Aerojet Celebrates 50 Years of Partnership with Japan at International Exhibition

SACRAMENTO, Calif., Oct. 10, 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).

Aerojet and Daicel Mark 50 Years of Partnership

SACRAMENTO, Calif., Sept. 17, 2012 – Aerojet, a GenCorp (NYSE: GY) company, and Daicel, a Japanese defense corporation, marked 50 years of partnership today with the planting of a cherry blossom tree at Aerojet’s headquarters in Sacramento.

Aerojet Initiates Research Program at Massachusetts Institute of Technology

SACRAMENTO, Calif., Sept. 5, 2012 – Aerojet, a GenCorp (NYSE: GY) company, and the Aeronautics and Astronautics Department of the Massachusetts Institute of Technology (MIT) announce the creation of a new fellowship for basic research in the aeronautical and aerospace sciences.

Aerojet Propulsion Systems to Maneuver Radiation Belt Storm Probes

SACRAMENTO, Calif., Aug. 30, 2012 – Aerojet, a GenCorp (NYSE: GY) company, announced today that United Launch Alliance’s Atlas V successfully lofted NASA’s twin Radiation Belt Storm Probes (RBSP) on a two-year mission to explore the Van Allen belts. Each RBSP relies on an Aerojet integrated propulsion system that will be used throughout the mission to position the satellites.

Aerojet’s LEO-7 Second Stage Rocket Motor Completes Successful Hot-Fire Test

SACRAMENTO, Calif., Aug. 23, 2012 – Aerojet, a GenCorp (NYSE: GY) company, announced today that its Low Earth Orbit (LEO)-7 second stage rocket motor successfully completed a hot-fire test at the Air Force Research Laboratory at Edwards Air Force Base in California.