EXHIBIT - 11.1 ACE LIMITED AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE Three Months Ended December 31 1996 1995 ------- ------- (in thousands of U.S. dollars, except share and per share data) Earnings per share - Primary Weighted average shares outstanding 58,139,648 46,120,526 Average stock options outstanding (net of repurchased shares under the treasury stock method) 746,607 217,456 ---------- ---------- Weighted average shares and share equivalents outstanding 58,886,255 46,327,982 ========== ========== Net income $ 125,741 $ 93,536 ========== ========== Earnings per share $ 2.14 $ 2.02 ========== ========== Earnings per share - Assuming full dilution Weighted average shares outstanding 58,139,648 46,110,526 Average stock options outstanding (net of repurchased shares under the treasury stock method) 817,063 287,302 ---------- ---------- Weighted average shares and share equivalents outstanding 58,956,711 46,397,828 ========== ========== Net income $ 125,741 $ 93,536 ========== ========== Earnings per share $ 2.13 $ 2.02 ========== ========== 27