EXHIBIT - 11 DIODES INCORPORATED AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE (Unaudited) THREE MONTHS ENDED SIX MONTHS ENDED JUNE 30, JUNE 30, ------------------------------------- ------------------------------------ 2001 2002 2001 2002 ----------------- ---------------- ---------------- --------------- BASIC Weighted average number of common shares outstanding used in computing basic earnings per share 8,143,318 8,176,025 8,139,501 8,170,704 Net income $ 525,000 $ 1,563,000 $ 1,047,000 $ 1,772,000 ================= ================ ================ =============== Basic earnings per share $ 0.06 $ 0.19 $ 0.13 $ 0.22 ================= ================ ================ =============== DILUTED Weighted average number of common shares outstanding used in computing basic earnings per share 8,143,318 8,176,025 8,139,501 8,170,704 Assumed exercise of stock options 753,426 698,391 831,290 653,321 ----------------- ---------------- ---------------- --------------- 8,896,744 8,874,416 8,970,791 8,824,025 Net income $ 525,000 $ 1,563,000 $ 1,047,000 $ 1,772,000 ================= ================ ================ =============== Diluted earnings per share $ 0.06 $ 0.18 $ 0.12 $ 0.20 ================= ================ ================ ===============