Infineon’s Multimedia Phone Platform for GSM/GPRS Used in Latest Mobile Phones of Panasonic Mobile Communications

Munich, Germany – August 8, 2005 – Infineon Technologies AG (FSE/NYSE: IFX) today announced that its GSM/GPRS multimedia reference design platform has been selected by Panasonic Mobile Communications Co., Ltd. The MP1-G multimedia platform brings 3-band functionality, camera functionality, polyphonic-ring tones, color displays and Java capability to mid-range mobile phones. Featuring all hardware and software components required for camera-capable phones, the new MP1-G platform offers numerous benefits for mobile phone manufacturers with respect to time-to-market, functionality and adaptability. Infineon’s Multimedia Platform MP1-G: One of the Most Scalable and Complete System Solutions Available Today Infineon’s reference design platform - industry jargon for a working prototype of the electronics inside a mobile handset to facilitate development for mobile phone manufacturers - includes all hardware and software components required for handsets complying with the GSM900/1800 and GSM850/1900 standards. The MP1-G reference design platform features Infineon’s state-of-the-art GSM/GPRS chip hardware consisting of the baseband processor S-GOLDlite™ with integrated Java Accelerator, the CMOS single-chip radio frequency (RF) transceiver SMARTi SD and the power management chip SMPower1.6. The software part covers all required modules from lowest level through protocol stack and is rounded off by an additional software layer APOXI® (Application Programmable Object-Oriented Extendable Interface) enabling the mobile phone manufacturer to reuse software applications over several mobile phone generations or to easily adopt a mobile handset model to the menu navigation requirements of different operators or language needs of different regions. Panasonic Mobile Communications Co., Ltd., whose headquarters are based in Yokohama, Japan, is a worldwide leader in the development and manufacture of mobile communications products. As one of the main business domains for Matsushita Electric Industrial Co., Ltd., best known for its Panasonic brand digital electronics, Panasonic has been developing cutting edge technologies since its establishment in 1958, includ-ing the world's first 3G video handset for the Japanese market in 2001. Panasonic is committed in providing added-value solutions to end-users through its mobile communication products. For more information, please visit http://www.panasonic.co.jp/pmc/en Further information on Infineon’s multimedia reference platforms available at http://www.infineon.com/mobilesolutions

About Infineon Infineon Technologies AG, Munich, Germany, offers semiconductor and system solutions for automotive, industrial and multimarket sectors, for applications in communication, as well as memory products. 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. In fiscal year 2004 (ending September), the company achieved sales of Euro 7.19 billion with about 35,600 employees worldwide. Infineon is listed on the DAX index of the Frankfurt Stock Exchange and on the New York Stock Exchange (ticker symbol: IFX). Further information is available at http://www.infineon.com