Infineon Technologies revises outlook for Communications Solutions

Neubiberg, Germany – May 29, 2008 – Infineon Technologies today revised the outlook for its Communication Solutions segment due to lower volumes in certain wireless platform projects. Infineon now anticipates revenues in the third quarter of fiscal year 2008 to be about flat from the previous quarter. The company also expects that revised revenue outlook in combination with customization expenses associated with the ramp of new platforms should lead to a decline in EBIT excluding gains and charges from the previous quarter. The company anticipates revenues and EBIT to improve in the fourth quarter of fiscal year 2008 compared to the previous quarter.

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).Further information is available at www.infineon.com.