Diodes Incorporated to Present at Roth Capital Partners New York Conference

WESTLAKE VILLAGE, Calif.--Sept. 5, 2003--Diodes Incorporated , a leading manufacturer and supplier of high-quality discrete semiconductor products, announced today that the Company's Chief Financial Officer, Carl Wertz, is scheduled to speak at the Roth Capital Partners New York Conference at 4:00 pm EDT on Tuesday, September 9.

The Roth Capital Partners New York Conference, scheduled for September 9-10, 2003, at the St. Regis New York City, provides a concentrated two-day program where Institutional Investors can meet the executives of approximately 80 promising small cap growth companies picked by Roth Capital Partners' research team. The New York conference will highlight companies from Health Care, Consumer Products, Technology and Financial Services industry groups.

The presentation will be available to all interested parties at the Investors section on Diodes' web site, www.diodes.com.

About Roth Capital Partners, LLC

With corporate headquarters in Newport Beach, California, and offices in strategic locations in the Western United States, Roth Capital Partners, LLC is a full service investment bank serving corporate and institutional clients throughout the world. Offering a wide array of investment banking services including: initial public offerings, follow-ons, PIPEs, private placements, mergers and acquisitions, investment research, and institutional sales and trading, the firm is perhaps best known for finding, funding and fostering the growth of emerging companies. Visit the Roth Capital Partners web site at www.rothcp.com.

About Diodes Incorporated

Diodes Incorporated is a leading manufacturer and supplier of high-quality discrete semiconductor products, serving the communications, computer, industrial, consumer electronics and automotive markets. The Company operates three Far East subsidiaries, Diodes-China (QS-9000 and ISO-14001 certified) in Shanghai, Diodes-Taiwan (ISO-9000 certified) in Taipei, and Diodes-Hong Kong. Diodes-China's manufacturing focus is on subminiature surface-mount devices destined for wireless devices, notebook, flat panel display, digital camera, mobile handset, set top box, DC-to-DC conversion, and automotive applications, among others. Diodes-Taiwan is our Asia-Pacific sales, logistics and distribution center. Diodes-Hong Kong covers sales, warehouse and logistics functions into mainland China. The Company's 5" wafer foundry, Diodes-FabTech (QS-9000 certified), specializes in Schottky products and is located just outside Kansas City, Missouri. The Company's ISO-9000 corporate sales, marketing, engineering and logistics headquarters is located in Southern California. For further information, visit the Company's web site at http://www.diodes.com.

Recent news releases, annual reports, and SEC filings are available at the Company's web site: http://www.diodes.com. Written requests may be sent to Investor Relations, Diodes Incorporated, 3050 E. Hillcrest Drive, Westlake Village, CA 91362, or they may be e-mailed to: diodes-fin@diodes.com.