UMC Vice Chairman Peter Chang Delivers Keynote Address at 2003 Semico Summit

Phoenix, Arizona, March 11, 2003 - Peter Chang, vice chairman at world-leading semiconductor foundry UMC, will deliver the keynote speech at the 2003 Semico Summit. The conference, held March 9-11, allows semiconductor industry executives to focus on pressing business and technology issues related to the industry. In his keynote, Chang will provide an outlook for the foundry industry and discuss drivers of foundry growth, the migration to 300mm production, and the effect new foundry entrants will have on the industry.

Peter Chang joined UMC in 1989 and is responsible for operations support as well as the company's Europe Business Group. He has overseen UMC's fab operations and the Quality Services Division, and was president of United Semiconductor Corporation (USC), one of UMC joint venture companies. Under his leadership, USC was widely acclaimed as the most technologically advanced and profitable foundry company in the world. He has also served as President and CEO of UMC.

Prior to joining UMC, Mr. Chang worked for companies including Hewlett-Packard, Zilog, Seeq Technology, and Paradigm Technology. He holds a master's degree in Electrical Engineering from the University of Texas at Austin, where he also did his doctoral studies. Mr. Chang's expertise is in process module development, process integration and fab operations.

The Association of Business Management in 1994 recognized Mr. Chang's achievements in the business world with the National Management Award for Outstanding Performance in Production. The Chinese Management Association awarded him the K. T. Lee Management Medal in 1998.

About the Semico Summit
The Semico Summit is hosted by Semico Research, a worldwide leader in semiconductor market analysis, research, and custom consulting. This annual event, now in its sixth year, is one of the most anticipated gatherings of semiconductor industry executives and is targeted at Presidents, CEOs and Vice-Presidents.

The Semico Summit is characterized by a series of high-impact panel discussions focused on the most pressing business and technology issues facing semiconductor industry executives. Panelists are selected from among the top executives at leading technology companies who have demonstrated vision, leadership and a track record of success.

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