Infineon Files Annual Report with the SEC

Neubiberg, Germany – December 29, 2008 – Infineon Technologies AG (FSE/NYSE:IFX) has filed its annual report on Form 20-F for the 2008 financial year with the U.S. Securities and Exchange Commission. The report is available at the SEC’s website, www.sec.gov, as well as at the “Investor” section of the company's website at www.infineon.com. Shareholders of the company may receive a hard copy of the report free of charge upon request to the company’s Investor Relations department by email at investor.relations@infineon.com.

Infineon Technologies AG, Neubiberg, Germany, offers semiconductor and system solutions addressing three central challenges to modern society: energy efficiency, communications, and security. In the 2008 fiscal year (ending September), the company reported sales of Euro 4.3 billion with approximately 29,100 employees worldwide. 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). Infineon currently holds a 77.5 percent equity interest in Qimonda AG, a leading supplier of DRAM memory products. Qimonda is separately listed on the New York Stock Exchange under the ticker symbol “QI”.