IOWA FIRST BANCSHARES CORP. EXHIBIT (11) STATEMENT RE COMPUTATION OF PER SHARE EARNINGS PRIMARY EARNINGS PER SHARE 1996 1995 Net income for the year applicable to common stock ............ $3,465,000 $3,050,000 Average common shares outstanding ............................. 1,712,574 1,724,037 Add dilutive stock equivalents from stock options ............. 64,106 54,984 ----------------------- Weighted average number of common and common equivalent shares outstanding during the year ................................. 1,776,680 1,779,021 ======================= Earnings per share ............................................ $ 1.95 $ 1.71 ======================= FULLY DILUTED EARNINGS PER SHARE Net income for the year applicable to common stock ............ $3,465,000 $3,050,000 ======================= Average common shares outstanding ............................. 1,712,574 1,724,037 Add dilutive stock equivalents from stock options ............. 68,487 65,886 ----------------------- Weighted average number of common and common equivalent shares outstanding during the year ................................. 1,781,061 1,789,923 ======================= Earnings per share ............................................ $ 1.95 $ 1.70 =======================