1 DIODES INCORPORATED AND SUBSIDIARIES EXHIBIT - 11 COMPUTATION OF EARNINGS PER SHARE THREE MONTHS ENDED SIX MONTHS ENDED JUNE 30, JUNE 30, ---------------------------- ---------------------------- 1998 1997 1998 1997 ---------- ---------- ---------- ---------- BASIC Weighted average number of common shares outstanding 5,022,621 4,962,855 5,010,589 4,960,779 Net income $ 521,000 $1,229,000 $1,707,000 $2,413,000 ========== ========== ========== ========== Basic earnings per share $ 0.10 $ 0.25 $ 0.34 $ 0.49 ========== ========== ========== ========== DILUTED Weighted average number of common shares outstanding 5,022,621 4,962,855 5,010,589 4,960,779 Assumed exercise of stock options 368,441 472,726 413,698 430,728 ---------- ---------- ---------- ---------- 5,391,062 5,435,581 5,424,287 5,391,507 Net income $ 521,000 $1,229,000 $1,707,000 $2,413,000 ========== ========== ========== ========== Diluted earnings per share $ 0.10 $ 0.23 $ 0.31 $ 0.45 ========== ========== ========== ==========