1 EXHIBIT 11 GenCorp Inc. COMPUTATION OF EARNINGS PER COMMON SHARE Unaudited Unaudited Three Months Ended Nine Months Ended ----------------------------------------------------------------------------- August 31, August 31, August 31, August 31, 1994 1993 1994 1993 ------ ------ ------ ------ Earnings (Dollars in Millions) - - -------- Income Before Cumulative Effect of Accounting Changes $ 6.4 $ 7.7 $ 17.4 $ 31.6 Cumulative Effect of Accounting Changes - - (212.7) - ----- ----- --------- ------ Net Income (Loss) for Primary Earnings Per Share 6.4 7.7 (195.3) 31.6 Tax Affected Interest Expense Applicable to 8% Convertible Subordinated Debentures 1.4 1.4 4.1 4.1 ----- ----- --------- ------ Net Income (Loss) for Fully Diluted Earnings Per Share $ 7.8 $ 9.1 $ (191.2) $ 35.7 ===== ===== ========= ====== Shares (In Thousands) - - ------ Weighted Average Number of Common Shares Outstanding for Primary Earnings Per Share 31,731 31,730 31,731 31,730 Assuming Conversion of 8% Convertible Subordinated Debentures 7,158 7,158 7,158 7,158 -------- -------- ------- ------- Weighted Average Number of Common Shares Outstanding for Fully Diluted Earnings Per Share 38,889 38,888 38,889 38,888 ======== ======== ======= ======= Earnings Per Share - - ------------------ Income Before Cumulative Effect of Accounting Changes $ .20 $ .25 $ .55 $ 1.00 Cumulative Effect of Accounting Changes - - (6.71) - ----- ----- -------- ------ Net Income (Loss) for Primary Earnings Per Share $ .20 $ .25 $ (6.16) $ 1.00 ===== ===== ======== ====== Fully Diluted Earnings Per Share $ .20 $ .24 $ (6.16) $ .92 ===== ===== ======== ======