20TH CENTURY INDUSTRIES AND SUBSIDIARIES EXHIBIT 11: COMPUTATION OF EARNINGS PER COMMON SHARE Three Months Ended March 31, ---------------------------- 1997 1996 ---- ---- (Amounts in thousands, except per share data) Primary: Average Shares Outstanding 51,528 51,458 Net effect of dilutive stock warrants and options based on the modified treasury stock method using average market price 7,744 7,836 --------- --------- Totals 59,272 59,294 --------- --------- --------- --------- Net income $ 26,872 $ 25,583 Dividends on preferred stock (5,061) (5,061) --------- --------- Net income applicable to common stock $ 21,811 $ 20,522 --------- --------- --------- --------- Earnings per common share $ .37 $ .35 --------- --------- --------- --------- 23 20TH CENTURY INDUSTRIES AND SUBSIDIARIES EXHIBIT 11: COMPUTATION OF EARNINGS PER COMMON SHARE (continued) Three Months Ended March 31, ---------------------------- 1997 1996 ---- ---- (Amounts in thousands, except per share data) Fully diluted: Average shares outstanding 51,528 51,458 Net effect of dilutive stock warrants and options based on the modified treasury stock method using average market price or closing price 7,744 7,836 Assuming conversion of convertible preferred stock 19,855 19,855 --------- --------- Totals 79,127 79,149 --------- --------- --------- --------- Net income $ 26,872 $ 25,583 Net interest expense reduction - - --------- --------- Net income applicable to common stock $ 26,872 $ 25,583 --------- --------- --------- --------- Earnings per common share $ .34 $ .32 --------- --------- --------- --------- 24