EXHIBIT - 11 DIODES INCORPORATED AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE (Unaudited) THREE MONTHS ENDED NINE MONTHS ENDED SEPTEMBER 30, SEPTEMBER 30, --------------------------- --------------------------- 2000 2001 2000 2001 ---------- ----------- ----------- ---------- BASIC Weighted average number of common shares outstanding used in computing basic earnings per share 8,101,667 8,147,902 8,053,675 8,142,333 Net income $4,650,000 $ (847,000) $12,110,000 $ 199,000 ========== =========== =========== ========== Basic earnings per share $ 0.57 $ (0.10) $ 1.50 $ 0.02 ========== =========== =========== ========== DILUTED Weighted average number of common shares outstanding used in computing basic earnings per share 8,101,667 8,147,902 8,053,675 8,142,333 Assumed exercise of stock options 1,159,098 667,679 1,205,420 786,378 ---------- ----------- ----------- ---------- 9,260,765 8,815,581 9,259,095 8,928,711 Net income $4,650,000 $ (847,000) $12,110,000 $ 199,000 ========== =========== =========== ========== Diluted earnings per share $ 0.50 $ (0.10) $ 1.31 $ 0.02 ========== =========== =========== ========== Earnings per share and weighted average shares outstanding are after the effects of a three-for-two stock split in July 2000.