EXHIBIT 11.1 COMPUTATIONS OF EARNINGS PER SHARE Years ended December 31 2001 2000 1999 1998 1997 ---- ---- ---- ---- ---- Shares used in the computation of earnings per share1 Weighted daily average of shares outstanding 7,072,588 7,191,790 7,129,560 7,017,306 6,978,089 Shares used in the computation of diluted earnings per share 7,219,229 7,340,729 7,318,520 7,267,602 7,246,011 ========= ========= ========= ========= ========= Net income used in the computation of earnings per common stock $12,419 $12,623 $11,403 $8,770 $5,869 ======= ======= ======= ====== ====== Basic earnings per share $ 1.76 $ 1.76 $ 1.60 $ 1.25 $ 0.84 ======= ======= ======= ======= ======= Diluted earnings per share $ 1.72 $ 1.72 $ 1.56 $ 1.21 $ 0.81 ======= ======= ======= ======= ======= 1Retroactively adjusted for stock dividends and stock splits.