EXHIBIT 11 STATEMENT RE: COMPUTATION OF PER SHARE EARNINGS ------------------------------------------------ (in thousands, except per share amounts) Three Months Ended March 31 --------------------- 1999 1998 --------------------- Net income $12,622 $10,873 ===================== Average common shares outstanding 47,327 47,820 Common stock equivalents (1) 243 344 --------------------- Diluted shares outstanding 47,570 48,164 ===================== Earnings per share $ .27 $ .23 ===================== Diluted earnings per share $ .27 $ .23 ===================== (1) Common stock equivalents represent the dilutive effect of outstanding stock options for all periods presented.