Aerojet, Government and Regulators Dedicate New Groundwater Treatment Facility; Collaboration results in groundwater cleanup, protected drinking water and cost savings for Sacramento County taxpayers

CARMICHAEL, Calif., Aug.

Biodiesel Industries Selected for Proposed Grant by the California Energy Commission

SANTA BARBARA and SACRAMENTO, Calif. – Biodiesel Industries announced today the company’s selection by the California Energy Commission for a project grant to support the state’s Alternative and Renewable Fuel and Vehicle Technology Program.

Aerojet Propulsion Critical to Atlas V Launch of Advanced Extremely High Frequency Satellite

SACRAMENTO, Calif., Aug. 14, 2010 – Aerojet, a GenCorp (NYSE: GY) company, announced its key role in the successful launch of United Launch Alliance’s Atlas V rocket from Cape Canaveral, Fla., carrying the Advanced Extremely High Frequency (AEHF) Space Vehicle #1 (SV#1).

Aerojets Ramjet Propulsion Engine Successfully Meets Coyote High Diver Mission Requirements on U.S. Navys Initial Flight Test

SACRAMENTO, Calif., Aug. 13, 2010 – Aerojet, a GenCorp (NYSE: GY) company, announced today that its Supersonic Sea-Skimming Target (SSST) ramjet propulsion system successfully completed the first flight test of the Coyote High Diver variant supersonic target mission.

LOCKHEED MARTIN HYPERSONIC ATACMS MOTOR BOOSTS EXPERIMENTAL SCRAMJET IN FIRST FLIGHT

DALLAS and SACRAMENTO, Calif., August 10, 2010 – Lockheed Martin [NYSE: LMT] announced today that its Army Tactical Missile System (ATACMS) rocket motor successfully boosted the experimental X-51A WaveRider beyond Mach 4.5, the speed at which a scramjet will start and begin to provide thrust.