Exhibit 11 TRW Inc. and Subsidiaries COMPUTATION OF EARNINGS PER SHARE - UNAUDITED (In Millions Except Per Share Amounts) Three Months Ended March 31 ---------------------------------- 1996 1995 ---- ---- PRIMARY Net earnings $ 117.0 $ 114.7 Less preference dividend requirements 0.1 0.2 ---------- ---------- Net earnings applicable to common shares and common share equivalents $ 116.9 $ 114.5 ---------- ---------- ---------- ---------- Average common shares outstanding 65.6 64.9 Stock options and performance share rights, based on the treasury stock method using average market price 1.5 1.0 ---------- ---------- Average common shares and common share equivalents 67.1 65.9 ---------- ---------- ---------- ---------- Primary earnings per share $ 1.74 $ 1.74 ---------- ---------- ---------- ---------- FULLY DILUTED Net earnings applicable to common shares and common share equivalents $ 116.9 $ 114.5 Dividends assuming conversion of other dilutive securities: (A) Dilutive preference dividends 0.1 0.2 ---------- ---------- Net earnings applicable to fully diluted shares $ 117.0 $ 114.7 ---------- ---------- ---------- ---------- Average common shares outstanding 65.6 64.9 Common shares assuming conversion of other dilutive securities: (A) Dilutive preference shares 0.6 0.6 Stock options and performance share rights, based on the treasury stock method using closing market price if higher than average market price 1.6 1.2 ---------- ---------- Average fully diluted shares 67.8 66.7 ---------- ---------- ---------- ---------- Fully diluted earnings per share $ 1.73 $ 1.72 ---------- ---------- ---------- ---------- (A) Assuming the conversion of the Serial Preference Stock II - Series 1 and Series 3.