EXHIBIT 11 OPTICAL DATA SYSTEMS, INC. COMPUTATIONS OF PER SHARE EARNINGS (In thousands, except per share amounts) Three Months Ended Six Months Ended June 30, June 30, ------------------ ------------------ 1996 1995 1996 1995 -------- -------- -------- -------- PRIMARY Common shares outstanding at Beginning of period 16,221 15,981 16,150 15,840 Net effect of dilutive stock options and warrants based on the treasury stock method using average market price 659 857 724 964 ------- ------- ------- ------- Weighted average shares outstanding 16,880 16,838 16,874 16,804 ------- ------- ------- ------- ------- ------- ------- ------- Net income $ 3,637 $ 3,848 $ 7,131 $ 6,830 ------- ------- ------- ------- ------- ------- ------- ------- Net income per share $ .22 $ .23 $ .42 $ .41 ------- ------- ------- ------- ------- ------- ------- ------- FULLY DILUTED* Common shares outstanding at Beginning of period 16,221 15,981 16,150 15,840 Net effect of dilutive stock options and warrants based on the treasury stock method using the year-end market price, if higher than average market price 659 900 724 1,046 ------- ------- ------- ------- Weighted average shares outstanding 16,880 16,881 16,874 16,886 ------- ------- ------- ------- ------- ------- ------- ------- Net income $ 3,637 $ 3,848 $ 7,131 $ 6,830 ------- ------- ------- ------- ------- ------- ------- ------- Net income per share $ .22 $ .23 $ .42 $ .40 ------- ------- ------- ------- ------- ------- ------- ------- ________________ * Fully diluted earnings per share is not presented in the Consolidated Statements of Income as the resulting dilution is less than 3% of primary earnings per share. -15-