ATK's Propulsion and Control Systems Support Missile Defense Interceptor Test

ATK's Propulsion and Control Systems Support Missile Defense Interceptor Test

ATK's Solid Propulsion Systems Provide Critical Capability and Mission
Flexibility for the Standard Missile 3 (SM-3) Interceptor

PR Newswire

ARLINGTON, Va., Feb. 13, 2013

ARLINGTON, Va., Feb. 13, 2013 /PRNewswire/ --ATK (NYSE: ATK), the nation's
leading solid propellant rocket motor producer, provided two critical
components for the most recent successful missile defense test involving a
Standard Missile 3 (SM-3) Block IA guided missile. The test was held over the
Pacific Ocean on Feb. 13, 2013.

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
required by the kinetic warhead.

ATK also supplies the Solid Divert and Attitude Control System (SDACS) to
Raytheon. The SDACS propulsion system provides end-game maneuvering for the
SM-3's kinetic warhead in its final intercept of a target. It is the only
solid propellant DACS that is in full-rate production and fielded for use.

"We are pleased to support another successful missile defense test. ATK is
proud to be part of the SM-3 guided missile industry team that provides our
nation this critical capability," said Cary Ralston, vice president and
general manager of ATK's Missile Products division. "ATK's years of design,
development, and production expertise continue to support the success of the
SM-3 system. We are dedicated to making certain our products deliver
mission-assured performance."

ATK manufactures the TSRM and SDACS at its Missile Defense & Controls
operation in Elkton, Md.

ATK is an aerospace, defense, and commercial products company with operations
in 21 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: 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:
Bryan Kidder                 Steve Wold
Phone: 410-864-4932          Phone: 952-351-3056
E-mail: bryan.kidder@atk.com E-mail: steve.wold@atk.com

SOURCE ATK

Website: http://www.atk.com
 
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