Exhibit 11.1 FIRST EMPIRE STATE CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER COMMON SHARE YEAR ENDED DECEMBER 31 ----------------------------------- AMOUNTS IN THOUSANDS, EXCEPT PER SHARE 1996 1995 1994 -------- -------- ------- Primary Average common shares outstanding...... 6,663 6,499 6,729 Common stock equivalents *............. 385 282 223 -------- -------- -------- Primary common shares outstanding.... 7,048 6,781 6,952 -------- -------- ------- Net income............................... $151,103 131,036 117,295 Less: Preferred stock dividends.......... 900 3,600 3,600 -------- -------- -------- Net income available to common shareholders......................... 150,203 127,436 113,695 -------- -------- ------- Earnings per common share-- primary...... $21.31 18.79 16.35 -------- -------- ------- Fully diluted Average common shares outstanding...... 6,663 6,499 6,729 Common stock equivalents *............. 421 362 228 Assumed conversion of convertible preferred stock........................ 122 507 507 -------- -------- -------- Fully diluted average common shares outstanding............................ 7,206 7,368 7,464 -------- ------- ------- Net income............................... $151,103 131,036 117,295 -------- ------- ------- Earnings per common share--fully diluted................................ $20.97 17.78 15.71 -------- ------- ------- - ------------------------ * Represents shares issuable upon the assumed exercise of outstanding common stock options under the "treasury stock" method of accounting.