Infineon terminates contract with CFO - Peter J. Fischl takes over as CFO and Labor Director as an interim measure

Neubiberg, Germany – August 06, 2007 – With immediate effect, the Supervisory Board of Infineon Technologies AG (FSE/NYSE: IFX) released Rüdiger A. Günther, Chief Financial Officer and Labor Director, from his positions. The Supervisory Board has asked Peter J. Fischl to assume the positions of CFO and Labor Director at Infineon as an interim measure. The Supervisory Board decided to release Günther from his positions due to irreconcilable differences and immediately initiated the contract termination. Günther was appointed a member of the Board in April 2007 and became both CFO and Labor Director in May 2007. He originally succeeded Peter J. Fischl, who held the two positions until his retirement in May 2007.

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 fiscal year 2006 (ending September), the company achieved sales of Euro 7.9 billion (including Qimonda sales of Euro 3.8 billion) with approximately 42,000 employees worldwide (including approximately 12,000 Qimonda employees). With a global presence, Infineon operates through its subsidiaries in the US 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).