Aerojet Honored by National Association of Environmental Professionals - Presented with 2011 Environmental Excellence Award for Public Partnerships

SACRAMENTO, Calif., May 2, 2011 – Aerojet, a GenCorp (NYSE: GY) company, announced today that on behalf of Aerojet, its Vice President of Environmental Health and Safety, Chris Conley, was presented with the National Association of Environmental Professionals’ (NAEP) 2011 Environmental Excellence Award for Public Partnerships.

Aerojet Welcomes Michael Bright to Aerojet as Vice President of its Missile Defense Business Unit

SACRAMENTO, Calif., April 25, 2011 – Aerojet, a GenCorp (NYSE: GY) company, announced today that Michael (Mike) Bright has joined the corporation as vice president of the Missile Defense Business Unit.

Aerojet Congratulates NASA on its 30-Year Anniversary of the Space Shuttle Program - The Company’s Orbital Maneuvering System Engine Will Retire to the U.S. Space & Rocket Center in Huntsville, Alabama

SACRAMENTO, Calif., April 20, 2011 – Aerojet, a GenCorp (NYSE: GY) company, congratulates NASA and all of its partners on the recent 30th anniversary of the inaugural space shuttle launch from Kennedy Space Center in Florida. NASA’s orbiters will retire after Atlantis’ expected launch on June 28. Aerojet’s technology has flown on every shuttle mission since its launch inception in 1981.

Aerojet Solid Rocket Motors Help Propel Atlas V Launch of Defense Payload

SACRAMENTO, Calif., April 15, 2011 – Aerojet, a GenCorp (NYSE: GY) company, announced today that its 67-foot solid rocket booster augmented the launch of United Launch Alliance’s (ULA) Atlas V vehicle from Vandenberg Air Force Base, Calif. The booster provided approximately 380,000 lbs.

Aerojets Dave Caldwell Expands Role in Missile Defense and Strategic Programs

SACRAMENTO, Calif., April 8, 2011 – Aerojet, a GenCorp (NYSE: GY) company, announced today that Dave Caldwell, director for Missile Defense and Strategic programs in the company’s Washington, D.C. Operations office, will assume the added responsibility of supporting Aerojet's efforts to foster a sustainable and innovative U.S. rocket propulsion industrial base.