Washington Bancorp Computation of Earnings per Common Share Exhibit 11 Three Months Ended Nine Months Ended March 31, 1997 March 31, 1997 ------------------ ----------------- Computation of weighted average number of common shares outstanding: Common shares outstanding at the beginning of the period 657,519 657,519 Unreleased common shares held by the Employee Stock Ownership Plan (ESOP) at the beginning of the period ..................... (48,265) (50,433) Weighted average common shares released by the ESOP during the period ........................ 483 1,567 Weighted average common shares outstanding - Stock Option Plan.... 8,663 2,987 Weighted average common shares purchased for treasury ............ (20,471) (6,654) Weighted average common shares outstanding - Recognition and Retention Plan ................ 19,914 11,948 --------- --------- Weighted average number of common shares ............................ 617,843 616,934 ========= ========= Net income ............................. $ 211,009 $ 376,396 ========= ========= Net income per common share ............ $ 0.34 $ 0.61 ========= =========