Qimonda insolvency administrator increases quantified claim

Neubiberg, Germany – June 15, 2012 – The insolvency administrator of Qimonda AG has increased his request for payment (see our press release of 14 February 2012) in the lawsuit pending in the Munich District Court I over the alleged economic re-establishment of Qimonda AG. In his request for payment on the grounds of economic re-establishment the insolvency administrator is now seeking payment of at least approx. 3.35 billion Euro, plus interest. Furthermore, the insolvency administrator continues to base a substantial part of his alleged payment claims on so-called liability for impairment of capital (Differenzhaftung). With respect to further details, we refer to our press release dated 14 February 2012. D I S C L A I M E R This press release contains forward-looking statements about the business, financial condition and earnings performance of the Infineon Group. These statements are based on assumptions and projections resting upon currently available information and present estimates. They are subject to a multitude of uncertainties and risks. Actual business development may therefore differ materially from what has been expected. Beyond disclosure requirements stipulated by law, Infineon does not undertake any obligation to update forward-looking statements.

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.