ALION SCIENCE & TECHNOLOGY CORP Contracts & Agreements

[Remainder of this page intentionally left blank] 2 (Filed With SEC on July 2, 2015)

Fifth Amendment to Alion Science and Technology Corporation Employee Ownership, Savings and Investment Plan (As Amended and Restated Effective October 1, 2011) (Filed With SEC on October 6, 2014)

SECOND AMENDMENT TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT (Filed With SEC on August 19, 2014)

FIRST AMENDMENT TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT (Filed With SEC on August 4, 2014)

AMENDMENT NO. 1 TO DEALER MANAGER AGREEMENT (Filed With SEC on July 29, 2014)

SECOND SUPPLEMENTAL INDENTURE (Filed With SEC on May 30, 2014)

Third Amendment to Alion Science and Technology Corporation Employee Ownership, Savings and Investment Plan (As Amended and Restated Effective October 1, 2011) (Filed With SEC on May 15, 2014)

INTERCREDITOR AGREEMENT dated as of [ ], 2014 among ALION SCIENCE AND TECHNOLOGY CORPORATION, as Borrower the other Grantors from time to time party hereto, WELLS FARGO BANK,... (Filed With SEC on May 6, 2014)

AMENDED AND RESTATED REFINANCING SUPPORT AGREEMENT by and among ALION SCIENCE AND TECHNOLOGY CORPORATION ASOF II INVESTMENTS, LLC AND PHOENIX INVESTMENT ADVISER LLC (Filed With SEC on May 2, 2014)

Fourth Amendment to Alion Science and Technology Corporation Employee Ownership, Savings and Investment Plan (As Amended and Restated Effective October 1, 2011) (Filed With SEC on April 4, 2014)

[FORM OF FACE OF WARRANT CERTIFICATE] [To be included on Global Certificates] (Filed With SEC on March 26, 2014)

WARRANT AGREEMENT Dated as of [], 2014 between ALION SCIENCE AND TECHNOLOGY CORPORATION and WILMINGTON TRUST, NATIONAL ASSOCIATION, as Warrant Agent Warrants for Common Stock of... (Filed With SEC on March 26, 2014)

SECOND SUPPLEMENTAL INDENTURE (Filed With SEC on March 26, 2014)

ALION SCIENCE AND TECHNOLOGY CORPORATION STOCKHOLDERS AGREEMENT Dated as of [], 2014 (Filed With SEC on March 26, 2014)

AMENDMENT TO THEREFINANCING SUPPORT AGREEMENT (Filed With SEC on February 18, 2014)

REFINANCING SUPPORT AGREEMENT by and among ALION SCIENCE AND TECHNOLOGY CORPORATION ASOF II INVESTMENTS, LLC AND PHOENIX INVESTMENT ADVISER LLC (Filed With SEC on December 24, 2013)

First Amendment to Alion Science and Technology Corporation Employee Ownership, Savings and Investment Plan (As Amended and Restated Effective October 1, 2011) (Filed With SEC on December 23, 2013)

Second Amendment to Alion Science and Technology Corporation Employee Ownership, Savings and Investment Plan (As Amended and Restated Effective October 1, 2011) (Filed With SEC on October 2, 2013)

Employment Agreement (Filed With SEC on September 11, 2013)

ALION SCIENCE AND TECHNOLOGY CORPORATION AMENDED AND RESTATEDLONG-TERM INCENTIVE PLAN (Amended and Restated as of June 25, 2013 (Filed With SEC on August 8, 2013)

ALION SCIENCE AND TECHNOLOGY CORPORATION 2004 STOCK APPRECIATIONRIGHTS PLAN (Amended and Restated as of June 25, 2013) ARTICLE I GENERAL (Filed With SEC on August 8, 2013)

ALION SCIENCE AND TECHNOLOGY CORPORATION PERFORMANCE SHARES ANDRETENTION PHANTOM STOCK PLAN (Amended and Restated as of June 25, 2013) (Filed With SEC on August 8, 2013)

ALION SCIENCE AND TECHNOLOGY CORPORATION PHANTOM STOCK PLAN (Amended and Restated as of June 25, 2013) (Filed With SEC on August 8, 2013)

Employment Agreement (Filed With SEC on August 8, 2013)

ALION SCIENCE AND TECHNOLOGY CORPORATION EMPLOYEE OWNERSHIP, SAVINGS ANDINVESTMENT PLAN Amended and Restated as of October 1, 2011 ALION SCIENCE AND TECHNOLOGY CORPORATION... (Filed With SEC on May 14, 2013)

Alion Ethics Hotline ###-###-#### 24 hours a day, 7 days a week From outside the U.S., call collect ###-###-#### Report Online: www.tnwinc.com/alion (Filed With SEC on November 14, 2012)

Employment Agreement (Filed With SEC on June 6, 2012)

CHANGE IN CONTROL SEVERANCE AGREEMENT (Filed With SEC on May 11, 2012)

EX-101 INSTANCE DOCUMENT (Filed With SEC on December 20, 2011)

Consolidated Period EBITDA June 30, 2010 through March 31, 2011 $ 52,500,000 April 1, 2011 through June 30, 2011 $ 55,000,000 July 1, 2011 through September 30, 2011 $ 55,500,000... (Filed With SEC on August 8, 2011)

AMENDED AND RESTATED CREDIT AGREEMENT dated as of March 11, 2011 among ALION SCIENCE AND TECHNOLOGY CORPORATION, THE LENDERS PARTY HERETO and CREDIT SUISSE AG, CAYMAN ISLANDS... (Filed With SEC on March 16, 2011)

any future inability to maintain adequate control over financial reporting (Filed With SEC on June 18, 2010)

(In thousands, except share (Filed With SEC on May 14, 2010)

ALION SCIENCE AND TECHNOLOGY CORPORATION Issuer 12% Senior Secured Notes due 2014 (Filed With SEC on March 25, 2010)

ALION SCIENCE AND TECHNOLOGY CORPORATION (Filed With SEC on March 25, 2010)

WARRANT AGREEMENT (Filed With SEC on March 25, 2010)

CREDIT AGREEMENT (Filed With SEC on March 25, 2010)

TABLE OF CONTENTS Page ARTICLE I Definitions SECTION 1.01. Definitions Generally 1 SECTION 1.02. Other Defined Terms 1 SECTION 1.03. Impairment 7 ARTICLE II Priorities and... (Filed With SEC on March 25, 2010)

SECURITY AGREEMENT dated as of March 22, 2010, among ALION SCIENCE AND TECHNOLOGY CORPORATION, the Subsidiaries of ALION SCIENCE AND TECHNOLOGY CORPORATION identified herein and... (Filed With SEC on March 25, 2010)

GUARANTEE AGREEMENT (Filed With SEC on March 25, 2010)

ALION SCIENCE AND TECHNOLOGY CORPORATION (Filed With SEC on March 25, 2010)

AMENDMENT TO STOCK PURCHASE AGREEMENT (Filed With SEC on March 25, 2010)

FIRST SUPPLEMENTAL INDENTURE (Filed With SEC on March 3, 2010)

SEPARATION AGREEMENT AND GENERAL RELEASE (Filed With SEC on February 4, 2010)

NOTE AND WARRANT REDEMPTION AGREEMENT, FOURTH AMENDMENT TO SELLER NOTE SECURITIES PURCHASEAGREEMENT, FIRST AMENDMENT TO THE SECOND AMENDED AND RESTATED SELLER NOTE AND RIGHTS... (Filed With SEC on December 24, 2009)

[Remainder of this page intentionally left blank] (Filed With SEC on December 16, 2009)

Period RatioJuly 1, 2009 through March 31, 2010 1.10 to 1.00 April 1, 2010 through June 30, 2010 1.15 to 1.00 July 1, 2010 through December 31, 2010 1.25 to 1.00 Thereafter 1.35... (Filed With SEC on October 13, 2009)

Second Amendment to Alion Science and Technology Corporation Employee Ownership, Savings and Investment Plan (Filed With SEC on December 23, 2008)

SEPARATION AGREEMENT AND GENERAL RELEASE (Filed With SEC on December 23, 2008)

SETTLEMENT AGREEMENT AND GENERAL RELEASE (Filed With SEC on December 23, 2008)

ALION SCIENCE AND TECHNOLOGY CORPORATION LONG-TERM INCENTIVE PLAN (Filed With SEC on December 23, 2008)

EXECUTIVE BONUS AGREEMENT (Filed With SEC on December 23, 2008)

Alion Science and Technology Corporation Long-Term Incentive Plan Award Agreement (Filed With SEC on December 23, 2008)

Period RatioJuly 1, 2008 through September 30, 2008 October 1, 2008 through December 31, 2008 January 1, 2009 through June 30, 2009 July 1, 2009 through September 30, 2009... (Filed With SEC on October 6, 2008)

THIRD AMENDMENT TO THE SELLER NOTE SECURITIES PURCHASE AGREEMENT AND FIRST AMENDMENT TO RIGHTS AGREEMENT (Filed With SEC on September 4, 2008)

$39,900,000 Original Principal Amount December 20, 2002 and as amended and restated August 29, 2008 $51,703,538.40* Capitalized Principal Amount effective as of December 21, 2008 (Filed With SEC on September 4, 2008)

AMENDED AND RESTATED SELLER WARRANT AGREEMENT (Filed With SEC on September 4, 2008)

WARRANT AGREEMENT (Filed With SEC on September 4, 2008)

SEPARATION AGREEMENT AND GENERAL RELEASE (Filed With SEC on August 13, 2008)

Employment Agreement (Filed With SEC on April 8, 2008)

Employment Agreement (Filed With SEC on December 28, 2007)

Repayment Date AmountSeptember 30, 2007 $ 618,400 December 31, 2007 $ 618,400 March 31, 2008 $ 618,400 June 30, 2008 $ 618,400 September 30, 2008 $ 618,400 December 31, 2008 $... (Filed With SEC on July 20, 2007)

Employment Agreement (Filed With SEC on July 20, 2007)

First Amendment to (Filed With SEC on July 13, 2007)

Employment Agreement (Filed With SEC on June 21, 2007)

additional costs associated with compliance provisions of the Sarbanes-Oxley Act of 2002, including any changes in the SECs rules, and other corporate governance requirements (Filed With SEC on April 30, 2007)

ALION SCIENCE AND TECHNOLOGY CORPORATION Issuer (Filed With SEC on February 8, 2007)

$250,000,000 ALION SCIENCE AND TECHNOLOGY CORPORATION 10.25% Senior Notes due 2015 PURCHASE AGREEMENT (Filed With SEC on February 8, 2007)

Repayment Date Amount March 31, 2007 $ 683,400 June 30, 2007 $ 683,400 September 30, 2007 $ 683,400 December 31, 2007 $ 683,400 March 31, 2008 $ 683,400 June 30, 2008 $ 683,400... (Filed With SEC on February 8, 2007)

$250,000,000 ALION SCIENCE AND TECHNOLOGY CORPORATION 101/4% Senior Notes due 2015 REGISTRATION RIGHTS AGREEMENT (Filed With SEC on February 8, 2007)

Repayment Date AmountDecember 31, 2004 $ 180,000 March 31, 2005 $ 180,000 June 30, 2005 $ 360,000 September 30, 2005 $ 360,000 December 31, 2005 $ 360,000 March 31, 2006 $ 360,000... (Filed With SEC on January 10, 2007)

Months after Closing Date Percentage of Par0-8 0%9-12 1.00%13 to Initial Maturity Date 2.00%After Initial Maturity Date to 30 1.00%31-42 2.00%Thereafter 3.00% (Filed With SEC on December 14, 2006)

Fourteenth Amendment to Alion Science and Technology Corporation Employee Ownership, Savings and Investment Plan (Filed With SEC on December 1, 2006)

Financial Statements (Filed With SEC on August 14, 2006)

Repayment Date AmountDecember 31, 2004 $ 180,000 March 31, 2005 $ 180,000 June 30, 2005 $ 360,000 September 30, 2005 $ 360,000 December 31, 2005 $ 360,000 March 31, 2006 $ 360,000... (Filed With SEC on July 7, 2006)

FIRST AMENDMENT TO THE SELLER NOTE SECURITIES PURCHASE AGREEMENT (Filed With SEC on July 7, 2006)

BRIDGE LOAN AGREEMENT (Filed With SEC on July 7, 2006)

FOURTH AMENDMENT TO THE SELLER WARRANT AGREEMENT (Filed With SEC on March 31, 2006)

MEZZANINE WARRANT REDEMPTION AGREEMENT (Filed With SEC on March 31, 2006)

ALION MEZZANINE WARRANT REDEMPTION AGREEMENT (Filed With SEC on March 31, 2006)

Repayment Date Amount December 31, 2004 $ 180,000 March 31, 2005 $ 180,000 June 30, 2005 $ 360,000 September 30, 2005 $ 360,000 December 31, 2005 $ 360,000 March 31, 2006 $... (Filed With SEC on March 29, 2006)

CREDIT SUISSE SECURITIES (USA) LLC Eleven Madison Avenue New York, NY 10010 CREDIT SUISSE Eleven Madison Avenue New York, NY 10010 (Filed With SEC on February 23, 2006)

Tenth Amendment to Alion Science and Technology Corporation Employee Ownership, Savings and Investment Plan (Filed With SEC on January 31, 2006)

Eleventh Amendment to Alion Science and Technology Corporation Employee Ownership, Savings and Investment Plan (Filed With SEC on January 31, 2006)

ALION SCIENCE AND TECHNOLOGY CORPORATION BOARD OF DIRECTORS PHANTOM STOCK PLAN (Filed With SEC on December 2, 2005)

ALION SCIENCE AND TECHNOLOGY CORPORATION PHANTOM STOCK PLAN (Filed With SEC on December 2, 2005)

ALION SCIENCE AND TECHNOLOGY CORPORATION PERFORMANCE SHARES AND RETENTION PHANTOM STOCK PLAN (Filed With SEC on December 2, 2005)

ALION SCIENCE AND TECHNOLOGY CORPORATION 2002 STOCK APPRECIATION RIGHTS PLAN ARTICLE I General (Filed With SEC on December 2, 2005)

ALION SCIENCE AND TECHNOLOGY CORPORATION 2004 STOCK APPRECIATION RIGHTS PLAN ARTICLE I GENERAL (Filed With SEC on December 2, 2005)

ALION EXECUTIVE DEFERRED COMPENSATION PLAN AS AMENDED AND RESTATED EFFECTIVE AS OF JANUARY 1, 2005 ARTICLE I PURPOSE (Filed With SEC on December 2, 2005)

ALION DIRECTOR DEFERRED COMPENSATION PLAN AS AMENDED AND RESTATED EFFECTIVE AS OF JANUARY 1, 2005 -1- (Filed With SEC on December 2, 2005)

EMPLOYMENT AGREEMENT (Filed With SEC on April 7, 2005)

Repayment Date AmountJune 30, 2005 $ 360,000 September 30, 2005 $ 360,000 December 31, 2005 $ 360,000 March 31, 2006 $ 360,000 June 30, 2006 $ 360,000 September 30, 2006 $ 360,000... (Filed With SEC on April 6, 2005)

STOCK PURCHASE AGREEMENT by and among ALION SCIENCE AND TECHNOLOGY CORPORATION, a Delaware Corporation, JOHN J. McMULLEN ASSOCIATES, INC., a New York Corporation, MARSHALL &... (Filed With SEC on April 6, 2005)

STOCK PURCHASE AGREEMENT by and among ALION SCIENCE AND TECHNOLOGY CORPORATION, a Delaware Corporation, JOHN J. McMULLEN ASSOCIATES, INC., a New York Corporation, MARSHALL &... (Filed With SEC on April 4, 2005)

THIRD AMENDMENT TO THE SELLER WARRANT AGREEMENT (Filed With SEC on March 14, 2005)

THIRD AMENDMENT TO THE MEZZANINE WARRANT AGREEMENT (Filed With SEC on March 14, 2005)

THIRD AMENDMENT TO THE ALION MEZZANINE WARRANT AGREEMENT (Filed With SEC on March 14, 2005)

CREDIT SUISSE FIRST BOSTON Eleven Madison Avenue New York, NY 10010 (Filed With SEC on March 9, 2005)

NINTH AMENDMENT TO ALION SCIENCE AND TECHNOLOGY CORPORATION EMPLOYEE OWNERSHIP, SAVINGS AND INVESTMENT PLAN (Filed With SEC on December 28, 2004)

CREDIT AGREEMENT dated as of August 2, 2004, among ALION SCIENCE AND TECHNOLOGY CORPORATION, THE LENDERS PARTY HERETO, and CREDIT SUISSE FIRST BOSTON, as Administrative Agent and... (Filed With SEC on December 28, 2004)

THE FIRST AMENDMENT TO THE MEZZANINE WARRANT AGREEMENT (Filed With SEC on December 28, 2004)

FIRST AMENDMENT TO THE SELLER WARRANT AGREEMENT (Filed With SEC on December 28, 2004)

FIRST AMENDMENT TO THE ALION MEZZANINE WARRANT AGREEMENT BETWEEN ALION SCIENCE AND TECHNOLOGY CORPORATION, ALION SCIENCE TECHNOLOGY EMPLOYEE OWNERSHIP, SAVINGS AND INVESTMENT... (Filed With SEC on December 28, 2004)

AMENDMENT NO. 3 to CREDIT AGREEMENT (Filed With SEC on August 13, 2004)

EMPLOYMENT AGREEMENT (Filed With SEC on August 13, 2004)

SECOND AMENDMENT TO THE ALION SCIENCE AND TECHNOLOGY CORPORATION PHANTOM STOCK PLAN (Filed With SEC on August 13, 2004)

AMENDMENT NO. 2 to CREDIT AGREEMENT (Filed With SEC on May 17, 2004)

EMPLOYMENT AGREEMENT (Filed With SEC on May 17, 2004)

By: /s/ Katherine C. Madaleno Name: Katherine C. Madaleno Title: Corporate Vice President Director of Human Resources (Filed With SEC on May 17, 2004)

STOCK PURCHASE AGREEMENT by and among IDENTIX PUBLIC SECTOR, INC. a Virginia corporation IDENTIX INCORPORATED a Delaware corporation and ALION SCIENCE AND TECHNOLOGY CORPORATION a... (Filed With SEC on March 5, 2004)

FIRST AMENDMENT TO THE ALION SCIENCE AND TECHNOLOGY CORPORATION PHANTOM STOCK PLAN (Filed With SEC on December 24, 2003)

SECOND AMENDMENT TO ALION SCIENCE AND TECHNOLOGY CORPORATION EMPLOYEE OWNERSHIP, SAVINGS AND INVESTMENT PLAN (Filed With SEC on August 15, 2003)

THIRD AMENDMENT TO ALION SCIENCE AND TECHNOLOGY CORPORATION EMPLOYEE OWNERSHIP, SAVINGS AND INVESTMENT PLAN (Filed With SEC on August 15, 2003)

FOURTH AMENDMENT TO ALION SCIENCE AND TECHNOLOGY CORPORATION EMPLOYEE OWNERSHIP, SAVINGS AND INVESTMENT PLAN (Filed With SEC on August 15, 2003)

FIRST AMENDMENT TO THE ALION SCIENCE AND TECHNOLOGY CORPORATION 2002 STOCK APPRECIATION RIGHTS PLAN (Filed With SEC on August 15, 2003)

FIRST AMENDMENT TO THE ALION SCIENCE AND TECHNOLOGY CORPORATION DIRECTOR DEFERRED COMPENSATION PLAN (Filed With SEC on August 15, 2003)

AGREEMENT REGARDING EMPLOYMENT (Filed With SEC on February 3, 2003)

Amended and Restated Employee Ownership Plan (Filed With SEC on October 7, 2002)

Third Amended and Restated Asset Purchase Agrmt (Filed With SEC on October 7, 2002)

2002 Stock Appreciation Rights Plan (Filed With SEC on October 7, 2002)

Form of Revolving Credit and Term Loan Facility (Filed With SEC on October 7, 2002)

Form of Mezzanine Note Securities Purchase Agrmt (Filed With SEC on October 7, 2002)

Form of Seller Note Securities Purchase Agreement (Filed With SEC on October 7, 2002)

Form of Mezzanine Warrant Agreement (Filed With SEC on October 7, 2002)

Form of Seller Warrant Agreement (Filed With SEC on October 7, 2002)

Form of Rights Agreement (Filed With SEC on October 7, 2002)

Form of Employment Agreement - Atefi (Filed With SEC on October 7, 2002)

Form of Employment Agreement-Mendler (Filed With SEC on October 7, 2002)

Form of Employment Agreement-Crawford (Filed With SEC on October 7, 2002)

Form of Employment Agreement-Watson (Filed With SEC on October 7, 2002)

Form of Employment Agreement-Trichka (Filed With SEC on October 7, 2002)

Form of Employment Agreement-Hughes (Filed With SEC on October 7, 2002)

Form of Mezzanine Def. Compensation Agreement (Filed With SEC on October 7, 2002)

Form of Mezzanine Warrant Agreement (Filed With SEC on October 7, 2002)

Form of Subordinated Def. Compensation Agreement (Filed With SEC on October 7, 2002)