Huntington Ingalls Industries

Huntington Ingalls Industries – Huntington Ingalls Industries, Inc. Amended and Restated Directors Compensation Policy (December 19th, 2018)

Huntington Ingalls Industries – Huntington Ingalls Industries, Inc. Director Compensation Policy Amended and Restated Board Deferred Compensation Policy (December 19th, 2018)

Huntington Ingalls Industries – HUNTINGTON INGALLS INDUSTRIES, INC. ANNUAL INCENTIVE PLAN as Amended and Restated December 13, 2018 SECTION I PURPOSE (December 19th, 2018)

Huntington Ingalls Industries – Second Amendment to Appendix G to the Huntington Ingalls Industries Supplemental Plan 2officers Supplemental Executive Retirement Program (Oserp) (December 19th, 2018)

Huntington Ingalls Industries – Time and Form of Payment. The Severance Benefits Under Section 4(a) Will Be Paid to the Eligible Officer in a Lump Sum as Soon as Practicable Following the Officers Separation From Service, but in No Event Beyond Thirty (30) Days From Such Date, Provided the Officer Signs the Release Within Twenty-One (21) Days Following the Officers Separation From Service, Provided Further, That if the Officers Separation From Service Date Occurs Within Twenty One (21) Days Before the End of a Calendar Year, Then, to the Extent the Lump-Sum Payment Is or Becomes Subject to Code Section 409A, the Lump-Sum Pay (December 19th, 2018)

Huntington Ingalls Industries – Huntington Ingalls Industries, Inc. (February 15th, 2018)

Elections by Directors. A Director who has met his or her Ownership Guideline under the Directors' Compensation Policy may elect (the "Election") by the date that the Administrator prescribes (the "Election Deadline") to receive one hundred percent (100%) of his or her Annual Equity Award for the following calendar year in the form of either (a) shares of Common Stock or (b) Stock Units payable in five years ("Five-Year Stock Units"). The first election opportunity shall be in 2014 with respect to the Annual Equity Award for the 2015 calendar year. A Director who does not make an election will receive his or her Annual Equity Award in Stock Units payable at separation from service from the Company.

Huntington Ingalls Industries – Huntington Ingalls Industries, Inc. Amended and Restated Directors' Compensation Policy (February 15th, 2018)

employed by the Company or one of its subsidiaries (''non-employee directors") are entitled to the compensation set forth below for their service as a member of the Board of Directors (the "Board") of the Company. The Board has

Huntington Ingalls Industries – Huntington Ingalls Industries, Inc. As Issuer the Guarantors Party Hereto and Wells Fargo Bank, National Association as Trustee Indenture Dated as of December 1, 2017 3.483% Senior Notes Due 2027 (December 4th, 2017)

INDENTURE, dated as of December 1, 2017, between Huntington Ingalls Industries, Inc., a Delaware corporation, as the Company, the Guarantors party hereto and Wells Fargo Bank, National Association, as Trustee.

Huntington Ingalls Industries – HUNTINGTON INGALLS INDUSTRIES, INC. 3.483% Senior Notes Due 2027 REGISTRATION RIGHTS AGREEMENT (December 4th, 2017)

Huntington Ingalls Industries – CREDIT AGREEMENT Dated as of November 22, 2017 Among HUNTINGTON INGALLS INDUSTRIES, INC., the Lenders Party Hereto, JPMORGAN CHASE BANK, N.A., as Administrative Agent and Issuing Bank, and BANK OF AMERICA, N.A., MIZUHO BANK, LTD., THE BANK OF TOKYO-MITSUBISHI UFJ, LTD., THE BANK OF NOVA SCOTIA, US BANK NATIONAL ASSOCIATION and WELLS FARGO BANK, NATIONAL ASSOCIATION, as Issuing Banks JPMORGAN CHASE BANK, N.A., MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED, MIZUHO BANK, LTD., THE BANK OF NOVA SCOTIA THE BANK OF TOKYO- MITSUBISHI UFJ, LTD., US BANK NATIONAL ASSOCIATION, and WELLS FARGO SECURI (November 27th, 2017)

This CREDIT AGREEMENT (this Agreement) is dated as of November 22, 2017, among HUNTINGTON INGALLS INDUSTRIES, INC., the LENDERS party hereto, and JPMORGAN CHASE BANK, N.A., as Administrative Agent and an Issuing Bank, and Bank of America, N.A., Mizuho Bank, Ltd., The Bank of Tokyo-Mitsubishi UFJ, Ltd, The Bank of Nova Scotia, US Bank National Association and Wells Fargo Bank, National Association, each as an Issuing Bank.

Huntington Ingalls Industries – FIRST SUPPLEMENTAL INDENTURE Dated as of February 17, 2017 Among Huntington Ingalls Industries, Inc., the Guarantors Party Hereto and the Bank of New York Mellon, as Trustee 5.000% Senior Notes Due 2021 (November 8th, 2017)

THIS FIRST SUPPLEMENTAL INDENTURE (this "Supplemental Indenture"), entered into as of February 17, 2017, among Huntington Ingalls Industries, Inc., a Delaware corporation (the "Company"), HII Technical Solutions Corporation, a Delaware corporation, Camber Holding Corporation, a Delaware corporation, Camber Corporation, a Delaware corporation, Camber Technical Services, L.L.C., an Alabama limited liability company, Veritas Analytics, Inc., a Virginia corporation, Camber Government Solutions Inc., a Delaware corporation, and Integrated Information Technology Corporation, an Illinois corporation (collectively, the "Undersigned"), and The Bank of New York Mellon, as trustee (the "Trustee").

Huntington Ingalls Industries – FIRST SUPPLEMENTAL INDENTURE Dated as of February 17, 2017 Among Huntington Ingalls Industries, Inc., the Guarantors Party Hereto and the Bank of New York Mellon, as Trustee 5.000% Senior Notes Due 2025 (November 8th, 2017)

THIS FIRST SUPPLEMENTAL INDENTURE (this "Supplemental Indenture"), entered into as of February 17, 2017, among Huntington Ingalls Industries, Inc., a Delaware corporation (the "Company"), HII Technical Solutions Corporation, a Delaware corporation, Camber Holding Corporation, a Delaware corporation, Camber Corporation, a Delaware corporation, Camber Technical Services, L.L.C., an Alabama limited liability company, Veritas Analytics, Inc., a Virginia corporation, Camber Government Solutions Inc., a Delaware corporation, and Integrated Information Technology Corporation, an Illinois corporation (collectively, the "Undersigned"), and The Bank of New York Mellon, as trustee (the "Trustee").

Huntington Ingalls Industries – Huntington Ingalls Industries, Inc. Amendment to Terms and Conditions Applicable to 2015, 2016 and 2017 Restricted Performance Stock Rights (May 4th, 2017)

This Amendment applies to the Restricted Performance Stock Rights (RPSRs) awarded to Matthew Mulherin (the Grantee) in 2015, 2016 and 2017 (the Awards). This Amendment revises the Awards to provide full vesting of the RPSRs upon the Grantees Retirement.

Huntington Ingalls Industries – Huntington Ingalls Industries, Inc. (February 16th, 2017)

Elections by Directors. A Director who has met his or her Ownership Guideline under the Directors' Compensation Policy may elect (the "Election") by the date that the Administrator prescribes (the "Election Deadline") to receive one hundred percent (100%) of his or her Annual Equity Award for the following calendar year in the form of either (a) shares of Common Stock or (b) Stock Units payable in five years ("Five-Year Stock Units"). The first election opportunity shall be in 2014 with respect to the Annual Equity Award for the 2015 calendar year. A Director who does not make an election will receive his or her Annual Equity Award in Stock Units payable at separation from service from the Company.

Huntington Ingalls Industries – Huntington Ingalls Industries, Inc. Amended and Restated Directors' Compensation Policy (February 16th, 2017)

employed by the Company or one of its subsidiaries (''non-employee directors") are entitled to the compensation set forth below for their service as a member of the Board of Directors (the "Board") of the Company. The Board has

Huntington Ingalls Industries – PHOTO RELEASEKirkland H. Donald Joins Huntington Ingalls Industries Board of Directors (December 14th, 2016)

NEWPORT NEWS, Va. (Dec. 14, 2016)Huntington Ingalls Industries (NYSE:HII) announced today that Adm. Kirkland H. Donald, U.S. Navy (Ret.), has been elected to its Board of Directors, effective Jan. 1, 2017.

Huntington Ingalls Industries – RESTATED BYLAWS OF HUNTINGTON INGALLS INDUSTRIES, INC. (A Delaware Corporation) ARTICLE I OFFICES (February 1st, 2016)

Huntington Ingalls Industries – Eleventh Supplemental Indenture (November 17th, 2015)

ELEVENTH SUPPLEMENTAL INDENTURE (this Supplemental Indenture), dated as of November 17, 2015, between Huntington Ingalls Industries, Inc., a corporation organized under the laws of Delaware (the Company) and The Bank of New York Mellon, as trustee under the Indenture referred to below (the Trustee).

Huntington Ingalls Industries – Huntington Ingalls Industries, Inc. As Issuer the Guarantors Party Hereto and the Bank of New York Mellon as Trustee Indenture Dated as of November 17, 2015 5.000% Senior Notes Due 2025 (November 17th, 2015)

INDENTURE, dated as of November 17, 2015, between Huntington Ingalls Industries, Inc., a Delaware corporation, as the Company, the Guarantors party hereto and The Bank of New York Mellon, as Trustee.

Huntington Ingalls Industries – NEWS RELEASE Contact: Beci Brenton Beci.Brenton@hii-co.com (October 30th, 2015)

NEWPORT NEWS, Va. (Oct. 28, 2015)Huntington Ingalls Industries (NYSE: HII) announced today that Stephen R. Wilson has been elected to its Board of Directors.

Huntington Ingalls Industries – SECOND AMENDED AND RESTATED CREDIT AGREEMENT Dated as of July 13, 2015 Among HUNTINGTON INGALLS INDUSTRIES, INC., the Lenders Party Hereto, JPMORGAN CHASE BANK, N.A., as Administrative Agent and Issuing Bank, and BANK OF AMERICA, N.A., WELLS FARGO BANK, NATIONAL ASSOCIATION, US BANK NATIONAL ASSOCIATION, THE BANK OF NOVA SCOTIA and MIZUHO BANK, LTD., as Issuing Banks J.P. MORGAN SECURITIES LLC, MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED, WELLS FARGO SECURITIES, LLC, US BANK NATIONAL ASSOCIATION, THE BANK OF NOVA SCOTIA and MIZUHO BANK, LTD., as Lead Arrangers and Joint Bookrunners MERR (July 15th, 2015)

SECOND AMENDED AND RESTATED CREDIT AGREEMENT dated as of July 13, 2015 (originally dated as of March 11, 2011 and amended as of March 23, 2011 and as of February 16, 2012, and amended and restated as of November 6, 2013) among HUNTINGTON INGALLS INDUSTRIES, INC., the LENDERS party hereto, and JPMORGAN CHASE BANK, N.A., as Administrative Agent and an Issuing Bank, and Bank of America, N.A., Wells Fargo Bank, National Association, US Bank National Association, The Bank of Nova Scotia and Mizuho Bank, Ltd., each as an Issuing Bank.

Huntington Ingalls Industries – RESTATED BYLAWS OF HUNTINGTON INGALLS INDUSTRIES, INC. (A Delaware Corporation) ARTICLE I OFFICES (March 2nd, 2015)

Huntington Ingalls Industries – __________ SUPPLEMENTAL INDENTURE Dated as of _________, 20__ Among Huntington Ingalls Industries, Inc., the Guarantor Party Hereto and the Bank of New York Mellon, as Trustee 6.875% Senior Notes Due 2018 7.125% Notes Due 2021 (February 19th, 2015)

THIS _________ SUPPLEMENTAL INDENTURE (this "Supplemental Indenture"), entered into as of _________, 20__, among Huntington Ingalls Industries, Inc., a Delaware corporation (the "Company"), [___________], a [_______] corporation (the "Undersigned"), and The Bank of New York Mellon, as trustee (the "Trustee").

Huntington Ingalls Industries – Huntington Ingalls Industries, Inc. As Issuer the Guarantors Party Hereto and the Bank of New York Mellon as Trustee Indenture Dated as of December 2, 2014 5.000% Senior Notes Due 2021 (February 19th, 2015)

INDENTURE, dated as of December 2, 2014, between Huntington Ingalls Industries, Inc., a Delaware corporation, as the Company, the Guarantors party hereto and The Bank of New York Mellon, as Trustee.

Huntington Ingalls Industries – Huntington Ingalls Industries, Inc. Amended and Restated Indemnification Agreement (February 19th, 2015)

This Amended and Restated Indemnification Agreement, dated as of the ____ day of _____________, 20___ (this "Agreement"), between Huntington Ingalls Industries, Inc., a Delaware corporation (the "Corporation"), and ___________________________ ("Indemnitee").

Huntington Ingalls Industries – Tenth SUPPLEMENTAL INDENTURE (February 19th, 2015)

TENTH SUPPLEMENTAL INDENTURE (this "Supplemental Indenture"), dated as of December 2, 2014, between Huntington Ingalls Industries, Inc., a corporation organized under the laws of Delaware (the "Company") and The Bank of New York Mellon, as trustee under the Indenture referred to below (the "Trustee").

Huntington Ingalls Industries – NEWS RELEASE Contact: Beci Brenton Beci.brenton@hii-co.com 202-264-7143 (December 18th, 2014)

NEWPORT NEWS, Va. (Dec. 17, 2014) Huntington Ingalls Industries (NYSE:HII) announced today that its Board of Directors has elected Kellye Walker to serve as corporate vice president and general counsel and Charles R. Chuck Monroe Jr. to serve as corporate vice president, associate general counsel and secretary. These organizational changes are effective Jan. 12, 2015.

Huntington Ingalls Industries – Amendment to Terms and Conditions Applicable to 2012, 2013 and 2014 Restricted Performance Stock Rights (December 17th, 2013)

This Amendment applies to the Restricted Performance Stock Rights ("RPSRs") awarded or that may be awarded to [NAME] (the "Grantee") in 2012, 2013 and 2014 (the "Awards"). This Amendment revises the Awards to provide full vesting of the RPSRs upon the Grantee's Retirement.

Huntington Ingalls Industries – Amendment to Terms and Conditions Applicable to 2012, 2013 and 2014 Restricted Performance Stock Rights (December 17th, 2013)

This Amendment applies to the Restricted Performance Stock Rights ("RPSRs") awarded or that may be awarded to [NAME] (the "Grantee") in 2012, 2013 and 2014 (the "Awards"). This Amendment revises the Awards to provide full vesting of the RPSRs upon the Grantee's Retirement.

Huntington Ingalls Industries – AMENDED AND RESTATED CREDIT AGREEMENT Dated as of November 6, 2013 Among HUNTINGTON INGALLS INDUSTRIES, INC., the Lenders Party Hereto, JPMORGAN CHASE BANK, N.A., as Administrative Agent, Issuing Bank and Swingline Lender, and WELLS FARGO BANK, N.A., as Swingline Lender J.P. MORGAN SECURITIES LLC, WELLS FARGO SECURITIES, LLC, RBS SECURITIES INC. And SUNTRUST ROBINSON HUMPHREY, INC., as Lead Arrangers and Joint Bookrunners WELLS FARGO SECURITIES, LLC, THE ROYAL BANK OF SCOTLAND PLC and SUNTRUST ROBINSON HUMPHREY, INC., as Syndication Agent SUMITOMO MITSUI BANKING CORPORATION, U.S. BANK NATIONAL (November 12th, 2013)

AMENDED AND RESTATED CREDIT AGREEMENT dated as of November 6, 2013 (originally dated as of March 11, 2011 and amended as of March 23, 2011 and as of February 16, 2012 respectively) among HUNTINGTON INGALLS INDUSTRIES, INC., the LENDERS party hereto, and JPMORGAN CHASE BANK, N.A., as Administrative Agent, an Issuing Bank and a Swingline Lender, and WELLS FARGO BANK, N.A., as a Swingline Lender.

Huntington Ingalls Industries – Non-Employee Director Stock Units Granted Under the 2012 Long-Term Incentive Stock Plan (February 27th, 2013)

These Terms and Conditions ("Terms") apply to stock units ("Stock Units") granted by Huntington Ingalls Industries, Inc. (the "Company") to its directors who are not employed by the Company or one of its subsidiaries. The date of grant of the Stock Units (the "Grant Date") and the number of Stock Units applicable to your award are set forth in the electronic stock plan award recordkeeping system ("Stock Plan System") maintained by the Company or its designee. These Terms apply only with respect to the stock units referred to above that are granted pursuant to the Company's compensation program for its directors. If you were granted such stock units, you are referred to as the "Director" with respect to your award. Capitalized terms are generally defined in Section 8 below if not otherwise defined herein.

Huntington Ingalls Industries – Terms and Conditions Applicable to [__] Restricted Performance Stock Rights Granted Under the [__] Long-Term Incentive Stock Plan (February 27th, 2013)

These Terms and Conditions ("Terms") apply to certain "Restricted Performance Stock Rights" ("RPSRs") granted by Huntington Ingalls Industries, Inc. (the "Company") in [__]. If you were granted an RPSR award by the Company in [__], the date of grant of your RPSR award and the target number of RPSRs applicable to your award are set forth in the letter from the Company announcing your RPSR award grant (your "Grant Letter") and are also reflected in the electronic stock plan award recordkeeping system ("Stock Plan System") maintained by the Company or its designee. These Terms apply only with respect to your [__] RPSR award. If you were granted an RPSR award, you are referred to as the "Grantee" with respect to your award. Capitalized terms are generally defined in Section 10 below if not otherwise defined herein.

Huntington Ingalls Industries – [___] Restricted Stock Rights Granted Under the [___] Long-Term Incentive Stock Plan (February 27th, 2013)

These Terms and Conditions ("Terms") apply to certain "Restricted Stock Rights" ("RSRs") granted by Huntington Ingalls Industries, Inc. (the "Company") in [__]. If you were granted an RSR award by the Company in [__], the date of grant of your RSR award (the "Grant Date") and the number of RSRs applicable to your award are set forth in the letter from the Company announcing your RSR award grant (your "Grant Letter") and are also reflected in the electronic stock plan award recordkeeping system ("Stock Plan System") maintained by the Company or its designee. These Terms apply only with respect to the [__] RSR award. If you were granted an RSR award, you are referred to as the "Grantee" with respect to your award. Capitalized terms are generally defined in Section 10 below if not otherwise defined herein.

Huntington Ingalls Industries – Terms and Conditions Applicable to [__] Stock Options Granted Under the [__] Long-Term Incentive Stock Plan (February 27th, 2013)

These Terms and Conditions ("Terms") apply to certain stock options granted by Huntington Ingalls Industries, Inc. (the "Company") in [__]. If you were granted a stock option by the Company in [__], the date of grant (the "Grant Date") of your stock option (your "Option"), the total number of shares of common stock of the Company subject to your Option, and the per share exercise price of your Option are set forth in the letter from the Company announcing your Option grant (your "Grant Letter") and are also reflected in the electronic stock plan award recordkeeping system ("Stock Plan System") maintained by the Company or its designee. These Terms apply only with respect to your [__] Option. If you were granted an Option, you are referred to as the "Grantee" with respect to your Option. Capitalized terms are generally defined in Section 10 below if not otherwise defined herein.

Huntington Ingalls Industries – The Following Directors and Officers Have Executed Indemnification Agreements, a Form of Which Follows, With Huntington Ingalls Industries, Inc. As of the Dates Indicated Below: (November 8th, 2012)

This Agreement, dated as of the ____ day of __________, ____, between Huntington Ingalls Industries, Inc., a Delaware corporation (the "Corporation"), and ___________________________ ("Indemnitee").