Exhibit No. 11 - -------------- FIRST EMPIRE STATE CORPORATION COMPUTATION OF EARNINGS PER COMMON SHARE Amounts in thousands, except per share data Three months ended Six months ended June 30 June 30 1994 1993 1994 1993 - ------------------------------------------------------------------------------------------------------------------------------- Primary Average common shares outstanding 6,797 6,873 6,834 6,861 Common stock equivalents * 217 229 214 225 - ------------------------------------------------------------------------------------------------------------------------------- Primary common shares outstanding 7,014 7,102 7,048 7,086 - ------------------------------------------------------------------------------------------------------------------------------- Net income $28,681 25,185 56,309 49,507 Less: Cash dividends on preferred stock 900 900 1,800 1,800 - ------------------------------------------------------------------------------------------------------------------------------- Net income available to common shareholders $27,781 24,285 54,509 47,707 - ------------------------------------------------------------------------------------------------------------------------------- Earnings per common share - primary $3.96 3.42 7.73 6.73 - ------------------------------------------------------------------------------------------------------------------------------- Fully diluted Average common shares outstanding 6,797 6,873 6,834 6,861 Common stock equivalents * 237 229 237 230 Assumed conversion of 9% cumulative convertible preferred stock 507 507 507 507 - ------------------------------------------------------------------------------------------------------------------------------- Fully diluted average common shares outstanding 7,541 7,609 7,578 7,598 - ------------------------------------------------------------------------------------------------------------------------------- Net income $28,681 25,185 56,309 49,507 - ------------------------------------------------------------------------------------------------------------------------------- Earnings per common share - fully diluted $3.80 3.31 7.43 6.52 - ------------------------------------------------------------------------------------------------------------------------------- * Represents shares of First Empire's common stock issuable upon the assumed exercise of outstanding stock options granted pursuant to the First Empire State Corporation 1983 Stock Option Plan under the "treasury stock" method of accounting.