Aerojet Presents Exceptional Supplier Award to ValveTech

SACRAMENTO, Calif., June 20, 2012 – Aerojet, a GenCorp (NYSE: GY) company, announced today that it has recognized ValveTech Inc. of Phelps New York with an Exceptional Supplier Award for the corporation’s 20 consecutive months of on-time deliveries.

Aerojet and Teledyne Brown Engineering Host Alabama Governor for Rocket Engine Factory Milestone Event

THOUSAND OAKS and SACRAMENTO, Calif.

Aerojet Rocket Motors Propel Successful Standard Missile-3 Intercept

SACRAMENTO, Calif., May 10, 2012 – Aerojet, a GenCorp (NYSE: GY) company, announced that it contributed to last night’s successful flight test of Raytheon’s Standard Missile-3 (SM-3) Block IB where the missile intercepted and destroyed a ballistic missile target.

Aerojet Solid Rocket Boosters Help Launch Military Communications Satellite

SACRAMENTO, Calif., May 4, 2012 (GLOBE NEWSWIRE) -- Aerojet, a GenCorp (NYSE:GY) company, announced that its Solid Rocket Boosters (SRBs) helped power today's launch of United Launch Alliance's (ULA) Atlas V rocket carrying a military payload.

Aerojet's AJ26 Flight Engine Successfully Hot-Fire Tested for Orbitals Antares Rocket

SACRAMENTO, Calif., May 4, 2012 (GLOBE NEWSWIRE) -- Aerojet, a GenCorp (NYSE:GY) company, announced today that its AJ26 engine successfully completed a hot-fire test yesterday at NASA's Stennis Space Center.