Aerojet celebrates 50 years of partnership with Japan at international exhibition

Nagoya, Japan, Oct. 9, 2012 – Aerojet, a GenCorp (NYSE:GY) company, honors 50 years of partnership with Japan at the Japan Aerospace International Exhibition 2012. Since 1962, Aerojet has teamed with Japan on technology transfer programs to support a variety of initiatives for the Japan Ministry of Defense and Japan Aerospace Exploration Agency (JAXA).

About Aerojet
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 http://www.Aerojet.com and at www.GenCorp.com.

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CONTACTS:
Glenn Mahone
Aerojet
202-302-9941
Glenn.Mahone@Aerojet.com

Jessica Pieczonka
Aerojet
916-337-5938
Jessica.Pieczonka@Aerojet.com