GenCorp Completes Acquisition of Pratt & Whitney Rocketdyne From United Technologies Corporation

GenCorp Completes Acquisition of Pratt & Whitney Rocketdyne From United
Technologies Corporation

SACRAMENTO, Calif., June 14, 2013 (GLOBE NEWSWIRE) -- GenCorp Inc. (NYSE:GY)
announced today that it has completed the acquisition of substantially all
operations of the Pratt & Whitney Rocketdyne business (Rocketdyne) from United
Technologies Corporation (NYSE:UTX). GenCorp will combine Rocketdyne with
Aerojet-General Corporation (Aerojet), a wholly-owned subsidiary of GenCorp,
and the combined businesses will operate as Aerojet Rocketdyne, Inc.,
headquartered in Sacramento, California.

As part of the Rocketdyne transaction, GenCorp will acquire UTC's 50% interest
in the RD Amross joint venture following receipt of Russian regulatory
approvals.

"Today is an exciting milestone in the history of GenCorp. This landmark
transaction signals the transformation of two rocket propulsion companies into
one extraordinary opportunity for the future," said GenCorp President and CEO,
Scott Seymour. "The addition of Rocketdyne almost doubles the size of our
company and provides additional growth opportunities as we build upon the
complementary capabilities of each legacy company, including their talented
people and innovative technologies."

"Combined, we bring decades of history that launched the first space age and
put mission-critical technology into the hands of our warfighters," Seymour
continued. "Our vision for the future is a shared one. We have the best
workforce in the industry and we are committed to 100% safety and mission
success as we continue to deliver performance, drive innovation and create
opportunity. We will continue to be a leader in the next space age."

For more information about Aerojet Rocketdyne, please visit:
http://www.Rocket.com.

About GenCorp

GenCorp is a diversified company providing innovative solutions to its
customers in the aerospace and defense, energy and real estate markets.
Additional information about the company can be obtained by visiting the
company's website at http://www.GenCorp.com.

CONTACT: Investors: Kathy Redd,
         chief financial officer
         916.355.2361
        
         Media: Glenn Mahone,
         vice president, communications
         202.302.9941
        
         Investor Relations: Ron Samborsky,
         vice president, strategy
         916-355-3610

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