EXHIBIT 11 FIRST COMMERCE CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE Three Months Ended March 31 ----------------------------- 1998 1997 -------------- ------------- Basic earnings per share - ------------------------ Income applicable to common shareholders $30,760,000 $29,020,000 Weighted average number of common shares outstanding(a) 39,312,775 38,781,538 Basic earnings per share $.78 $.75 Diluted earnings per share - --------------------------- Income applicable to common shareholders $30,760,000 $29,020,000 Interest expense on convertible debentures, net of tax 1,640,000 1,667,000 -------------- ------------- Diluted income $32,400,000 $30,687,000 ============= ============= Weighted average number of shares outstanding(a) 39,312,775 38,781,538 Restricted shares expected to be earned 188,082 151,198 Options assumed to be exercised 903,708 331,357 Convertible debentures assumed to be converted 2,976,958 3,017,276 -------------- ------------- Average shares for diluted computation 43,381,523 42,281,369 ============= ============= Diluted earnings per share $.75 $.73 (a) Excludes restricted shares which are issued subject to risk of forfeiture during a vesting period.