Washington Bancorp Computation of Earnings per Common Share Exhibit 11 For the three months For the six months ended December 31, ended December 31, ----------------------------------------- -------------------------------------------- 2000 1999 2000 1999 2000 1999 2000 1999 Basic .. Basic Diluted Diluted Basic Basic Diluted Diluted EPS EPS EPS EPS EPS EPS EPS EPS ----------------------------------------- -------------------------------------------- Computation of weighted average number of common shares outstanding: Common shares outstanding at the beginning of the period............651,133 651,133 651,133 651,133 651,133 651,133 651,133 651,133 Unreleased common shares held by the Employee Stock Ownership Plan (ESOP) at the beginning of the period ............................(32,066) (36,845) (32,066) (36,845) (33,283) (37,972) (33,283) (37,972) Weighted average common shares released by the ESOP during the period ............................... 609 564 609 564 1,218 1,127 1,218 1,127 Weighted average common shares outstanding - Stock Option Plan ......... - - 7,219 7,736 - - 7,302 9,425 Weighted average common shares into treasury (119,962) (54,526) (119,962) (54,526) (114,864) (53,220) (114,864) (53,220) ----------------------------------------- -------------------------------------------- Total average shares outstanding 499,714 560,326 506,933 568,062 504,204 561,068 511,506 570,493 =========================================== ========================================== Net income $ 241,510 $ 278,511 $ 241,510 $ 278,511 $ 503,406 $ 501,276 $503,406 $501,276 =========================================== ========================================== Net income per share ....................... $ 0.48 $ 0.50 $ 0.48 $ 0.49 $ 1.00 $ 0.89 $ 0.98 $ 0.88 =========================================== ==========================================