Jim Maser Named GenCorp Head of Corporate Strategy and Development

Jim Maser Named GenCorp Head of Corporate Strategy and Development

SACRAMENTO, Calif., June 17, 2013 (GLOBE NEWSWIRE) -- GenCorp Inc. (NYSE:GY),
headquartered in Sacramento, Calif., announces the appointment of Jim Maser as
vice president for Corporate Strategy and Development for the company.
Reporting to GenCorp's President and CEO Scott Seymour, Maser will focus on
the growth of GenCorp's business base and shareholder value.

"We are very fortunate to have Jim Maser lead our corporate strategy efforts
at this critical point in the future of GenCorp," said Seymour. "Jim brings to
this new role a wealth of proven performance and excellence in understanding
the needs of demanding government and industry customers around the world and
providing them with world-class products and services."

A long-time leader in the aerospace industry, Maser assumes his new role after
serving as President of Pratt & Whitney Rocketdyne (PWR) from 2006-2013. As
the organization's leader, he led the design, manufacturing and performance of
power and propulsion systems for America's most critical launch and space
systems.

Prior to serving as PWR's president, Maser was the president and general
manager of the Sea Launch Company, and president and chief operating officer
for Space Exploration Technologies. Maser has a strong background as an
aerospace engineer with extensive experience in program management, design and
engineering leadership.

Maser graduated magna cum laude from the University of Akron with a Bachelor
of Science in Engineering and a Master of Science in Engineering. He later
received a Master of Business Administration from the University of
California, Los Angeles. In 2000, the American Institute for Aeronautics and
Astronautics honored Maser with its George M. Low Space Transportation Award.

About GenCorp

GenCorp is a diversified company providing innovative solutions to its
customers in the Aerospace and Defense, Energy and Real Estate markets. Learn
more about GenCorp's Ideas Powering Freedom at http://www.GenCorp.com.

CONTACT: Investors: Kathy Redd
         chief financial officer
         916.355.2361
        
         Media: Glenn Mahone
         vice president, communications
         202.302.9941

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