Infineon Receives Zero-Defect Quality Award from Toyota Hirose Plant for the Sixth Time

Neubiberg, Germany and Tokyo, Japan – May 30, 2012 – Infineon Technologies AG (FSE: IFX / OTCQX: IFNNY) today announced that Toyota Motor Corporation’s Hirose Plant has awarded Infineon its “Excellent Quality Award” for delivering outstanding product quality during 2011. This is the sixth time that Infineon has received a Toyota Zero-Defect quality award. The Hirose Plant develops and manufactures state-of-the-art electronic components for Toyota vehicles, and these awards recognize the outstanding quality of the CAN transceivers that Infineon has supplied for many years together with its ongoing commitment to delivering zero-defect quality. This is the fourth time that Infineon has received the “Excellent Quality Award”, awarded to suppliers who have delivered zero-defect quality in one year. In addition, Infineon received the 2009 “Best Quality Award” awarded to suppliers who have achieved zero defects for three years running and the 2010 “Honor Quality Award” awarded to suppliers who have achieved zero defects for four years running or longer. “To receive the ‘Excellent Quality Award’ from Toyota Motor Corporation’s Hirose Plant is a great honor for Infineon, and strengthens our confidence in our commitment to delivering zero-defect quality,” said Yasuaki Mori, President of Infineon Technologies Japan. “Our semiconductors play a key role in the electronization of vehicles and, as the leading supplier in the electric car market which is set to grow still further in the future, we will continue to strive to meet the exacting quality standards expected of us.” Toyota’s Hirose Plant awards five categories of Quality Awards to its suppliers each year: the “Honor Quality Award” (awarded to suppliers who have achieved zero defects for four years running or longer), the “Best Quality Award” (zero defects for three years running), the “Excellent Quality Award” (zero defects for one year), the “Superior Quality Award” (for one defect within the year) and the “Certificate of Appreciation” (for two defects within the year). Infineon is the world’s second largest automotive semiconductor supplier According to the latest report of the market research company Strategy Analytics, Infineon is the foremost non-Japanese supplier of automotive semiconductors in the Japanese market, with a market share of 3.8 percent. Globally, Infineon ranks number two in automotive semiconductors, with a 9.8 percent share of a market worth about US $23 billion in 2011. In Europe, which is the center of innovation in the field of automotive electronics, Infineon has remained the unchallenged market leader for many years, and currently has a market share of 14.7 percent. Information on Infineon’s automotive semiconductor product portfolio is available at www.infineon.com/automotive and on the company’s CAN transceivers at www.infineon.com/transceivers

About Infineon Infineon Technologies AG, Neubiberg, Germany, offers semiconductor and system solutions addressing three central challenges to modern society: energy efficiency, mobility, and security. In the 2011 fiscal year (ending September 30), the company reported sales of Euro 4.0 billion with close to 26,000 employees worldwide. 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.