X0305 4 2012-03-28 0000040888 GENCORP INC GY 0001216518 SEYMOUR SCOTT J HIGHWAY 50 & AEROJET ROAD RANCHO CORDOVA CA 95742 1 1 President and CEO Common Stock 2012-03-28 4 A 0 113407 0 A 246133 D Common Stock 2012-03-28 4 A 0 30242 0 A 276375 D Common Stock 80000 I By Scott J. Seymour and Kathleen T. Goette Seymour Family Trust Grant to Reporting Person of restricted stock under the Amended and Restated 2009 Equity and Performance Incentive Plan. Restricted stock will vest based on meeting certain performance targets for FY 2014. Grant to Reporting Person of restricted stock under the Amended and Restated 2009 Equity and Performance Incentive Plan. Shares of restricted stock will vest on March 28, 2015. Rebecca A. Bauer as Attorney-in-Fact 2012-03-30