Infineon Reaches Agreement to Settle Legal Dispute with Fairchild

Neubiberg, Germany – December 28, 2009 – Infineon Technologies AG (FSE: IFX / OTCQX: IFNNY) today announced it has settled a patent infringement lawsuit with Fairchild Semiconductor. Infineon initiated the lawsuit in November 2008 in the U.S. District Court for the District of Delaware. The patents in the suit and counter suit consisted of fourteen patents related to super-junction power transistors along with trench power MOSFETs and IGBT power transistors. The lawsuit has been settled through a broad patent cross license relating to semiconductor technology. As part of the agreement, Fairchild will make payments to Infineon. The specific terms and conditions of the agreement are confidential. Infineon and Fairchild will inform the U.S. District Court, District of Delaware, that they had reached a settlement and will file a stipulation of dismissal.  Infineon, a global leader in the semiconductor industry, is currently in patent licensing discussions with a number of semiconductor companies. Infineon views such discussions as essential to the continuing protection of its intellectual property and business interests.

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 2009 fiscal year (ending September), the company reported sales of Euro 3.03 billion with approximately 25,650 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 (ticker symbol: IFX) and in the USA on the over-the-counter market OTCQX International Premier (ticker symbol: IFNNY). Further information is available at www.infineon.com