PAGE EXHIBIT 11 SELECTIVE INSURANCE GROUP, INC. AND CONSOLIDATED SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE Years ended December 31,1997, 1996 and 1995 (in thousands, except per Income Shares Per Share share amounts) (Numerator) (Denominator) Amount - --------------------------------------------------------------------- 1997 - ---- Basic EPS Net Income available to common stockholders $ 69,608 28,909 $ 2.41 ==== Effect of Dilutive Securities Restricted stock - 404 8.75% convertible subordinated debentures 396 971 Stock Options 263 641 ------ ------ Diluted EPS Income available to common stockholders + assumed conversions $ 70,267 30,925 $ 2.27 ====== ====== ==== - ------------------------------------------------------------------------ 1996 - ---- Basic EPS Net Income available to common stockholders $ 55,551 28,860 $ 1.92 ==== Effect of Dilutive Securities Restricted stock - 224 8.75% convertible subordinated debentures 413 1,003 Stock Options (339) 273 ------ ------ Diluted EPS Income available to common stockholders + assumed conversions $ 55,625 30,360 $ 1.83 ====== ====== ==== - ------------------------------------------------------------------------- 1995 - ---- Basic EPS Net Income available to common stockholders $ 53,042 28,481 $ 1.86 ==== Effect of Dilutive Securities Restricted stock - 90 8.75% convertible subordinated debentures 421 1,035 Stock Options 437 240 ------ ------ Diluted EPS Income available to common stockholders + assumed conversions $ 53,900 29,846 $ 1.81 ====== ====== ====