1 FORM 10-Q EXHIBIT 11 STATEMENT RE: COMPUTATION OF PER SHARE EARNINGS Net income per share is computed based on the weighted average number of shares outstanding, including the dilutive effect of stock options, as follows: - ------------------------------------------------------------------------------- Three Months Ended March 31, (in thousands, except per share amounts) 1996 1995 - ------------------------------------------------------------------------------- NET INCOME: $ 8,741 $ 7,384 ======= ======= PRIMARY EARNINGS PER SHARE: Actual average shares outstanding 14,356 14,129 Net effect of the assumed exercise of stock options -- based on the treasury stock method using average market price for the period 319 348 ------- ------- Pro forma average shares outstanding 14,675 14,477 ======= ======= Net Income Per Share $ 0.60 $ 0.51 ======= ======= FULLY DILUTED EARNINGS PER SHARE: Actual average shares outstanding 14,356 14,129 Net effect of the assumed exercise of stock options -- based on the treasury stock method using higher of average or closing market price 321 356 ------- ------- Pro forma average shares outstanding 14,667 14,485 ======= ======= Net Income Per Share $ 0.60 $ 0.51 ======= ======= 21