Infineon Technologies Expands R&D Operations in Singapore to Serve Growing Demand in Energy Efficiency, Connectivity and Security

Singapore - April 18, 2007 - Infineon Technologies AG (FSE/NYSE: IFX), today announced the expansion of its Research & Development (R&D) activities in Singapore. This expansion will enable Infineon to better serve the growing demand for products in the energy efficiency, connectivity and security areas. The company will invest approximately Euro 200 million and add about 150 new positions in R&D in this expansion. With the expansion of the Singapore R&D center, Infineon will strengthen its development activities in next generation home-networking technologies, Customer Premises Equipment (CPE), Internet Access Devices (IAD), mobile phone platforms (ultra-low cost), Digital Video Broadcasting (DVB) for mobile-TV, digital power control for power management, microcontroller for automotive and industrial applications, process technologies for wafer fabrication and packaging, and Application Specific IC (ASIC) design. “Our strategic direction towards energy efficiency, connectivity and security demands customer-oriented R&D. Leading-edge products for these areas require technology innovation and breakthroughs. Over the upcoming years, we will expand our R&D activities globally as our customers and their applications require more diversity and variety. We will continue to strengthen our position as the technology enabler for our customers to take leading positions in their markets,” said Dr. Wolfgang Ziebart, President and CEO of Infineon Technologies. “This new R&D expansion in Singapore marks a significant step for Infineon in our growth in this region.” Established in 1991, the development center in Singapore provides IC and system development solutions in communication, automotive, industrial and security systems within this region. Today, Infineon has over 2,700 employees in Singapore of which more than 400 are R&D engineers. With the expansion, the R&D group will reach nearly 550 R&D engineers. The increase in headcount will be gradual over a three-year period to support the different phases of development.

About Infineon Infineon Technologies AG, Munich, Germany, offers semiconductor and system solutions addressing three central challenges to modern society including energy efficiency, mobility 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 San Jose, 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 http://www.infineon.com