EXHIBIT 11 TRI-COUNTY BANCORP, INC. AND SUBSIDIARIES STATEMENT REGARDING COMPUTATION OF EARNINGS PER SHARE (unaudited) Three Months Ended Six Months Ended June 30, June 30, 1996 1995 1996 1995 EARNINGS PER SHARE Net earnings available for common shares and common stock equivalent shares deemed to have a dilutive effect $184,560 $156,691 $342,352 $344,625 ======= ======= ======= ======= Primary earnings per share $0.30 $0.24 $0.55 $0.54 ===== ===== ===== ===== Fully diluted earnings per share $0.30 $0.24 $0.55 $0.53 ===== ===== ===== ===== Shares used in primary earnings per share computation Weighted average common shares outstanding 613,775 642,314 621,193 641,426 ======= ======= ======= ======= Shares used in fully diluted earnings per share computation Weighted average common shares outstanding 582,695 624,266 590,960 626,259 Additional potentially dilutive effect of stock options 31,894 19,571 31,894 19,571 ------- ------- ------- ------- 614,589 643,837 622,854 645,803 ======= ======= ======= ======= The weighted average common shares outstanding has been computed net of ESOP shares of 40,365 (1996) and 46,345 (1995) -17-