EXHIBIT 11 TRI-COUNTY BANCORP, INC. AND SUBSIDIARIES STATEMENT REGARDING COMPUTATION OF EARNINGS PER SHARE Three Months Ended Nine Months Ended September 30, September 30, 1996 1995 1996 1995 EARNINGS PER SHARE Net earnings (loss) available for common shares and common stock equivalent shares deemed to have a dilutive effect $(26,320) $144,779 $316,032 $489,404 ======= ======= ======= ======= Primary earnings (loss) per share $(0.04) $0.23 $0.53 $0.77 ===== ==== ==== ==== Fully diluted earnings (loss) per share $(0.04) $0.23 $0.53 $0.76 ===== ==== ==== ==== Shares used in primary earnings per share computation Weighted average common shares outstanding 600,278 619,554 614,182 634,424 ======= ======= ======= ======= Shares used in fully diluted earnings per share computation Weighted average common shares outstanding 568,384 595,634 583,380 598,659 Additional potentially dilutive effect of stock options 31,894 27,600 31,894 27,600 ------- ------- ------- ------- 600,278 623,234 615,274 643,538 ======= ======= ======= ======= The weighted average common shares outstanding has been computed net of ESOP shares of 40,365 (1996) and 46,345 (1995). -17-