EXHIBIT 11 STATEMENT RE: COMPUTATION OF PER SHARE EARNINGS Three Months Ended Six Months Ended ------------------------------------ ----------------------------------- March 31, 1997 March 31, 1998 March 31, 1997 March 31, 1998 ----------------- ---------------- ---------------- ---------------- 1. Net income...................................... $ 2,276,000 $ 2,086,000 $ 4,549,000 $ 4,400,000 ================= ================ ================ ================ 2. Weighted average common shares outstanding...... 4,850,524 4,966,996 4,873,632 4,951,876 3. Basic earnings per share........................ $ 0.47 $ 0.42 $ 0.93 $ 0.89 ================= ================ ================ ================ 4. Weighted average common shares outstanding...... 4,850,524 4,966,996 4,873,632 4,951,876 5. Potential common stock due to dilutive effect of stock options................................... 134,109 199,667 129,796 202,053 ----------------- ---------------- ---------------- ---------------- 6. Total weighted average common shares and equivalents outstanding for diluted earnings per share computation........................... 4,984,633 5,166,663 5,003,428 5,153,929 ================= ================ ================ ================ 7. Diluted earnings per share...................... $ 0.46 $ 0.40 $ 0.91 $ 0.85 ================= ================ ================ ================ 23