ALION SCIENCE & TECHNOLOGY CORP Warrant Agreements

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

WARRANT AGREEMENT (Filed With SEC on March 25, 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)

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

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

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

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

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

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

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)

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

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

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

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ALION SCIENCE & TECHNOLOGY CORP Warrant Agreements