EXHIBIT 11 COMPUTATION OF EARNINGS PER SHARE Three Months Ended Six Months Ended -------------------- ---------------- June 30 June 30 -------------------- ---------------- 1997 1996 1997 1996 -------------------- ---------------- (in thousands, except per share data) Primary: Net Income $ 4,633 $ 3,914 $ 8,945 $ 8,073 ======== ======= ======= ======= Weighted average number of common shares outstanding 19,103 19,061 19,377 19,110 Add: Dilutive effect of outstanding options, as determined by the application of the treasury stock method using the average market price of the Company's common stock 340 966 338 821 -------- ------- ------- ------- Weighted average number of common and common equivalent shares 19,443 20,027 19,715 19,931 -------- ------- ------- ------- Primary earnings per share $ .24 $ .20 $ .45 $ .41 ======== ======= ======= ======= Fully diluted: Weighted average number of common and common equivalent shares 19,443 20,027 19,715 19,931 Add: Additional dilutive effect of outstanding options, as determined by the application of the treasury stock method using the quarter end market price of the Company's common stock 126 0 65 0 -------- ------- ------- ------- Weighted average number of common shares fully diluted 19,569 20,027 19,780 19,931 -------- ------- ------- ------- Fully diluted earnings per share * $ 0.24 $ 0.20 $ 0.45 $ 0.41 ======== ======= ======= ======= *Not presented in Financial Statements since dilutive effect is less than 3%. **Prior year earnings per share and weighted average shares have been restated to reflect the June, 1996 2 for 1 stock dividend.