1 DIODES INCORPORATED AND SUBSIDIARIES EXHIBIT - 11 COMPUTATION OF EARNINGS PER SHARE THREE MONTHS ENDED SIX MONTHS ENDED JUNE 30, JUNE 30, ------------------------- ------------------------- 1997 1996 1997 1996 ---------- ---------- ---------- ---------- PRIMARY Weighted average number of common shares outstanding 4,962,855 4,958,679 4,960,779 4,958,638 Assumed exercise of stock options 472,726 265,939 430,728 267,763 ---------- ---------- ---------- ---------- 5,435,581 5,224,618 5,391,507 5,226,401 Net income $1,229,000 $ 555,000 $2,413,000 $1,403,000 ========== ========== ========== ========== Primary earnings per share $ 0.23 $ 0.11 $ 0.45 $ 0.27 ========== ========== ========== ========== FULLY-DILUTED Weighted average number of common shares outstanding 4,962,855 4,958,679 4,960,779 4,958,638 Assumed exercise of stock options *472,726 *265,939 455,671 *267,763 ---------- ---------- ---------- ---------- 5,435,581 5,224,618 5,416,450 5,226,401 Net income $1,229,000 $ 555,000 $2,413,000 $1,403,000 ========== ========== ========== ========== Fully diluted earnings per share $ 0.23 $ 0.11 $ 0.45 $ 0.27 ========== ========== ========== ========== * No further effect given to common stock equivalents as their effect would be anti-dilutive. 21