ATK Awarded Contract to Deliver Precision Extended Range Munition Capability for U.S. Marine Corps 120mm Mortar System

 ATK Awarded Contract to Deliver Precision Extended Range Munition Capability
                  for U.S. Marine Corps 120mm Mortar System

ATK Will Offer its Industry Leading Precision Guidance Fuzing Technology to
Add Precision to the Marine Corps' Mature Expeditionary Fire Support System's

PR Newswire

ARLINGTON, Va., Dec. 13, 2012

ARLINGTON, Va., Dec. 13, 2012 /PRNewswire/ -- ATK (NYSE: ATK) announced today
that it will begin execution of a $14.3 million contract awarded to develop a
solution to meet the U.S. Marine Corps' requirement for a rifled, 120mm,
Precision Extended Range Mortar (PERM). ATK's Armament Systems division will
serve as the prime contractor to the Marine Corps for the 24-month PERM
development program that will demonstrate a precision mortar cartridge capable
of reliably providing accuracy within 20 meters circular error probable and
can then be quickly transitioned to production and ultimately fielding.

ATK has teamed with General Dynamics Ordnance and Tactical Systems (GD-OTS) to
bring the most mature capabilities to the program. The ATK / GD-OTS PERM
technical solution combines ATK's patented and operationally-proven precision
guidance fuze technology with the GD-OTS extended-range rifled mortar
energetic subsystems developed during the PERM Technical Demonstration

"This best-in-class combination provides the most reliable and affordable path
to achieve the Marine Corps' objective of fielding a precision mortar," said
Bruce DeWitt, Vice President and General Manager for ATK Armament Systems
Division. "Using mature, proven technologies also significantly reduces
development time, which we've proven by using our Precision Guidance Kit
technology to deliver- in one year's time- a fully-qualified, precision
mortar to meet the U.S. Army's aggressive Accelerated Precision Mortar

ATK guidance fuze technology is currently being used by the U.S. Army to meet
precision guidance requirements for 155mm artillery projectiles (XM1156) and
120mm mortar cartridges (XM395). The ATK / GD-OTS PERM projectile will
capitalize on these ongoing U.S. Army development and production programs to
incorporate design commonality, lessons learned, and future product

The PERM initiative is integral to the Marine Corps Ship-to-Objective-Maneuver
(STOM) contingency operations that call for precision, long-range (16- 20km)
mortars fired from the Expeditionary Fire Support System (EFSS) towed-mortar
platform in support of Marine infantry units.

The EFSS is a light, mobile and vertically transportable indirect fire support
system designed for missions requiring tactical versatility, speed and
close-in fire support. The EFSS is designed to be internally transportable in
the MV-22B Osprey and the CH-53 helicopter and has been in fielded with the
Marine Corps since 2009.

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

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:
Linda Burcham                 Steve Wold
Phone: 540-831-4748           Phone: 952-351-3056
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