 Closing Sales Price Calendar Quarter Ended  of Common Stock  High  Low Fourth Quarter  2004 $ 29.230  $ 21.590 Third Quarter  2004 25.859  16.830 Second Quarter  2004 24.800  20.840 First Quarter  2004 25.160  19.010 Fourth Quarter  2003 20.600  13.867 Third Quarter  2003 16.053  12.100 Second Quarter  2003 14.360  7.180 First Quarter  2003 8.200  6.367 Moss Adams, LLP 11766  Wilshire Boulevard, Suite  900 Los Angeles, California  90025 Continental Stock Transfer & Trust Company 17  Battery Place,  8 th Floor New York, New York  10004 Tel: 212-509-4000 Board of Directors Raymond Soong  3N Chairman of the Board, Diodes Incorporated Chairman of the Board, The Lite-On Group C.H. Chen  3N, 4C President & Chief Executive Officer, Diodes Incorporated  Vice Chairman, Lite-On Semiconductor Corporation Michael R. Giordano  1C, 2C, 4 Senior Vice President, UBS Incorporated Dr. Keh-Shew Lu  1, 2, 3C, 4 Retired Senior Vice President, Texas Instruments, Inc. M.K. Lu President, Lite-On Semiconductor Corporation Dr. Shing Mao  3 Retired Chairman of the Board, Lite-On Incorporated John M. Stich  $_{1, 2, 3, 4}$ President & Chief Executive Officer, The Asian Network Retired Chief Marketing Officer, Texas Instruments, Inc.– Japan Executive Officers 48 C.H. Chen President & Chief Executive Officer  Joseph Liu Senior Vice President, Operations Mark A. King Vice President, Sales & Marketing Carl C. Wertz Chief Financial Officer, Secretary & Treasurer Diodes Incorporated common stock is listed and traded on the Nasdaq National Market (Nasdaq: DIOD). No cash dividends have been declared or paid. The Company currently intends to retain any earnings  for use in its businesses. Shareholder Information Independent Accountants Transfer Agent & Registrar General Counsel Financial Information Online World Wide Web users can access Company information on the Diodes, Inc. Investor page at  www.diodes.com. Sheppard, Mullin, Richter & Hampton 333 S. Hope Street,  42 nd Floor Los Angeles, California  90071-1448 Coffin Communications Group 15300  Ventura Boulevard, Suite  303 Sherman Oaks, California  91403-3039 Primary Contact: Crocker Coulson  Tel:  818.789.0100 Fax: 818.789.1152 e-mail:  Crocker.Coulson@ccgir.com or diodes-fin@diodes.com A copy of the Company’s Form  10 -K, as filed with the U.S. Securities and Exchange Commission, is available  at  www.diodes.com  or upon written request to: Investor Relations Form 10-K corporate information Diodes Incorporated and Subsidiaries 1 – Member, Audit Committee 2 – Member, Compensation & Stock Options Committee 3 – Member, Nominating Committee 4 – Member, Strategic Planning Committee C – Committee Chair N – Non-Voting Member