60 Baldwin & Lyons, Inc. & Subsidiaries Form 10-K Year Ended December 31, 1998 EXHIBIT 11 COMPUTATION OF PER SHARE EARNINGS ------------------------------------------- Year Ended December 31 ------------------------------------------- 1998 1997 1996 ----------- ----------- ----------- Basic: Average number of Class A and Class B shares outstanding 13,719,728 13,776,881 14,183,922 =========== =========== =========== Net income $16,894,697 $24,445,682 $21,692,242 =========== =========== =========== Per Share Amount $ 1.23 $ 1.77 $ 1.53 =========== =========== =========== Diluted: Average number of Class A and Class B shares outstanding 13,719,728 13,776,881 14,183,922 Dilutive stock options--based on treasury stock method using higher of average or year end market prices 146,448 192,371 190,702 ----------- ----------- ----------- TOTALS 13,866,176 13,969,252 14,374,624 =========== =========== =========== Net income $16,894,697 $24,445,682 $21,692,242 =========== =========== =========== Per Share Amount $ 1.22 $ 1.75 $ 1.51 =========== =========== =========== 60