable Borrower elects the LIBOR Rate Option, and (ivE) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche. No Optional Currency Loan may be borrowed as a Base Rate Loan or converted into a Base Rate Loan or a Loan denominated in a different Optional Currency.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, Loans or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the date of conversion to or the renewal of the LIBOR Euro-Rate Option for any such Loans; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request Loan Request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request Loan Request by telephone immediately confirmed in writing in such form and delivered by letter, facsimile or email (telex in “pdf,” “tif” or similar format) (eachthe form of such Exhibit, a “Loan Request”); it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Revolving Credit Loans comprising each Borrowing Tranche, the amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 3,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 1,000,000 and in integral multiples of $100,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, Agent (i) not later than 11:00 a.m.1:00 p.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Term SOFR Rate Option applies or the conversion to or the renewal of the LIBOR Term SOFR Rate Option for any Loans; and (ii) not later than 1:00 p.m., the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request by telephone immediately confirmed in writing by letter, facsimile or electronic mail in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation, provided such individual purports to be an Authorized Officer. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Revolving Credit Loans comprising each Borrowing Tranche, the amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 3,000,000 for each Borrowing Tranche under to which the LIBOR Term SOFR Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 1,000,000 and in integral multiples of $100,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Term SOFR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Term SOFR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m.Noon, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under the LIBOR Rate Option Option, and (y) an integral multiple multiples of $50,000 100,000 and not less than the lesser of $500,000 or the maximum amount available for each Borrowing Tranches to which Tranche under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the a Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]3.1.3, by delivering to the Administrative Agent, not later than 11:00 a.m., Eastern time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the date of conversion to or the renewal of the LIBOR Euro-Rate Option for any Loanssuch Loans and four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in an Optional Currency or the date of conversion to or renewal of the Euro-Rate Option for Revolving Credit Loans in an Optional Currency; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing in such form and delivered by letter, facsimile or email (telex in “pdf,” “tif” or similar format) the form of such Exhibit (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans (expressed in the currency in which such Loans shall be funded and also as a Dollar Equivalent if such Loans shall be funded in an Optional Currency) comprising each Borrowing Tranche, the Dollar Equivalent amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 1,000,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; (iv) the currency in which such Loans shall be funded if the Borrower is electing the Euro-Rate Option; and (ivv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to TGI, on behalf of the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or Term Loans pursuant to Section 4.2 [Interest Periods]4.3, by delivering to the Administrative Agent, not later than 11:00 a.m., (i) 2:00 p.m., Pittsburgh time, three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the date of conversion to or the renewal of the LIBOR Euro-Rate Option for any such Loans; and (ii) the same Business Day of 10:30 a.m., Pittsburgh time on either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any LoanLoan to which the Euro-Rate Option applies, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request by telephone immediately confirmed in writing by letter, or facsimile in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, the amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 2,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 200,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the proposed Loans comprising such Borrowing Tranche. If TGI (i) fails to specify an interest rate option to be applicable to a Borrowing Tranche of Loans, the Borrowers shall be deemed to have requested the Base Rate Option with respect to such Borrowing Tranche, or (ii) elects the Euro-Rate option but fails to specify an Interest Period to apply to the applicable Loans, such Interest Period shall be one (1) month.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of on the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Revolving Credit Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Revolving Credit Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in integral multiples of Five Hundred Thousand and 00/100 Dollars (x$500,000.00) an integral multiple of $1,000,000 and not less than Two Million and 00/100 Dollars ($5,000,000 2,000,000.00) for each Borrowing Tranche under the LIBOR Rate Option and (y) an integral multiple of $50,000 and not less than the lesser of Two Million and 00/100 Dollars ($500,000 2,000,000.00) or the maximum amount available for Borrowing Tranches to which under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, herein (and subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof4.6 [Selection of Interest Rate Options]), the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 4.3 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under the LIBOR Rate Option and (y) an in integral multiple multiples of $50,000 100,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans, and four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in an Optional Currency or the date of conversion or renewal of the LIBOR Rate Option for Revolving Credit Loans in Optional Currencies; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may reasonably rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (iA) the proposed Borrowing Date; , (iiB) the aggregate amount of the proposed Loans (expressed in the currency in which such Loans are to be funded) comprising each Borrowing Tranche, which provided that the amount of any Borrowing Tranche in Dollars shall be in (x) an integral multiple multiples of $1,000,000 100,000.00 and not less than $5,000,000 1,000,000.00 for each Borrowing Tranche under the LIBOR Rate Option and (y) an integral multiple of $50,000 and not less than the lesser of $500,000 500,000.00 or the maximum amount available for Borrowing Tranches to which under the Base Rate Option appliesOption; (iiiC) the currencies in which such Loans shall be funded if the Borrower is electing the LIBOR Rate Option; (D) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable each Borrowing Tranche; and (ivE) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period Period. Each Loan Request shall be deemed a representation by the Borrower that it has satisfied all of the conditions for the Loans comprising such Borrowing TrancheLoan so requested set forth in this Agreement.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the relevant Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Borrower by the delivery to the Agent, not later than 11:00 a.m.noon (Pittsburgh, Pennsylvania time) (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Revolving Credit Loans; and (ii) on the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 "D" hereto or a request by telephone immediately confirmed in writing by letter or facsimile in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”"LOAN REQUEST"); , it being understood that the Administrative Agent may rely on the authority of any individual person making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Revolving Credit Loans comprising each to be made on such Borrowing TrancheDate, which amount amount, as to Base Rate Portions, shall be in (x) an integral multiple multiples of $500,000 and not less than $1,000,000 and, as to Euro-Rate Portions, shall be in integral multiples of $1,000,000 and not less than $5,000,000 for each Borrowing Tranche under the LIBOR Rate Option and (y) an integral multiple of $50,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies5,000,000; (iii) subject to Section 2.08(d), whether the LIBOR Euro-Rate Option or the Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable to be made on such Borrowing TrancheDate; and (iv) in the case of a Borrowing Tranche Revolving Credit Loans to which the LIBOR Euro-Rate Option appliesapplies and subject to Sections 2.08(d) and 2.08(e), an appropriate Euro-Rate Interest Period for each Euro-Rate Portion of the Revolving Credit Loans comprising to be made on such Borrowing TrancheDate. The Borrower may request disbursements of Short-Term Revolving Credit Loans only when the full amount of Long-Term Revolving Credit Commitment is utilized.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]3.2, by delivering to the Administrative Agent, not later than 11:00 10:30 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; such Loans and four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in an Optional Currency or the date of conversion to or renewal of the Euro-Rate Option for Revolving Credit Loans in an Optional Currency and (ii) the same Business Day of on either the proposed Borrowing Date (which shall be a Business Day) with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 EXHIBIT 2.4 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”"LOAN REQUEST"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans (expressed in the currency in which such Loans shall be funded) comprising each Borrowing Tranche, the Dollar Equivalent amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 100,000.00 and not less than $5,000,000 2,000,000.00 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 or 2,000,000.00 and the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable Borrowing Tranche; (iv) the currency in which such Loans shall be funded if the Borrower is electing the Euro-Rate Option; and (ivv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an in integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under the LIBOR Rate Option Option, and (y) an integral multiple of $50,000 and not less than the lesser of $500,000 100,000 or the maximum amount available for each Borrowing Tranches to which Tranche under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]Loans, by delivering the delivery to the Administrative Agent, not later than 11:00 a.m., 10:00 A.M. Pittsburgh time (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Revolving Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Revolving Credit Loans; and (ii) on the same Business Day of which is the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Revolving Credit Base Rate Option applies or the last day of the preceding Euro-Rate Interest Period with respect to the conversion to the Revolving Credit Base Rate Option for any Revolving Credit Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.05 hereto or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Revolving Credit Loan Request”"); , it being understood that the Administrative Agent may rely in good faith on the authority of any individual person making such a telephonic request without the necessity of receipt of such written confirmationand purporting to be an Authorized Officer. Each Revolving Credit Loan Request shall be irrevocable and shall specify or certify, as applicable (i) specify the proposed Borrowing Date; (ii) specify the aggregate amount of the proposed Revolving Credit Loans comprising each the Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 for each Borrowing Tranche under Revolving Credit Loans to which the LIBOR Revolving Credit Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches Revolving Credit Loans to which the Revolving Credit Base Rate Option applies; (iii) specify whether the LIBOR Revolving Euro-Rate Option or Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable Borrowing Tranche; and (iv) specify in the case of a Borrowing Tranche Revolving Credit Loans to which the LIBOR Revolving Euro-Rate Option applies, an appropriate Euro-Rate Interest Period for the proposed Revolving Credit Loans comprising such the Borrowing Tranche; (v) specify the use by the Borrower of the Loan proceeds; (vi) certify that no Event of Default or Potential Default has occurred and is continuing after giving effect to the proposed Revolving Credit Loan and without limiting the generality of this clause (vi), certify compliance with Section 2.01(c) of this Agreement; and (vii) in the event that the proceeds of the proposed Revolving Credit Loan will be used to acquire a new health care facility or other business, permitted to be acquired pursuant to this Agreement, certify, in detail satisfactory to the Agent, a calculation of the ratio specified in Section 2.01(c).

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or Term Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) the same Business Day of on either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 100,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Agent, on behalf of itself or a Borrower identified in the Loan Request (as hereinafter defined), may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, (i) not later than 11:00 a.m.1:00 p.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans in Dollars; (ii) not later than 1:00 p.m., four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Optional Currency Loans or the date of conversion to or renewal of the Euro-Rate Option for Optional Currency Loans; and (iiiii) not later than 11:00 a.m., the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans (expressed in the currency in which such Loans shall be funded) comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount shall be in (x) an integral multiple multiples of $1,000,000 250,000 (or the Dollar Equivalent thereof) and not less than $5,000,000 1,000,000 (or the Dollar Equivalent thereof) for each Borrowing Tranche under the LIBOR Euro-Rate Option Option, and (y) an integral multiple multiples of $50,000 100,000 and not less than the lesser of $500,000 or the maximum amount available for each Borrowing Tranches to which Tranche under the Base Rate Option appliesOption; (iiiii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable Borrowing Tranche; and (iii) the currency in which such Loans shall be funded if the Borrowers are electing the Euro-Rate Option; (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche; and (v) which Borrower is requesting the Revolving Credit Loan. No Loan made in an Optional Currency may be converted into a Base Rate Loan, a Euro-Rate Loan or a Loan denominated in a different Optional Currency.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, Loans or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Pittsburgh time, (ia) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the date of conversion to or the renewal of the LIBOR Euro-Rate Option for any such Loans; and (iib) the same Business Day of on either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a Loan Request therefor duly completed request therefor by an Authorized Officer substantially in the form of Exhibit 2.5.1 2.4 or a request Loan Request by telephone immediately confirmed in writing in such form and delivered by letter, facsimile or email (telex in “pdf,” “tif” or similar format) (eachthe form of such Exhibit, a “Loan Request”); it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation, provided that such individual purports to be an Authorized Officer. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Revolving Credit Loans comprising each Borrowing Tranche, the amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 1,000,000.00 and not less than $5,000,000 3,000,000.00 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 1,000,000.00 and in integral multiples of $100,000.00 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the a Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit LoansLoans in Dollars, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.01(a) [Revolving Credit Interest PeriodsRate Options], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., New York time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies applies, or with respect to the conversion to or the renewal of the LIBOR Rate Option for any Loans, provided that at any time when an Event of Default shall have occurred and be continuing, a LIBOR Option shall not be available to a Borrower if the Required Banks have so notified the Borrower; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Revolving Credit Loan Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request Revolving Credit Loan Request therefor substantially in the form of Exhibit 2.5.1 2.05 or a request Revolving Credit Loan Request by telephone immediately confirmed in writing by letter, facsimile, email, or telex in the form of such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (eachExhibit. In addition, a “Borrower may from time to time prior to the Expiration Date request to make Revolving Credit Loans in Alternate Currencies by delivering to the Agent, not later than 1:00 P.M., New York time, at least four Business Days prior to the Borrowing Date a duly completed Revolving Credit Loan Request”); it being understood that Request substantially in the Administrative Agent may rely on form of Exhibit 2.05 or a Revolving Credit Loan Request by telephone immediately confirmed in writing by letter, facsimile, email or telex in the authority of any individual making such a telephonic request without the necessity of receipt form of such written confirmationExhibit. Each Revolving Credit Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the identity of the applicable Borrower; (ii) the respective Approved Currency for such Loan; (iii) the proposed Borrowing Date; (iiiv) the aggregate amount of the proposed Loans comprising each Borrowing TrancheTranche (stated in the applicable Approved Currency), which amount shall be (A) for all Loans made to Holdings, the Company, AGRI and AGRO, in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 10,000,000 for each Borrowing Tranche under to which the LIBOR Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies and (B) for all Loans made to the UK Borrower, in integral multiples of $1,000,000 for each Borrowing Tranche to which the LIBOR Option applies and not less than $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iiiv) whether the Revolving Credit LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (ivvi) in the case of a Borrowing Tranche to which the Revolving Credit LIBOR Rate Option applies, an appropriate Revolving Credit Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject the Borrowers, through NovaCare as their agent pursuant to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereofBorrower Agency Agreement, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]Loans, by delivering the delivery to the Administrative Agent, not later than 11:00 a.m., 10:00 a.m. Pittsburgh time (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Revolving Credit Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Revolving Credit Euro-Rate Option for any Revolving Credit Loans; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Revolving Credit Base Rate Option applies or the last day of the preceding Euro-Rate Interest Period with respect to the conversion to the Revolving Credit Base Rate Option for any Revolving Credit Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.05 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Revolving Credit Loan Request”"); , it being understood that the Administrative Agent may rely in good faith on the authority of any individual person making such a telephonic request without the necessity of receipt of such written confirmationand purporting to be an Authorized Officer. Each Revolving Credit Loan Request shall be irrevocable and shall specify or certify, as applicable (i) specify the proposed Borrowing Date; (ii) specify the aggregate amount of the proposed Revolving Credit Loans comprising each the Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,500,000 for each Borrowing Tranche under Revolving Credit Loans to which the LIBOR Revolving Credit Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches Revolving Credit Loans to which the Revolving Credit Base Rate Option applies; (iii) specify whether the LIBOR Revolving Credit Euro-Rate Option or Revolving Credit Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche Revolving Credit Loans to which the LIBOR Revolving Credit Euro-Rate Option applies, specify an appropriate Euro-Rate Interest Period for the proposed Revolving Credit Loans comprising the Borrowing Tranche; (v) specify the Borrower to which each Borrowing Tranche is to apply and the amount of such Borrowing TrancheTranche allocable to such Borrower; (vi) certify that the use by the Borrower of the Revolving Credit Loan proceeds is a use permitted by Section 2.08; and (vii) certify that no Event of Default or Potential Default has occurred and is continuing after giving effect to the proposed Revolving Credit Loan.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]3.2, by delivering to the Administrative Agent, not later than 11:00 a.m., (i) 2:00 p.m., Eastern time, three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Revolving Credit Loans; and (ii) the same Business Day of 1:00 p.m., Eastern time on either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Revolving Credit Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Revolving Credit Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Revolving Credit Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 200,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the proposed Revolving Credit Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., a.m. (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) on the same day as the proposed Borrowing Date, provided that such Borrowing Date shall be a Business Day of (in the event that such Borrowing Date is not a Business Date, the proposed Borrowing Date shall be deemed to be the next Business Day), with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than the lesser of $5,000,000 1,000,000 or the maximum amount available for each Borrowing Tranche under the LIBOR Rate Option and (y) an in integral multiple multiples of $50,000 100,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Paying Agent, not no later than (i) 11:00 a.m., (i) Pittsburgh time, three (3) Business Days prior to to: (A) the proposed Borrowing Date with respect to the making of Revolving Credit Loans or the renewal of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or (B) the date of the conversion to or the renewal of the LIBOR Euro-Rate Option for any Revolving Credit Loans; and (ii) the same Business Day of 10:00 a.m., Pittsburgh time, on either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Paying Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing DateDate or the proposed interest conversion date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, herein (and subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof4.6 [Selection of Interest Rate Options]), the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 4.3 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under the LIBOR Rate Option and (y) an in integral multiple multiples of $50,000 100,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple of $1,000,000 and not less than $5,000,000 for each Borrowing Tranche under the LIBOR Rate Option Option, and (y) an integral multiple of $50,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, Agent (i) not later than 11:00 a.m.1:00 p.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) not later than 1:00 p.m., the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request by telephone immediately confirmed in writing by letter, facsimile or electronic mail in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation, provided such individual purports to be an Authorized Officer. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Revolving Credit Loans comprising each Borrowing Tranche, the amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 3,000,000 for each Borrowing Tranche under to which the LIBOR Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 1,000,000 and in integral multiples of $100,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m.1:00 p.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option or BA Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option or BA Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option or the Canadian Prime Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option or the Canadian Prime Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 (or, with respect to the Canadian Borrower, in such other form as is reasonably acceptable to the Administrative Agent) or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under the LIBOR Rate Option and (y) an integral multiple multiples of $50,000 CD$500,000 and not less than CD$1,000,000 for each Borrowing Tranche under the lesser BA Rate Option, and (y) integral multiples of $100,000 and not less than $500,000 or the maximum amount available for each Borrowing Tranches to which Tranche under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; integral multiples of CD$100,000 and (iv) in the case of a not less than CD$500,000 for each Borrowing Tranche to which under the LIBOR Canadian Prime Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans pursuant to Section 2.1(a) [Loans], or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Revolving Credit Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Revolving Credit Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.6(A) or a request by telephone immediately confirmed in writing by letter, facsimile, email or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 100,000 and not less than $5,000,000 500,000 for each Borrowing Tranche under the LIBOR Rate Option Option, and (y) an integral multiple multiples of $50,000 100,000 and not less than the lesser of $500,000 or the maximum amount available for each Borrowing Tranches to which Tranche under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m.12:00 noon, Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) the same Business Day of on the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.5 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable specify: (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 2,000,000 and not less than $5,000,000 2,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 100,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., : (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 250,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under the LIBOR Rate Option Option, and (y) an integral multiple multiples of $50,000 100,000 and not less than the lesser of $500,000 or the maximum amount available 250,000 for each Borrowing Tranches to which Tranche under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Facility A Lenders to make Revolving Credit Facility A Loans pursuant to Section 2.1(a) [Facility A Loans], or renew or convert the Interest Rate Option applicable to existing Revolving Credit Facility A Loans or Facility B Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Facility A Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Facility A Loans or Facility B Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Facility A Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Facility A Loan or Facility B Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.6(A) or a request by telephone immediately confirmed in writing by letter, facsimile, email or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Borrower Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Borrower Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 100,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under the LIBOR Rate Option Option, and (y) an integral multiple multiples of $50,000 100,000 and not less than $1,000,000 for each Borrowing Tranche under the lesser Base Rate Option. Except as otherwise provided herein, the Trustee may from time to time prior to the Expiration Date request the Facility B Lenders to make Facility B Loans to the Borrower pursuant to Section 2.3 [Facility B Loans], by delivering to the Administrative Agent, not later than 11:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of $500,000 Facility B Loans to which the LIBOR Rate Option applies or the maximum amount available conversion to or the renewal of the LIBOR Rate Option for any Facility B Loans; and (ii) the same Business Day of the proposed Borrowing Tranches Date with respect to the making of a Facility B Loan to which the Base Rate Option appliesapplies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Facility B Loan, of a duly completed request therefor substantially in the form of Exhibit 2.6(B) or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form (each, a "Trustee Loan Request"), it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Trustee Loan Request shall be irrevocable. Concurrently with any Trustee Loan Request, the Borrower shall provide a written notice to the Administrative Agent specifying the Interest Rate Option applicable to the Loan requested by such Trustee Loan Request, and in the case of any Loan request for the LIBOR Rate Option, the Interest Period applicable thereto, Loan shall be in (x) integral multiples of $100,000 and not less than $1,000,000 for each Borrowing Tranche under the LIBOR Rate Option, and (y) integral multiples of $100,000 and not less than $1,000,000 for each Borrowing Tranche under the Base Rate Option ; (iii) whether provided that, if the Administrative Agent does not receive such concurrent notice prior to 11:00 a.m., at least three Business Days prior to the date of the requested Facility B Loan specifying that such Loan is to bear interest at the LIBOR Rate Option or and the Interest Period of such Loan, such Loan shall accrue interest at the Base Rate Option shall apply Option. Upon any Trustee Loan Request being submitted to the proposed Loans comprising Administrative Agent, the applicable Borrowing Tranche; Borrower shall deliver a certificate to the Administrative Agent, in form and (iv) substance satisfactory to the Administrative Agent, to the effect that all conditions precedent set forth in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheSections 7.2 have been satisfied.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request that the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to any existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]4.2, by delivering to the Administrative Agent, not later than 11:00 a.m.1:00 p.m., Pittsburgh time (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; , and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor in substantially in the form of Exhibit 2.5.1 D hereto or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each such Loan Request shall be irrevocable and shall specify or certify, as applicable specify: (iA) the proposed Borrowing Date; (iiB) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 2,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 1,000,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iiiC) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (ivD) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m.1:00 p.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under the LIBOR Rate Option Option, and (y) an integral multiple multiples of $50,000 100,000 and not less than the lesser of $500,000 or the maximum amount available for each Borrowing Tranches to which Tranche under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or Term Loans pursuant to Section 4.2 [Interest Periods]4.2, by delivering to the Administrative Agent, not later than 11:00 10:30 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; such Loans and four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in an Optional Currency or the date of conversion to or renewal of the Euro-Rate Option for Revolving Credit Loans in an Optional Currency and (ii) the same Business Day of on either the proposed Borrowing Date (which shall be a Business Day) with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 EXHIBIT 2.4 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”"LOAN REQUEST"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans (expressed in the currency in which such Loans shall be funded) comprising each Borrowing Tranche, the Dollar Equivalent amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 100,000.00 and not less than $5,000,000 2,000,000.00 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 or 2,000,000.00 and the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable Borrowing Tranche; (iv) the currency in which such Loans shall be funded if the Borrower is electing the Euro-Rate Option; and (ivv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or pursuant to Section 4.2 [3.2 (Interest Periods]), by delivering to the Administrative Agent, not later than 11:00 a.m., Eastern time, (i) three i)three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR LIBO-Rate Option applies or the conversion to or the renewal of the LIBOR LIBO-Rate Option for any Loans; and (ii) on the same Business Day day of either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4.1 or a request by telephone immediately promptly confirmed in writing by letter or facsimile in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the i)the proposed Borrowing Date; (ii) the ii)the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 $ 500,000 and not less than $5,000,000 2,500,000 for each Borrowing Tranche under to which the LIBOR LIBO-Rate Option applies and (y) an which shall be in integral multiple multiples of $50,000 100,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether iii)whether the LIBOR LIBO-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in iv)in the case of a Borrowing Tranche to which the LIBOR LIBO-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche. 2.4.2.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, Loans or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the date of conversion to or the renewal of the LIBOR Rate Option for any such Loans; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a Loan Request therefor duly completed request therefor by an Authorized Officer substantially in the form of Exhibit 2.5.1 2.4 or a request Loan Request by telephone immediately confirmed in writing in such form and delivered by letter, facsimile or email (telex in “pdf,” “tif” or similar format) (eachthe form of such Exhibit, a “Loan Request”); it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation, provided such individual purports to be an Authorized Officer. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Revolving Credit Loans comprising each Borrowing Tranche, the amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 3,000,000 for each Borrowing Tranche under to which the LIBOR Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 1,000,000 and in integral multiples of $100,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.02 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Cleveland time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; , and (ii) the same Business Day of on the proposed Borrowing Date with respect to the making of a Revolving Credit Loan Loans to which the Base Rate Option applies or on the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any LoanLoan then subject to the LIBOR Option, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.05(A) or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 2,500,000 for each Borrowing Tranche under to which the LIBOR Rate Option applies and (y) an integral multiple multiples of $50,000 500,000 and not less than the lesser of $500,000 1,000,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Revolving Credit Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any LoansLoans in Dollars; (ii) four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Optional Currency Loans or the date of conversion to or renewal of the Euro-Rate Option for any Optional Currency Loan, and (iiiii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (iiA) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount shall be in (x) an integral multiple the minimum amount of $1,000,000 and not less than $5,000,000 500,000 (or the Dollar Equivalent thereof) for each Borrowing Tranche under the LIBOR Rate Option and Tranche, (yB) an integral multiple of $50,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Interest Rate Option shall apply to the proposed Dollar denominated Loans comprising the applicable Borrowing Tranche; , (C) the currency in which such Revolving Credit Loans shall be funded if the Foreign Borrowers elect an Optional Currency and the applicable Interest Rate Option, and (ivD) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising Borrower is borrowing such Borrowing TrancheRevolving Credit Loans.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Committed Loan Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m.12:00 noon, Columbus time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) the same Business Day of on the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Committed Loan Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request Committed Loan Request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing in the form of such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) exhibit (each, a “"Revolving Credit Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in integral multiples of One Million and 00/100 Dollars (x$1,000,000.00) an integral multiple of $1,000,000 and not less than Five Million and 00/100 Dollars ($5,000,000 5,000,000.00) for each Borrowing Tranche under to which the LIBOR Euro-Rate Option applies and integral multiples of One Million and 00/100 Dollars (y$1,000,000.00) an integral multiple of $50,000 and not less than the lesser of Five Million and 00/100 Dollars ($500,000 5,000,000.00) or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Committed Loan Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Committed Loan Euro-Rate Option applies, an appropriate Committed Loan Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Revolving Credit Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Revolving Credit Loans; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Revolving Credit Base Rate Option applies or the last day of the preceding Committed Loan Interest Period with respect to the conversion to the Revolving Credit Base Rate Option for any Revolving Credit Loan, of a duly completed request Committed Loan Request therefor substantially in the form of Exhibit 2.5.1 EXHIBIT 2.4.1 or a request Committed Loan Request by telephone immediately confirmed in writing in such form and delivered by letter, facsimile or email (telex in “pdf,” “tif” or similar format) (eachthe form of such Exhibit, a “Loan Request”); it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Committed Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Revolving Credit Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option applies and (y) an in integral multiple multiples of $50,000 500,000 and not less than the lesser of $500,000 5,000,000 or the maximum amount available for Borrowing Tranches to which the Revolving Credit Base Rate Option applies; (iii) whether the LIBOR Revolving Credit Euro-Rate Option or Revolving Credit Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Revolving Credit Euro-Rate Option applies, an appropriate Committed Loan Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m.1:00 p.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option or BA Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option or BA Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option or the Canadian Prime Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option or the Canadian Prime Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 (or, with respect to the Canadian Borrower, in such other form as is reasonably acceptable to the Administrative Agent) or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under the LIBOR Rate Option and (y) an integral multiple multiples of $50,000 CD$500,000 and not less than CD$1,000,000 for each Borrowing Tranche under the lesser BA Rate Option, and (y) integral multiples of $100,000 and not less than $500,000 or the maximum amount available for each Borrowing Tranches to which Tranche under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; integral multiples of CD$100,000 and (iv) in the case of a not less than CD$500,000 for each Borrowing Tranche to which under the LIBOR Canadian Prime Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loanssuch Loans and four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in an Optional Currency or the date of conversion to or renewal of the Euro-Rate Option for Revolving Credit Loans in an Optional Currency; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans (expressed in the currency in which such Loans shall be funded) comprising each Borrowing Tranche, the Dollar Equivalent amount of which amount shall be in integral multiples of One Million and 00/100 Dollars (x$1,000,000.00) an integral multiple of $1,000,000 and not less than Two Million and 00/100 Dollars ($5,000,000 2,000,000.00) for each Borrowing Tranche under to which the LIBOR Euro-Rate Option applies and integral multiples of One Hundred Thousand and 00/100 Dollars (y$100,000.00) an integral multiple of $50,000 and not less than the lesser of Five Hundred Thousand and 00/100 Dollars ($500,000 500,000.00) or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) the currency in which such Loans shall be funded if the Borrower is electing the Euro-Rate Option; and (v) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the a Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m.12:00 noon, Pittsburgh time, (i) three two (32) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) the same Business Day of as either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 2,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 1,000,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in integral multiples of One Million and 00/100 Dollars (x$1,000,000.00) an integral multiple of $1,000,000 and not less than Two Million and 00/100 Dollars ($5,000,000 2,000,000.00) for each Borrowing Tranche under to which the LIBOR Euro-Rate Option applies and integral multiples of One Hundred Thousand and 00/100 Dollars (y$100,000.00) an integral multiple of $50,000 and not less than the lesser of Five Hundred Thousand and 00/100 Dollars ($500,000 500,000.00) or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the date of conversion to or the renewal of the LIBOR Euro-Rate Option for any Loanssuch Loans and four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in an Optional Currency or the date of conversion to or renewal of the Euro Rate Option for Revolving Credit Loans in an Optional Currency; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request Loan Request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation2.5.1. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (ia) the proposed Borrowing Date; (iib) the aggregate amount of the proposed Loans (expressed in the currency in which such Loans shall be funded if such Loans shall be funded in an Optional Currency) comprising each Borrowing Tranche, the Dollar Equivalent amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 1,000,000.00 and not less than $5,000,000 5,000,000.00 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option applies and (y) an in integral multiple multiples of $50,000 100,000.00 and not less than the lesser of $500,000 500,000.00 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iiic) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; (d) the currency in which such Loans shall be funded if the Borrower is electing the Euro Rate Option; and (ive) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to TGI, on behalf of the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]3.2, by delivering to the Administrative Agent, not later than 11:00 a.m., (i) 2:00 p.m., Pittsburgh time, three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the date of conversion to or the renewal of the LIBOR Euro-Rate Option for any such Loans; and (ii) the same Business Day of 10:30 a.m., Pittsburgh time on either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any LoanRevolving Credit Loan to which the Euro-Rate Option applies, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request by telephone immediately confirmed in writing by letter, or facsimile in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Revolving Credit Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Revolving Credit Loans comprising each Borrowing Tranche, the amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 2,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 200,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the proposed Revolving Credit Loans comprising such Borrowing Tranche. If TGI (i) fails to specify an interest rate option to be applicable to a Borrowing Tranche of Loans, the Borrowers shall be deemed to have requested the Base Rate Option with respect to such Borrowing Tranche, or (ii) elects the Euro-Rate option but fails to specify an Interest Period to apply to the applicable Revolving Credit Loans, such Interest Period shall be one (1) month.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Revolving Credit Loans; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Revolving Credit Loan, of a duly completed request Loan Request therefor substantially in the form of Exhibit 2.5.1 2.4.1 or a request Loan Request by telephone immediately confirmed in writing in such form and delivered by letter, facsimile or email (telex in “pdf,” “tif” or similar format) (eachthe form of such Exhibit, a “Loan Request”); it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Revolving Credit Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option applies and (y) an in integral multiple multiples of $50,000 1,000,000 and not less than the lesser of $500,000 5,000,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the an applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR applicable Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m.12:00 p.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any LoansLoans in Dollars; (ii) four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in an Optional Currency or the date of conversion to or renewal of the Euro-Rate Option for Revolving Credit Loans in an Optional Currency; and (iiiii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.3 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans (expressed in the currency in which such Loans shall be funded) comprising each Borrowing Tranche, the Dollar Equivalent amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche to which the Euro-Rate Option applies and (y) integral multiples of $100,000 and not less than $500,000 for each Borrowing Tranche under the LIBOR Rate Option and (y) an integral multiple of $50,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option appliesOption; (iiiii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable Borrowing Tranche; and (iii) the currency in which such Loans shall be funded if the Borrowers are electing the Euro-Rate Option; (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche; and (v) which Borrower is requesting the Revolving Credit Loan.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Revolving Credit Facility B Expiration Date request the Lenders Banks to make Revolving Credit Facility B Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Facility B Loans pursuant to Section 4.2 0 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Facility B Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Facility B Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (eachLoan Request conforming to Section 2.4, a “Loan Request”); it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 100,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the each Borrower may from time to time prior to the Short-Term Expiration Date or Long-Term Expiration Date, as the case may be, request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]3.2, by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) on the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 EXHIBIT 2.5 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) whether such Loan will be a Short-Term Revolving Credit Loan or Long-Term Revolving Credit Loan; (ii) the proposed Borrowing Date; (iiiii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 100,000 and not less than $5,000,000 2,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 100,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iiiiv) whether the LIBOR Rate xxxxxxx xxx Xxxx-Xxxx Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (ivv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], 3.2 by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Philadelphia time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.5 or a request by telephone immediately confirmed in writing by ----------- letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 100,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 300,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or Term Loans pursuant to Section 4.2 [Interest Periods]4.2, by delivering to the Administrative Agent, not later than 11:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) the same Business Day of date as either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Euro-Rate Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.5 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 100,000 and not less than $5,000,000 500,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 50,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Euro-Rate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro Rate Option applies or the conversion to or the renewal of the LIBOR Euro Rate Option for any Loans; (ii) not later than 10:00 a.m., (a) four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Optional Currency Loans or the date of conversion to or renewal of the Euro Rate Option for any Optional Currency Loan, and (iib) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor signed by an Authorized Officer of the Borrower substantially in the form of Exhibit 2.5.1 or a request by telephone from any Authorized Officer of the Borrower immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual Authorized Officer of the Borrower making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (iiA) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount shall be in (x) an integral multiple the minimum amount of $1,000,000 and not less than $5,000,000 500,000 (or the Dollar Equivalent thereof) for each Borrowing Tranche under the LIBOR Rate Option and Tranche, (yB) an integral multiple of $50,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Interest Rate Option shall apply to the proposed Dollar denominated Loans comprising the applicable Borrowing Tranche; and , (ivC) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.the

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in an Optional Currency or the date of conversion to or renewal of the LIBOR Rate Option for Revolving Credit Loans in an Optional Currency; and (iii) on the same Business Day of as to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in the Dollar Equivalent Amount of (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under the LIBOR Rate Option Option, and (y) an integral multiple multiples of $50,000 and 100,000 not less than the lesser of $500,000 or the maximum amount available for each Borrowing Tranches to which Tranche under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to TGI, on behalf of the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or Term Loans pursuant to Section 4.2 [Interest Periods]4.3, by delivering to the Administrative Agent, not later than 11:00 a.m., (i) 2:00 p.m., Pittsburgh time, three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the date of conversion to or the renewal of the LIBOR Euro-Rate Option for any such Loans; and (ii) the same Business Day of 10:30 a.m., Pittsburgh time on either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any LoanLoan to which the Euro-Rate Option applies, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request by telephone immediately confirmed in writing by letter, or facsimile in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, the amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 2,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 200,000 or the maximum amount available for Borrowing Tranches to 44 which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the proposed Loans comprising such Borrowing Tranche. If TGI (i) fails to specify an interest rate option to be applicable to a Borrowing Tranche of Loans, the Borrowers shall be deemed to have requested the Base Rate Option with respect to such Borrowing Tranche, or (ii) elects the Euro-Rate option but fails to specify an Interest Period to apply to the applicable Loans, such Interest Period shall be one (1) month.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Chicago time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of on the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request by telephone immediately promptly confirmed in writing by letter or facsimile in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 100,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under to which the LIBOR Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 100,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Pittsburgh time, (i) three i)three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; , and (iiii)one (1) the same Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the i)the proposed Borrowing Date; (ii) the ii)the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 1,000,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether iii)whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in iv)in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 Borrower Agent, on behalf of itself and the other terms and conditions hereofBorrowers, the Borrower may from time to time prior to the Expiration Date Date, request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or Term Loans pursuant to Section 4.2 Article 4 [Interest PeriodsRates], by delivering to the Administrative Agent, not later than 11:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans denominated in Dollars to which the LIBOR Eurocurrency Rate Option applies or the conversion to or the renewal of the LIBOR Eurocurrency Rate Option for any LoansRevolving Credit Loans denominated in Dollars; and (ii) four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Optional Currency Loans, or the date of the renewal of the Interest Rate Option applicable to any Optional Currency Loan, and (iii) on the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (iia) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 (or the Dollar Equivalent thereof) and not less than $5,000,000 2,500,000 (or the Dollar Equivalent thereof) for each Borrowing Tranche under the LIBOR Eurocurrency Rate Option Option, and (y) an integral multiple multiples of $50,000 500,000 and not less than the lesser of $500,000 or the maximum amount available 1,000,000 for each Borrowing Tranches to which Tranche under the Base Rate Option appliesOption; (iiib) whether the LIBOR Rate Option or Base Rate Option currency in which such Revolving Credit Loans shall apply to be funded if the proposed Loans comprising Borrowers elect an Optional Currency, and (c) the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Interest Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Lender to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative AgentLender, not later than 11:00 a.m.12:00 noon, Pittsburgh time, (i) three two (32) Business Days prior to the proposed Borrowing Date with respect to the making of a Revolving Credit Loans Loan to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any LoansRevolving Credit Loan; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Revolving Credit Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) EXHIBIT 2.4 (each, a “Loan Request”"LOAN REQUEST"); it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans Revolving Credit Loan comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple of $1,000,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under the LIBOR Rate Option and (y) an integral multiple of $50,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Euro-Rate Option appliesapplies ; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans Revolving Credit Loan comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans proposed Revolving Credit Loan comprising such Borrowing Tranche. Notwithstanding the foregoing, the Borrower shall be limited to submitting one Loan Request in each calendar week with respect to the making of Revolving Credit Loans.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to TGI, on behalf of the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]4.3, by delivering to the Administrative Agent, not later than 11:00 a.m., (i) 2:00 p.m., Pittsburgh time, three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the date of conversion to or the renewal of the LIBOR Euro-Rate Option for any such Loans; and (ii) the same Business Day of 10:30 a.m., Pittsburgh time on either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any LoanLoan to which the Euro-Rate Option applies, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request by telephone immediately confirmed in writing by letter, or facsimile in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, the amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 2,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 200,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the proposed Loans comprising such Borrowing Tranche. If TGI (i) fails to specify an interest rate option to be applicable to a Borrowing Tranche of Loans, the Borrowers shall be deemed to have requested the Base Rate Option with respect to such Borrowing Tranche, or (ii) elects the Euro-Rate option but fails to specify an Interest Period to apply to the applicable Loans, such Interest Period shall be one (1) month.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]3.2, by delivering to the Administrative Agent, not later than 11:00 10:30 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; such Loans and four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in an Optional Currency or the date of conversion to or renewal of the Euro-Rate Option for Revolving Credit Loans in an Optional Currency and (ii) the same Business Day of on either the proposed Borrowing Date (which shall be a Business Day) with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans (expressed in the currency in which such Loans shall be funded) comprising each Borrowing Tranche, the Dollar Equivalent amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 100,000.00 and not less than $5,000,000 2,000,000.00 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 or 2,000,000.00 and the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable Borrowing Tranche; (iv) the currency in which such Loans shall be funded if the Borrowers are electing the Euro-Rate Option; and (ivv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and Borrowing Agent, on behalf of the other terms and conditions hereofBorrowers, the Borrower may from time to time prior to the Expiration Maturity Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any LoansLoans in Dollars; (ii) not later than 10:00 a.m., (a) four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Optional Currency Loans or the date of conversion to or renewal of the Euro-Rate Option for any Optional Currency Loan, and (iib) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile form, in each case which request shall also indicate whether such Revolving Credit Loan will be extended to the UK Borrower or email (in “pdf,” “tif” or similar format) to a US Borrower (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual Authorized Officer making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (iiA) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 500,000 (or the Dollar Equivalent thereof) and not less than $5,000,000 500,000 (or the Dollar Equivalent thereof) for each Borrowing Tranche under the LIBOR Euro-Rate Option Option, and (y) an integral multiple multiples of $50,000 100,000 and not less than the lesser of $500,000 250,000 (or the maximum amount available Dollar Equivalent thereof) for each Borrowing Tranches to which Tranche under the Base Rate Option applies; Option, (iiiB) whether the LIBOR Rate Option or Base which Interest Rate Option shall apply to the proposed Dollar denominated Loans comprising the applicable Borrowing Tranche; , (C) the currency in which such Revolving Credit Loans shall be funded if the Borrowers elect an Optional Currency, the applicable Interest Rate Option, and (ivD) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TranchePeriod, if applicable.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or pursuant to Section 4.2 [3.2 (Interest Periods]), by delivering to the Administrative Agent, not later than 11:00 a.m., Eastern time, (i) three i)three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR LIBO-Rate Option applies or the conversion to or the renewal of the LIBOR LIBO-Rate Option for any Loans; and (ii) on the same Business Day day of either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4.1 or a request by telephone immediately promptly confirmed in writing by letter or facsimile in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the i)the proposed Borrowing Date; (ii) the ii)the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 2,500,000 for each Borrowing Tranche under to which the LIBOR LIBO-Rate Option applies and (y) an which shall be in integral multiple multiples of $50,000 100,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether iii)whether the LIBOR LIBO-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in iv)in the case of a Borrowing Tranche to which the LIBOR LIBO-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche. 2.4.2.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m.12:00 noon, Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Libor-Rate Option applies or the conversion to or the renewal of the LIBOR Libor-Rate Option for any Loans; and (ii) the same Business Day of on the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a 32 “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under to which the LIBOR Libor-Rate Option applies and (y) an in integral multiple multiples of $50,000 100,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Libor-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Libor-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or Term Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request by telephone immediately confirmed in writing by letter or facsimile in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 100,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the The Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]3.2, by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Any Revolving Credit Loans made on the Closing Date shall be Loans to which the Base Rate Option applies. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $100,000 and not less than $1,000,000 for each Borrowing Tranche under the LIBOR Rate Option, and (y) integral multiples of $1,000,000 and not less than $5,000,000 100,000 for each Borrowing Tranche under the LIBOR Base Rate Option and (y) an integral multiple of $50,000 and not less than or, if the lesser of $500,000 or the maximum then aggregate amount available for Borrowing Tranches to which borrowing under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option appliesRevolving Credit Commitments is less than $1,000,000, an appropriate Interest Period for the Loans comprising such Borrowing Tranchelesser amount).

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any LoansLoans in Dollars; (ii) not later than 11:00 a.m., (i) four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Optional Currency Loans or the date of conversion to or renewal of the LIBOR Rate Option for any Optional Currency Loan, and (iiiii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile, electronic mail or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely in good faith on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (iiA) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 (or the Dollar Equivalent thereof) and not less than $5,000,000 1,000,000 (or the Dollar Equivalent thereof) for each Borrowing Tranche under the LIBOR Rate Option Option, and (y) an integral multiple multiples of $50,000 500,000 and not less than the lesser of $500,000 or the maximum amount available 1,000,000 for each Borrowing Tranches to which Tranche under the Base Rate Option applies; Option, (iiiB) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; , (C) the currency in which such Revolving Credit Loans shall be funded if a Borrower elects the LIBOR Rate Option, and (ivD) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche. No Optional Currency Loan may be converted into a Base Rate Loan.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Maturity Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 500,000 for each Borrowing Tranche under the LIBOR Rate Option Option, and (y) an integral multiple multiples of $50,000 100,000 and not less than the lesser of $500,000 or the maximum amount available 250,000 for each Borrowing Tranches to which Tranche under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the a Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Rate Option applies or the date of conversion to or the renewal of the LIBOR Rate Option for any LoansLoans in Dollars; (ii) not later than 10:00 a.m., four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Optional Currency Loans or the date of renewal of the LIBOR Rate Option for any Optional Currency Loan, and (iiiii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or other electronic communication in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Revolving Credit Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Revolving Credit Loan Request shall be irrevocable and shall specify or certify, as applicable (iA) the Borrower requesting the Revolving Loan, (B) proposed Borrowing Date; , (iiC) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 1,000,000.00 (or the Dollar Equivalent thereof) and not less than $5,000,000 5,000,000.00 (or the Dollar Equivalent thereof) for each Borrowing Tranche under the LIBOR Rate Option Option, and (y) an in integral multiple multiples of $50,000 500,000.00 and not less than the lesser of $500,000 1,000,000.00 or the maximum amount available for each Borrowing Tranches to which Tranche under the Base Rate Option applies; Option, (iiiD) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; , (E) the currency in which such Revolving Credit Loans shall be funded if the applicable Borrower elects the LIBOR Rate Option, and (ivF) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche. Notwithstanding the requirement under this Section 2.5.1 [Revolving Credit Loan Requests] that a Borrower deliver a Loan Request three (3) Business Days prior to a proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies, the Lenders agree that the Borrowers may deliver a Loan Request on the same Business Day as the proposed Borrowing Date with respect to a Revolving Credit Loan Request made on the Closing Date.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or Term Loans pursuant to Section 4.2 [Interest Periods]4.2, by delivering to the Administrative Agent, not later than 11:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) the same Business Day of either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Euro-Rate Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 EXHIBIT 2.4 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”"LOAN REQUEST"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 250,000 and not less than $5,000,000 500,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 250,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Euro-Rate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date A request the Lenders to make for a Revolving Credit LoansLoan shall be made, or renew or convert shall be deemed to be made, in the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]following manner: (i) Borrower shall give Lender same day notice, by delivering to the Administrative Agent, not no later than 11:00 a.m.A.M. (Eastern time) of such day, (i) of its intention to borrow a Revolving Credit Base Rate Loan, and at least three (3) Business Days prior notice of its intention to borrow a Revolving Credit LIBOR Rate Loan, in which notice Borrower shall specify the amount of the proposed Borrowing Date with respect to borrowing and the making proposed borrowing date; provided, however, that no such request may be made at a time when there exists a Default or an Event of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; Default and (ii) the same Business Day becoming due of the proposed Borrowing Date with respect any amount required to the making of be paid under this Agreement, whether as interest or for any other Obligation, shall be deemed irrevocably to be a request for a Revolving Credit Loan on the due date in the amount required to which the Base Rate Option applies pay such interest or the last day other Obligation. As an accommodation to Borrower, Lender may permit telephone requests for Revolving Credit Loans and electronic transmittal of the preceding Interest Period with respect instructions, authorizations, agreements or reports to the conversion Lender by Borrower. Unless Borrower specifically directs Lender in writing not to the Base Rate Option accept or act upon telephonic or electronic communications from Borrower, Lender shall have no liability to Borrower for any Loanloss or damage suffered by Borrower as a result of Lender's honoring any requests, executions of a duly completed request therefor substantially in any instructions, authorizations or agreements or reliance on any reports communicated to it telephonically or electronically and purporting to have been sent to Lender by Borrower, and Lender shall have no duty to verify the form origin of Exhibit 2.5.1 any such communication or a request by telephone immediately confirmed in writing in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmationperson sending it. Each Loan Request notice of borrowing shall be irrevocable by and binding on Borrower, and if such notice requests the borrowing of a LIBOR Rate Loan, such notice shall specify state the Inits option, may choose Base Rate Loans or certifyLIBOR Rate Loans, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount provided that any LIBOR Rate Loan shall be in (x) an integral multiple a minimum amount of $1,000,000 500,000, and not less than $5,000,000 for each Borrowing Tranche under provided, further, that the right of Borrower to choose any LIBOR Rate Option and (y) an integral multiple of $50,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply Loan is subject to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case provisions of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranchesubsection 3.1.4.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.02 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Cleveland time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; , and (ii) the same Business Day of on the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or on the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any LoanLoan then subject to the LIBOR Option, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.05(A) or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 2,500,000 for each Borrowing Tranche under to which the LIBOR Rate Option applies and (y) an integral multiple multiples of $50,000 500,000 and not less than the lesser of $500,000 1,000,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request that the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., Eastern time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) on the same Business Day day of either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option or Index Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option or Index Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4.1 or a request by telephone immediately promptly confirmed in writing by letter or facsimile in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 500,000 and not less than $5,000,000 2,500,000 for each Borrowing Tranche under to which the LIBOR Rate Option applies and (y) an which shall be in integral multiple multiples of $50,000 100,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option or Index Rate Option applies; (iii) whether the LIBOR Rate Option Option, Base Rate Option, or Base Index Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not no later than 11:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making making, renewal of or conversion to Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loansapplies; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple of $1,000,000 and not less than $5,000,000 for each Borrowing Tranche under the LIBOR Rate Option and (y) an integral multiple of $50,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Co-Borrowers may from time to time prior to the Revolving Credit Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]Loans, by delivering the delivery to the Administrative Agent, not later than 11:00 a.m.2:00 p.m., Cincinnati time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Revolving Credit Loans; , and (ii) the same Business Day of not later than 11:00 a.m., Cincinnati time, on the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Euro-Rate Interest Period with respect to the conversion to the Base Rate Option for any Revolving Credit Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.5(a) or a request by telephone immediately confirmed in writing in such form and delivered by letter, facsimile or email (in “pdf,” “tif” or similar format) telex (each, a “"Revolving Credit Loan Request”" or "Loan Request"); , it being understood that the Administrative Agent may rely on the authority of any individual person making such a telephonic request without the necessity of receipt of such written confirmation. Each Revolving Credit Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate principal amount of the proposed Revolving Credit Loans comprising each the Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 250,000 and not less than $5,000,000 750,000 for each Borrowing Tranche under Revolving Credit Loans to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 or the maximum amount available under the Revolving Credit Commitments for Borrowing Tranches Revolving Credit Loans to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or the Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche Revolving Credit Loans to which the LIBOR Euro-Rate Option applies, an appropriate Euro-Rate Interest Period for the proposed Revolving Credit Loans comprising such the Borrowing Tranche. If no such notice is given at least three (3) Business Days prior to the expiration of any Euro-Rate Interest Period for any Revolving Credit Loan or portion thereof, the Co-Borrowers shall be deemed to have converted such Revolving Credit Loan or portion thereof to the Base Rate Option commencing upon the last day of that Euro-Rate Interest Period.

Revolving Credit Loan Requests. (a) Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Maturity Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]Loans, by delivering to the Administrative Agent, not later than 11:00 a.m.10:00 A.M. Eastern time, ten (10) Business Days prior to the proposed Borrowing Date with respect to the making of each Revolving Credit Loan (provided that, so long as the applicable Lessee shall have waived the conditions precedent set forth in Schedule 11.02 to the Participation Agreement pursuant to Section 11.02 thereto (other than in connection with an Acquisition Advance), (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same one (1) Business Day of prior to the proposed Borrowing Date with respect to the making of a Revolving Credit Loan Loans to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loanapplies), of a duly completed request therefor substantially in the form of Exhibit 2.5.1 B or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Revolving Credit Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Revolving Credit Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Revolving Credit Loans comprising each Borrowing Tranche, which amount which, except as otherwise provided in Section 2.10, shall not be in (x) an integral multiple of $1,000,000 and not less than $5,000,000 5,000,000, for each Euro-Rate Borrowing Tranche under the LIBOR Rate Option and (y) an integral multiple of $50,000 and shall not be less than the lesser of $500,000 1,000,000 or the maximum amount available for Borrowing Tranches to which the borrowing for each Base Rate Option appliesBorrowing Tranche; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Euro-Rate Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the proposed Revolving Credit Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Company may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 2,500,000 for each Borrowing Tranche under the LIBOR Rate Option Option, and (y) an integral multiple multiples of $50,000 500,000 and not less than the lesser of $500,000 or the maximum amount available 1,000,000 for each Borrowing Tranches to which Tranche under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or Term Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) on the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.5 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 3,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 100,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m.12:00 noon, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any LoansLoans in Dollars; (ii) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans denominated in Canadian dollars or Euro or the date of conversion to or renewal of the Euro Rate Option for Revolving Credit Loans denominated in Canadian dollars or Euro; (iii) four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in an Optional Currency (other than Revolving Credit Loans denominated in Canadian dollars or Euro) or the date of conversion to or renewal of the Euro-Rate Option for Revolving Credit Loans in an Optional Currency; and (iiiv) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan denominated in Dollars to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (iiA) the aggregate amount of the proposed Loans (expressed in the currency in which such Loans shall be funded) comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount shall be in (x) an integral multiple multiples of $1,000,000 (or the Dollar Equivalent thereof) and not less than $5,000,000 (or the Dollar Equivalent thereof) for each Borrowing Tranche under the LIBOR Euro-Rate Option Option, and (y) an integral multiple multiples of $50,000 500,000 and not less than the lesser of $500,000 or the maximum amount available 1,000,000 for each Borrowing Tranches to which Tranche under the Base Rate Option appliesOption; (iiiB) whether the LIBOR Rate Option or Base which Interest Rate Option shall apply to the proposed Dollar denominated Loans comprising the applicable Borrowing Tranche; and , (ivC) the currency in which such Revolving Credit Loans shall be funded if a Borrower elects an Optional Currency, the case of a Borrowing Tranche to which the LIBOR applicable Interest Rate Option appliesOption, (D) an appropriate Interest Period for Period, and (E) which Borrower is requesting the Loans comprising such Borrowing TrancheRevolving Credit Loan. No Loan made in an Optional Currency may be converted into a Base Rate Loan, a Euro-Rate Loan or a Loan denominated in a different Optional Currency.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any LoansLoans in Dollars; (ii) not later than 10:00 a.m., (a) four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Optional Currency Loans or the date of conversion to or renewal of the Euro-Rate Option for any Optional Currency Loan, and (iib) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (iiA) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount shall be in (x) an integral multiple the minimum amount of $1,000,000 and not less than $5,000,000 1,000,000.00 (or the Dollar Equivalent thereof) for each Borrowing Tranche under the LIBOR Rate Option and Tranche, (yB) an integral multiple of $50,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Interest Rate Option shall apply to the proposed Dollar denominated Loans comprising the applicable Borrowing Tranche; , (C) the currency in which such Revolving Credit Loans shall be funded if the Borrower elects an Optional Currency, the applicable Interest Rate Option, and (ivD) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TranchePeriod, if applicable.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 Borrower and the other terms and conditions hereof, the Co-Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or Term Loans pursuant to Section 4.2 [Interest Periods]4.2, by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Pittsburgh time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan Loans to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) 2.5 (each, a “"Loan Request”"); it being understood , which includes a representation that the Administrative Agent may rely on Borrower is in compliance with Sections 8.2.16 after giving effect to the authority of any individual making Loans subject to such a telephonic request without the necessity of receipt of such written confirmationLoan Request. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 1,000,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date A request the Lenders to make for a Revolving Credit LoansLoan shall be made, or renew or convert shall be deemed to be made, in the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., following manner: (i) Borrowers shall give Agent same day notice, no later than 1:00 P.M. (Eastern time) of such day, of their intention to borrow a Revolving Credit Base Rate Loan, and at least three (3) Business Days prior notice of their intention to borrow a Revolving Credit LIBOR Rate Loan, in which notice Borrowers shall specify the amount of the proposed Borrowing Date with respect to borrowing and the making proposed borrowing date; provided, however, that no such request may be made at a time when there exists a Default or an Event of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; Default and (ii) the same Business Day becoming due of the proposed Borrowing Date with respect any amount required to the making of be paid under this Agreement, whether as interest or for any other Obligation, shall be deemed irrevocably to be a request for a Revolving Credit Loan on the due date in the amount required to which pay such interest or other Obligation. As an accommodation to Borrowers, Agent may permit telephone requests for Revolving Credit Loans and electronic transmittal of instructions, authorizations, agreements or reports to Agent by Borrowers. Unless Borrowers specifically direct Agent in writing not to accept or act upon telephonic or electronic communications from Borrowers, Agent shall have no liability to Borrowers for any loss or damage suffered by Borrowers as a result of Agent’s honoring any requests, executions of any instructions, authorizations or agreements or reliance on any reports communicated to it telephonically or electronically and purporting to have been sent to Agent by Borrowers, and Agent shall have no duty to verify the Base Rate Option applies origin of any such communication or the last day authority of the preceding person sending it. Each notice of borrowing shall be irrevocable by and binding on Borrowers, and if such notice requests the borrowing of a LIBOR Rate Loan, such notice shall state the Interest Period with respect thereto. Borrowers, at their option, may choose Base Rate Loans or LIBOR Rate Loans and provided, further, that the right of Borrowers to choose any LIBOR Rate Loan is subject to the conversion to the Base Rate Option for any Loanprovisions of subsections 2.1.1, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing in such form 2.1.2 and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple of $1,000,000 and not less than $5,000,000 for each Borrowing Tranche under the LIBOR Rate Option and (y) an integral multiple of $50,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche3.1.4.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any LoansLoans in Dollars; (ii) not later than 10:00 a.m., (a) four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Optional Currency Loans or the date of conversion to or renewal of the Euro-Rate Option for any Optional Currency Loan, and (iib) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately promptly (and in any event by 2:00 p.m. on such day) confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (iiA) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in the minimum amount of $5,000,000 (x) an or the Dollar Equivalent thereof), and in integral multiple multiples of $1,000,000 and not less than $5,000,000 (or the Dollar Equivalent thereof) in excess thereof, for each Borrowing Tranche under the LIBOR Rate Option and Tranche, (yB) an integral multiple of $50,000 and not less than the lesser of $500,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Interest Rate Option shall apply to the proposed Dollar denominated Loans comprising the applicable Borrowing Tranche; and , (ivC) the currency in the case of a which each Borrowing Tranche to which shall be funded if the LIBOR Rate Option appliesBorrower elects an Optional Currency, (D) an appropriate Interest Period for Period, if applicable, and (E) the Loans comprising such proposed Borrowing TrancheDate.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., 12:00 noon (a) (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans in Dollars to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any LoansLoans in Dollars; (ii) four (4) Business Days prior to the proposed Borrowing Date with respect to the making of Optional Currency Loans (other than such Loans in Singapore Dollars, Japanese Yen or Australian Dollars) or the date of conversion to or renewal of the Euro-Rate Option for any Optional Currency Loan (other than such Loans in Singapore Dollars, Japanese Yen or Australian Dollars); or (iii) five (5) Business Days prior to the proposed Borrowing Date with respect to the making of Optional Currency Loans in Singapore Dollars, Japanese Yen or Australian Dollars or the date of conversion to or renewal of the Euro-Rate Option for any Optional Currency Loan in Singapore Dollars, Japanese Yen or Australian Dollars), and (iib) the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing in such form and delivered by letter, facsimile or email e-mail (in “pdf,” ”, “tif” or similar format) in such form (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (iiA) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount shall be in (x) an integral multiple multiples of One Million and 00/100 Dollars ($1,000,000 1,000,000.00) (or the Dollar Equivalent thereof) and not less than Five Million and 00/100 Dollars ($5,000,000 5,000,000.00) (or the Dollar Equivalent thereof) for each Borrowing Tranche under the LIBOR Euro-Rate Option Option, and (y) an integral multiple multiples of One Hundred Thousand and 00/100 Dollars ($50,000 100,000.00) and not less than the lesser of One Million and 00/100 Dollars ($500,000 or the maximum amount available 1,000,000.00) for each Borrowing Tranches to which Tranche under the Base Rate Option applies; Option, (iiiB) whether the LIBOR Rate Option or Base which Interest Rate Option shall apply to the proposed Dollar denominated Loans comprising the applicable Borrowing Tranche; , (C) the currency in which such Revolving Credit Loans shall be funded if the Borrower elects an Optional Currency, the applicable Interest Rate Option, and (ivD) an appropriate Interest Period, if applicable. Notwithstanding the requirement under this Section 2.5.1 that the Borrower deliver a Loan Request at least three (3) Business Days prior to a proposed Borrowing Date with respect to the making of Revolving Credit Loans in the case of a Borrowing Tranche Dollars to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Lenders agree that the Borrower may deliver a Loan Request on the same Business Day as the proposed Borrowing TrancheDate with respect to a Loan Request made on the Closing Date.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, Loans or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, (i) not later than 11:00 a.m.1:00 p.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) not later than 1:00 p.m., the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4 or a request by telephone immediately confirmed in writing by letter, facsimile or electronic mail in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, each a “Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation, provided such individual purports to be an Authorized Officer. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Revolving Credit Loans comprising each Borrowing Tranche, the amount of which amount shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 3,000,000 for each Borrowing Tranche under to which the LIBOR Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 1,000,000 and in integral multiples of $100,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans or Term Loans pursuant to Section 4.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Eastern time, (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) the same Business Day of on the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.5 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 100,000 and not less than $5,000,000 2,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 100,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower Borrowers may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 [Interest Periods]4.2, by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., Pittsburgh time, (i) three two (32) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Revolving Credit Loans; and (ii) the same one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Revolving Credit Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.5 or a request by telephone immediately confirmed in writing by letter, facsimile in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Revolving Credit Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Revolving Credit Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Revolving Credit Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 250,000 and not less than $5,000,000 1,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 250,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or Base Rate Option shall apply to the proposed Revolving Credit Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the proposed Revolving Credit Loans comprising such Borrowing Tranche.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 10:00 a.m., (i) three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Rate Option applies or the date of conversion to or the renewal of the LIBOR Rate Option for any Loans; and (ii) on the same Business Day of the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “Revolving Credit Loan Request”); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; Date and (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, and, if applicable, the Interest Period, which amount amounts shall be in integral multiples of One Million and 00/100 Dollars (x$1,000,000.00) an integral multiple of $1,000,000 and not less than Five Million and 00/100 Dollars ($5,000,000 5,000,000.00) for each Borrowing Tranche under the LIBOR Rate Option and shall be in integral multiples of Five Hundred Thousand and 00/100 Dollars (y$500,000.00) an integral multiple of $50,000 and not less than the lesser of One Million and 00/100 Dollars ($500,000 1,000,000.00) or the maximum amount available for each Borrowing Tranches to which Tranche under the Base Rate Option applies; (iii) whether the LIBOR Rate Option or Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing TrancheOption.

Revolving Credit Loan Requests. Except as otherwise provided herein, subject to the notice requirements set forth in this Section 2.5.1 and the other terms and conditions hereof, the Borrower may from time to time prior to the Expiration Date request the Lenders Banks to make Revolving Credit Loans, or renew or convert the Interest Rate Option applicable to existing Revolving Credit Loans pursuant to Section 4.2 3.2 [Interest Periods], by delivering to the Administrative Agent, not later than 11:00 a.m., (i) 12:00 Noon, Pittsburgh time, three (3) Business Days prior to the proposed Borrowing Date with respect to the making of Revolving Credit Loans to which the LIBOR Euro-Rate Option applies or the conversion to or the renewal of the LIBOR Euro-Rate Option for any Loans; and (ii) the same 2:00 p.m., Pittsburgh time one (1) Business Day of prior to either the proposed Borrowing Date with respect to the making of a Revolving Credit Loan to which the Base Rate Option applies or the last day of the preceding Interest Period with respect to the conversion to the Base Rate Option for any Loan, of a duly completed request therefor substantially in the form of Exhibit 2.5.1 2.4.1 or a request by telephone immediately confirmed in writing by letter, facsimile or telex in such form and delivered by facsimile or email (in “pdf,” “tif” or similar format) (each, a “"Revolving Credit Loan Request”"); , it being understood that the Administrative Agent may rely on the authority of any individual making such a telephonic request without the necessity of receipt of such written confirmation. Each Revolving Credit Loan Request shall be irrevocable and shall specify or certify, as applicable (i) the proposed Borrowing Date; (ii) the aggregate amount of the proposed Loans comprising each Borrowing Tranche, which amount shall be in (x) an integral multiple multiples of $1,000,000 and not less than $5,000,000 for each Borrowing Tranche under to which the LIBOR Euro-Rate Option and (y) an integral multiple of $50,000 applies and not less than the lesser of $500,000 1,000,000 or the maximum amount available for Borrowing Tranches to which the Base Rate Option applies; (iii) whether the LIBOR Euro-Rate Option or the Base Rate Option shall apply to the proposed Loans comprising the applicable Borrowing Tranche; and (iv) in the case of a Borrowing Tranche to which the LIBOR Euro-Rate Option applies, an appropriate Interest Period for the Loans comprising such Borrowing Tranche.