ALION SCIENCE AND TECHNOLOGY CORPORATION 101/4% Senior Notes due 2015 REGISTRATION RIGHTS AGREEMENTRegistration Rights Agreement • February 8th, 2007 • Alion Science & Technology Corp • Services-commercial physical & biological research • New York
Alion Science and Technology Corporation, a Delaware corporation (the “Issuer”), proposes to issue and sell to Credit Suisse Securities (USA) LLC (the “Purchaser”), upon the terms set forth in a purchase agreement of even date herewith (the “Purchase Agreement”), $250,000,000 aggregate principal amount of its 101/4% Senior Notes due 2015 (the “Initial Securities”), to be unconditionally guaranteed by the Guarantors (as such term is defined in the Purchase Agreement and, together with the Issuer, the “Company”). The Initial Securities will be issued pursuant to an Indenture, dated February 8, 2007 (the “Indenture”), among the Issuer, the Guarantors and Wilmington Trust Company (the “Trustee”). As an inducement to the Purchaser, the Company agrees with the Purchaser, for the benefit of the holders of the Initial Securities (including, without limitation, the Purchaser), the Exchange Securities (as defined below) and the Private Exchange Securities (as defined below) (collectively the “Ho
ALION SCIENCE AND TECHNOLOGY CORPORATION PURCHASE AGREEMENTPurchase Agreement • February 8th, 2007 • Alion Science & Technology Corp • Services-commercial physical & biological research • New York
ContractCredit Agreement • February 8th, 2007 • Alion Science & Technology Corp • Services-commercial physical & biological research • New York
AMENDMENT NO. 4 dated as of February 6, 2007 (this “Amendment”), to the CREDIT AGREEMENT dated as of August 2, 2004, as amended pursuant to that certain Incremental Term Loan Assumption Agreement and Amendment No. 1 dated as of April 1, 2005, that certain Incremental Term Loan Assumption Agreement and Amendment No. 2 dated as of March 24, 2006, as amended as of April 21, 2006, and that certain Incremental Term Loan Assumption Agreement and Amendment No. 3 dated as of June 30, 2006 (as so amended, the “Credit Agreement”), among ALION SCIENCE AND TECHNOLOGY CORPORATION (the “Borrower”), the Subsidiary Guarantors listed on the signature pages hereto (solely with respect to Sections 4, 6, 7, 9, 10 and 11 hereof), the lenders from time to time party to the Credit Agreement (the “Lenders”) and CREDIT SUISSE (formerly known as Credit Suisse First Boston), as administrative agent (in such capacity, the “Administrative Agent”) and as collateral agent for the Lenders.
