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Press release from PR Newswire

ATK's Third Stage Rocket Motor (TSRM) Supports Successful Missile Defense Test

Wednesday, June 27, 2012

ATK's Third Stage Rocket Motor (TSRM) Supports Successful Missile Defense Test09:08 EDT Wednesday, June 27, 2012TSRM Dual-Pulse Rocket Motor Provides Critical Capability and Mission Flexibility for the Standard Missile (SM-3) Interceptor ATK's Innovative TSRM Propulsion System Helps Move SM-3 Block IB Missile Closer to Operational ReadinessARLINGTON, Va., June 27, 2012 /PRNewswire/ -- ATK (NYSE: ATK), the nation's leading solid rocket motor producer, provided a key component for the most recent successful Aegis Ballistic Missile Defense System test of a Standard Missile 3 (SM-3) Block IB.  The test was held over the Pacific Ocean on June 26, 2012.  ATK supplies the Third Stage Rocket Motor (TSRM) to Raytheon Company, the prime contractor for the SM-3.  The TSRM is a dual-pulse propulsion system with thrust vector control and an integral attitude control system.  This unique combination of subsystems provides the SM-3 with the flexibility to address a broad range of threats and helps to minimize end-game maneuvering by the kinetic warhead.    "We are excited for the success of this important test flight and the performance of our TSRM propulsion system," said Cary Ralston, Vice President and General Manager of ATK's Missile Products division.  "We are proud to be part of a great missile defense team, and look forward to applying our unique technical expertise for current and future versions of this critical national capability."ATK manufactures the TSRM at its Elkton, Md. facility and has produced more than 160 TSRMs for the SM-3 program.  ATK also manufactures the Solid Divert and Attitude Control System (SDACS) for the SM-3 Block IA missile.  ATK is an aerospace, defense, and commercial products company with operations in 22 states, Puerto Rico, and internationally.  News and information can be found on the Internet at www.atk.com. Certain information discussed in this press release constitutes forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995.  Although ATK believes that the expectations reflected in such forward-looking statements are based on reasonable assumptions, it can give no assurance that its expectations will be achieved.  Forward-looking information is subject to certain risks, trends and uncertainties that could cause actual results to differ materially from those projected. Among those factors are: challenges inherent in the development of advanced rocket motors; changes in governmental spending, budgetary policies and product sourcing strategies; the company's competitive environment; the terms and timing of awards and contracts; and economic conditions.  ATK undertakes no obligation to update any forward-looking statements. For further information on factors that could impact ATK, and statements contained herein, please refer to ATK's most recent Annual Report on Form 10-K and any subsequent quarterly reports on Form 10-Q and current reports on Form 8-K filed with the U.S. Securities and Exchange Commission.Media Contact:Investor Contact:Rod GibbonsSteve WoldPhone: 410-864-4932Phone: 952-351-3056E-mail: rod.gibbons@atk.comE-mail: steve.wold@atk.com SOURCE ATK