Washington Bancorp Computation of Earnings per Common Share Exhibit 11 For the three months ended September 30, 1999 1998 1999 1998 Basic Basic Diluted Diluted Computation of weighted average EPS EPS EPS EPS number of common shares ------------------ ------------------- outstanding: Common shares outstanding at the beginning of the period ............... 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 ................................ (37,972) (42,313) (37,972) (42,313) Weighted average common shares released by the ESOP during the period ................................... 564 522 564 522 Weighted average common shares outstanding - Stock Option Plan .............. - - - - 10,001 16,728 Weighted average common shares into treasury ................................ (51,913) (35,270) (51,913) (35,270) -------------------- -------------------- Total average shares outstanding ................... 561,812 574,072 571,813 590,800 ==================== ==================== Net income $222,765 $195,163 $222,765 $195,163 ==================== ==================== Net income per share $ 0.40 $ 0.34 $ 0.39 $ 0.33 ==================== ====================