Aerojet Propulsion Remains Operational as Voyager 1 Approaches Interstellar Space

SACRAMENTO, Calif., Dec. 23, 2010 – Aerojet, a GenCorp (NYSE: GY) company, celebrates NASA’s recent announcement that Voyager 1 has reached a point at the edge of our solar system where there is no outward motion of solar wind.

Aerojet to Expand in Huntsville - Company Plans to Grow in the Southeast U.S.

SACRAMENTO, Calif., Dec. 16, 2010 – Aerojet, a GenCorp (NYSE: GY) company, announced today that over the next few months it will expand its presence in the Huntsville community by hiring 25 local engineers.

Aerojet Propulsion Raises Japan’s First Quasi-Zenith Satellite MICHIBIKI

SACRAMENTO, Calif., Dec. 2, 2010 – Aerojet, a GenCorp (NYSE: GY) company, congratulates Mitsubishi Electric Corporation and the Japan Aerospace Exploration Agency (JAXA) on the successful launch of the MICHIBIKI satellite aboard the H-2A launch vehicle out of the Tanegashima Space Center in Japan.

Aerojet Completes Final Lot Shipments of the U.S. Air Forces F-22 Raptor Program, The Companys Forward Boom Deliveries Span 17 years

SACRAMENTO, Calif., Dec. 2, 2010 – Aerojet, a GenCorp (NYSE: GY) company, announced today that it shipped the last F-22 Raptor forward boom to The Boeing Company in Seattle, Wash. This completed the 10th lot of a procurement that spanned 17 years in support of the Boeing/Lockheed Martin/U.S. Air Force team.

Aerojets High-Power Hall System Providing Orbit-Raising Propulsion for Air Forces Advanced Extremely High Frequency Satellite

SACRAMENTO, Calif., Nov. 22, 2010 – Aerojet, a GenCorp (NYSE: GY) company, announced today that its high-power Hall Thruster Propulsion System (HTPS) has successfully initiated operation on the Advanced Extremely High Frequency (AEHF) Space Vehicle #1 (SV#1) that was launched on an Atlas V rocket on Aug.14.