Thomas Weber, Head of Corporate Communications, is to leave Infineon

Neubiberg, Germany – September 22, 2008 – Infineon Technologies AG (FSE/NYSE: IFX) today announced that Head of Corporate Communications Thomas Weber is to leave Infineon Technologies by mutual agreement and on amicable terms on September 30, 2008. Weber has headed global communications at Infineon since 2006. The Supervisory Board and the Management Board have both expressed their gratitude for his outstanding services to the company.

About Infineon Infineon Technologies AG, Neubiberg, Germany, offers semiconductor and system solutions addressing three central challenges to modern society: energy efficiency, communications, and security. In the 2007 fiscal year (ending September), the company reported sales of Euro 7.7 billion (including Qimonda sales of Euro 3.6 billion) with approximately 43,000 employees worldwide (including approximately 13,500 Qimonda employees). With a global presence, Infineon operates through its subsidiaries in the U.S. from Milpitas, CA, in the Asia-Pacific region from Singapore, and in Japan from Tokyo. Infineon is listed on the Frankfurt Stock Exchange and on the New York Stock Exchange (ticker symbol: IFX).