Aerojet Awarded SM-3 Solid Divert and Attitude Control System Contract

Aerojet Awarded SM-3 Solid Divert and Attitude Control System Contract

SACRAMENTO, Calif., Jan. 8, 2013 (GLOBE NEWSWIRE) -- Aerojet, a GenCorp
(NYSE:GY) company, announced today that the Missile Defense Agency (MDA) has
awarded the company a multi-million dollar contract to develop advanced Solid
Divert and Attitude Control System (SDACS) technologies for the Standard
Missile-3 (SM-3) Block IIB interceptor.

This development contract will advance SDACS technology to increase flight
duration, mission flexibility and overall performance required for the SM-3
IIB missile, ultimately reducing technical risk for the future SM-3 IIB
Missile Product Development Phase.

"This SDACS Risk Reduction Technology Program is a key element of MDA's
strategy for early demonstration of shipboard-compatible technologies for the
SM-3 IIB missile that can be based on land or at sea," said Vice President of
Advanced Programs, Marshall Cousineau. "Aerojet will build upon the successes
of our flight-demonstrated SM-3 Block IB TDACS and development underway on our
SM-3 Block IIA TDACS to provide MDA with an efficient program that will extend
the state-of-the-art technology for the Block IIB mission."

The SM-3 Block IIB missile is a key component of Phase IV of the president's
Phased Adaptive Approach, which focuses on protecting the U.S. homeland from
first generation ICBMs as well as U.S. assets and allies in Europe from
regional threats.

Aerojet is a world-recognized aerospace and defense leader providing
propulsion and energetics to the space, missile defense, strategic, tactical
missile and armaments areas in support of domestic and international markets.
GenCorp is a leading technology-based manufacturer of aerospace and defense
products and systems with a real estate segment that includes activities
related to the entitlement, sale, and leasing of the company's excess real
estate assets. Additional information about Aerojet and GenCorp can be
obtained by visiting the companies' websites at and

The Aerojet logo is available at

Forward Looking Statement:

This press release contains forward-looking statements based on current
management expectations. Numerous factors, including those related to market
conditions and those detailed from time to time in GenCorp's filings with the
Securities and Exchange Commission, may cause results to differ materially
from those anticipated in the forward-looking statements. Many of the factors
that will determine GenCorp's future results are beyond the ability of GenCorp
to control or predict. These statements are subject to risks and uncertainties
and, therefore, actual results may differ materially. Readers should not place
undue reliance on forward-looking statements, which reflect management's views
only as of the date hereof. GenCorp undertakes no obligation to revise or
update any forward-looking statements, or to make any other forward-looking
statements, whether as a result of new information, future events or

CONTACT: Glenn Mahone, Aerojet, 202.302.9941
         Kristin Conner, Aerojet, 916.355.2143

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