1 DIODES INCORPORATED AND SUBSIDIARIES EXHIBIT - 11 COMPUTATION OF EARNINGS PER SHARE THREE MONTHS ENDED MARCH 31, -------------------------- 1998 1997 ---------- ---------- BASIC Weighted average number of common shares outstanding 4,998,422 4,958,679 Net income $1,186,000 $1,184,000 ========== ========== Basic earnings per share $ 0.24 $ 0.24 ========== ========== DILUTED Weighted average number of common shares outstanding 4,998,422 4,958,679 Assumed exercise of stock options 454,064 382,790 ---------- ---------- 5,452,486 5,341,469 Net income $1,186,000 $1,184,000 ========== ========== Diluted earnings per share $ 0.22 $ 0.22 ========== ========== 25