X0202 4 2007-07-13 0000040888 GENCORP INC GY 0001212534 WIDNALL SHEILA E HIGHWAY 50 & AEROJET ROAD RANCHO CORDOVA CA 95742 1 0 0 0 Phantom Stock Unit 0 2007-07-13 4 A 0 827.69 13.29 A Common Stock 827.69 3541.565 D These Derivative Securities were incorrectly listed as being "indirectly" owned in prior filings. 1 for 1; one phantom share equals one share of GenCorp common stock. Phantom Stock Units acquired under the Deferred Compensation Plan for Nonemployee Directors. These Derivative Securities are Phantom Stock Units in the GenCorp Deferred Compensation Plan for Nonemployee Directors. The Phantom Stock Units are payable in cash upon a future date elected by the Director at the time of deferral, based upon the market value of GenCorp common shares at the time of payment. therefore there is no Expiration Date for these Derivative Securities. These Derivative Securities are Phantom Stock Units in the GenCorp Deferred Compensation Plan for Nonemployee Directors. The Phantom Stock Units are payable in cash upon a future date elected by the Director at the time of deferral, based upon the market value of GenCorp common shares at the time of payment. Therefore there is no Date Exercisable for these Derivative Securities. Mark A. Whitney as Attorney-in-Fact 2007-07-17