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ATK Poised to Enter Resurgent U.S. Nuclear Power Industry With New Composite Rotor Tube Manufacturing Facility in West Virginia

"The Allegany Ballistics Laboratory has become a national asset for the production of critical military systems including Ammunition, Guided Weapons, Precision Fuzing, Tactical Propulsion, and Advanced Composites. Soon, we will be producing composite cases for the nuclear industry, vital to our Navy and to the nation," said Jack Cronin, President of ATK Mission Systems Group. "The pair of new manufacturing facilities are expected to enter production by 2009. ATK expects the new operations will bring more than 200 new jobs to Mineral County.

Images of the rotor tubes and the F-35 JSF can be found on the company's website: http://tinyurl.com/5vhws4.

ATK is a premier aerospace and defense company with more than 17,000 employees in 21 states and approximately $4.6 billion in revenue. News and information can be found on the Internet at http://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: assumptions related to the reemergence of nuclear power facilities, 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:

     Tom Van Leunen                               Steve Wold
     Phone:  (703) 412-3218                       Phone:  952-351-3056
     E-mail:  thomas.vanleunen@atk.com            E-mail:  steve.wold@atk.com

SOURCE ATK