MINNEAPOLIS, April 9 /PRNewswire-FirstCall/ -- Alliant Techsystems has received an $85.8 million contract from Lockheed Martin to produce solid rocket propulsion systems for all three stages of the U.S. Navy's Trident II (D-5) Fleet Ballistic Missile (FBM).

Under terms of the contract, ATK will continue to supply Trident solid rocket propulsion systems to the Trident II (D-5) Missile System Prime Contractor, Lockheed Martin Space Systems Company, Sunnyvale, Calif, through 2011. Deployed in 1990, Trident II (D-5) is the only U.S. submarine-launched strategic missile system in production today. The propulsion systems will be produced by ATK at its facilities in Utah.

"ATK is pleased to support Lockheed Martin and the U.S. Navy on this critical program and looks forward to continued success on this joint effort." said Bill Condas, Vice President of Strategic and Commercial Systems for ATK Launch Systems.

ATK is the world's leading supplier of solid rocket motors. It has a 51-year history of producing solid propulsion systems for submarine-launched ballistic missiles, beginning with the Polaris missile and continuing through the Trident II (D-5) FBM. The company's solid rocket portfolio ranges from 3-inch diameter spin motors to the Space Shuttle's Reusable Solid Rocket Motors (RSRM).

ATK is a $3.5 billion advanced weapon and space systems company employing approximately 15,500 people in 21 states. News and information can be found on the Internet at http://www.atk.com/.

Forward Looking Statement

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: continued funding for the program, 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: George Torres Steve Wold Phone: 801-699-2637 Phone: 952-351-3056 E-mail: george.torres@atk.com E-mail: steve.wold@atk.com

CONTACT: Media, George Torres, +1-801-699-2637, george.torres@atk.com,
or Investors, Steve Wold, +1-952-351-3056, steve.wold@atk.com, both of ATK

Web site: http://www.atk.com/