PART 1: EXHIBIT 11.00 JSB FINANCIAL, INC. AND SUBSIDIARY STATEMENT RE: COMPUTATION OF PER SHARE EARNINGS (Unaudited, In Thousands, except per share amounts) Three Months Ended March 31, --------- 1997 1996 ---- ---- Primary earnings per share: - --------------------------- Shares used in computing earnings per share: Weighted average number of shares outstanding 9,809 10,395 Assuming exercise of options reduced by the number of shares which could have been purchased at average stock price with proceeds from exercise of such options 457 482 ------ ------ Common stock and common stock equivalents 10,266 10,877 Earnings: - --------- Net income $ 6,448 $ 6,078 Earnings per common and common equivalent share $ .63 $ .56 Earnings per share -- assuming full dilution: - --------------------------------------------- Shares used in computing earnings per share: Weighted average number of shares outstanding 9,809 10,395 Assuming exercise of options reduced by the number of shares which could have been purchased at period end stock price with proceeds from exercise of such options 498 499 ------ ------ Common stock and common stock equivalents 10,307 10,894 Earnings: - --------- Net income $ 6,448 $ 6,078 Earnings per common share assuming full dilution $ .63 $ .56