EXHIBIT 11 FIRST COMMERCE CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE Three Months Ended Nine Months Ended September 30 September 30 ------------------ ----------------- 1997 1996 1997 1996 ---- ---- ---- ---- Primary earnings per share - -------------------------- Net income $31,698,000 $26,531,000 $93,577,000 $89,731,000 Less: Preferred dividend requirements - (698,000) - (2,116,000) ----------- ----------- ----------- ----------- Income applicable to common shares $31,698,000 $25,833,000 $93,577,000 $87,615,000 =========== =========== =========== =========== Weighted average number of common shares outstanding, net of shares held in treasury 39,003,175 37,828,162 38,977,365 38,469,086 Shares from assumed exercise of options, net of treasury stock method 881,085 246,224 611,376 224,440 ---------- ---------- ---------- ---------- 39,884,260 38,074,386 39,588,741 38,693,526 ========== ========== ========== ========== Primary earnings per common share $.79 $.68 $2.36 $2.26 Fully diluted earnings per share - -------------------------------- Income applicable to common shares $31,698,000 $25,833,000 $93,577,000 $87,615,000 Expenses that would not have been incurred if assumed conversions had occurred: Preferred dividend requirements - 698,000 - 2,116,000 Interest expense on convertible debentures, net of tax 1,667,000 1,667,000 5,002,000 4,967,000 ----------- ----------- ----------- ----------- Income applicable to common shares plus expenses that would not have been incurred if assumed conversions had occurred $33,365,000 $28,198,000 $98,579,000 $94,698,000 =========== =========== =========== =========== Weighted average number of common shares outstanding, net of shares held in treasury 39,003,175 37,828,162 38,977,365 38,469,086 Shares from assumed exercise of options, net of treasury stock method 967,006 246,224 750,996 239,672 Shares from assumed conversion of dilutive convertible stock and debentures: Preferred stock - 1,802,864 - 1,897,069 Convertible debentures 3,017,276 3,018,034 3,017,276 3,031,726 ----------- ----------- ----------- ----------- 42,987,457 42,895,284 42,745,637 43,637,553 =========== =========== =========== =========== Fully diluted earnings per common share $.77 $.66 $2.31 $2.17