17 BALDWIN & LYONS, INC. FORM 10-Q, EXHIBIT 11 COMPUTATION OF EARNINGS PER SHARE THREE MONTHS ENDED NINE MONTHS ENDED SEPTEMBER 30 SEPTEMBER 30 ----------------------------------- ------------------------------------ 2006 2005 2006 2005 --------------- -------------- ---------------- ---------------- BASIC: Average number of shares outstanding 15,107,764 14,764,317 14,965,058 14,738,937 =============== ============== ================ ================ Net income $9,878,998 $4,651,400 $26,862,142 $24,196,750 =============== ============== ================ ================ Per share amount $.65 $.32 $ 1.79 $ 1.64 =============== ============== ================ ================ DILUTED: Average number of shares outstanding 15,107,764 14,764,317 14,965,058 14,738,937 Dilutive stock options--based on treasury stock method using average market price 22,697 108,854 48,107 114,934 --------------- -------------- ---------------- ---------------- Totals 15,130,461 14,873,171 15,013,165 14,853,871 =============== ============== ================ ================ Net income $9,878,998 $4,651,400 $26,862,142 $24,196,750 =============== ============== ================ ================ Per share amount $.65 $.31 $ 1.79 $ 1.63 =============== ============== ================ ================