Media Contacts: Japan Kyoko Okamoto Renesas Electronics Corporation + 81-3-6756-5555 kyoko.okamoto.sx@renesas.com Americas Denise Garibaldi Renesas Electronics America Inc. + 1 (408) 588-6620 denise.garibaldi@renesas.com America Raj Johal Telefunken Semiconductors + 1(408) 538-3800 rjohal@telefunkensemi.com Renesas Electronics to Sell its U.S. Semiconductor Wafer Fabrication Facility to TELEFUNKEN Semiconductors TOKYO, Japan, and Heilbronn, Germany, March 31, 2011—Renesas Electronics Corporation (TSE: 6723), a premier supplier of advanced semiconductor solutions, and TELEFUNKEN Semiconductors GmbH & Co. KG, an automotive-qualified, mixed-signal, high-voltage (HV) power management and SOI-based manufacturer, today announced that they have signed an agreement under which Renesas Electronics America Inc. will sell its semiconductor wafer fabrication facility in Roseville, California, to TELEFUNKEN Semiconductors International LLC, a company that includes of TELEFUNKEN Semiconductors GmbH. The sale price is approximately 53 million U.S. dollars, and the closing for the sale is planned for May 2, 2011. Wafra Capital Partners L.P. and Somerset Capital Group Ltd. helped TELEFUNKEN finance and facilitate the transaction and ATREG Inc. advised Renesas throughout the transaction. As part of the strategies decided through its 100-Day Project announced on July 29, 2010, Renesas Electronics has been considering and implementing various measures to improve manufacturing efficiency by promoting larger wafers, finer process node, and production concentration. In line with these measures, the company decided to sell Renesas Electronics America’s facility in Roseville, California, to TELEFUNKEN Semiconductors International, which has been searching for a new manufacturing facility to expand its semiconductor business. TELEFUNKEN Semiconductors International intends to utilize the 200-millimeter (mm), eight-inch line at the Roseville factory to manufacture its own analog/mixed-signal, HV products and the products for its strategic foundry partners. TELEFUNKEN Semiconductors International also will enter into a supply agreement with Renesas Electronics for manufacturing services at the Roseville factory. Under this agreement, TELEFUNKEN Semiconductors International will focus on Renesas Electronics’ current customers without interruption for the same high-quality level of production and service at the Roseville facility. Renesas Electronics remains fully committed to meeting customers’ requirements through its Quality Assurance Center in Roseville to continue support of customers in the North American and European markets. Renesas to Sell its U.S. Eight-Inch Semiconductor Wafer Fabrication Facility to TELEFUNKEN Semiconductors Note: Refer to the addendum for an overview of the sale agreement of the Roseville factory. About Renesas Electronics Corporation Renesas Electronics Corporation (TSE: 6723), the world’s number one supplier of microcontrollers, is a premier supplier of advanced semiconductor solutions including microcontrollers, SoC solutions and a broad range of analog and power devices. Business operations began as Renesas Electronics in April 2010 through the integration of NEC Electronics Corporation (TSE:6723) and Renesas Technology Corp., with operations spanning research, development, design and manufacturing for a wide range of applications. Headquartered in Japan, Renesas Electronics has subsidiaries in 20 countries worldwide. More information can be found at www.renesas.com. About TELEFUNKEN Semiconductors GmbH & Co. KG TELEFUNKEN Semiconductors GmbH & Co. KG is a leading manufacturer of advanced Bi-CMOS, BCD, SiGe and SOI technologies, with its own product families in the fast-growing power management and interface segments. It also manufactures products for its strategic foundry partners worldwide. TELEFUNKEN Semiconductors has an automotive-qualified manufacturing facility in Heilbronn, Germany. More information can be found at www.telefunkensemi.com. ### 2 Renesas to Sell its U.S. Eight-Inch Semiconductor Wafer Fabrication Facility to TELEFUNKEN Semiconductors Addendum Overview of the Agreement for the Sale of the Renesas Electronics America Wafer Fab 1. Overview of the Sales Agreement 1.1 Assets to be transferred Approximately 590 employees, manufacturing equipment, land and facilities at Renesas Electronics America’s Roseville factory (Note) The Roseville factory is positioned as one of Renesas Electronics America’s divisions; therefore, the financial results of the Roseville factory will not be disclosed. 1.2 Sale price and method of payment The sale price is approximately 53 million U.S. dollars and will be paid in cash. 2. Impact on Renesas Electronics’ Financials Forecasts As a result of the transaction, an extraordinary loss of approximately 1.4 billion yen is expected to be recorded. However, Renesas Electronics will not change its consolidated forecast for the current fiscal year announced on January 28, 2011. 3. Overview of Renesas Electronics America Inc. Representative: Daniel Mahoney, President & CEO Location: Santa Clara, California, U.S.A. Established: February 1967 Operations: Sales, design and front-end manufacturing of semiconductor devices Employees: Approximately 435, excluding manufacturing (As of February 28, 2011) 4. 5. Overview of Renesas Electronics America’s Roseville Factory Location: Roseville, California, U.S.A. Representative: Gabe Kim, Vice President of Operations Operations: Front-end manufacturing of semiconductor devices Employees: Approximately 620 (As of February 28, 2011) Capacity: 5,700 8-inch wafers per month Overview of TELEFUNKEN Semiconductors GmbH & Co. KG Location: Heilbronn, Germany Representative: Subba Rao Pinamaneni, President & CEO 3 Renesas to Sell its U.S. Eight-Inch Semiconductor Wafer Fabrication Facility to TELEFUNKEN Semiconductors Operations: Sales, design, R&D, manufacturing of semiconductor devices Relationship with Renesas Electronics: None 6. Overview of TELEFUNKEN Semiconductors International LLC Location: San Jose, California, U.S.A. Representative: Subba Rao Pinamaneni, President & CEO Operations: Sales, design, R&D and manufacturing of semiconductor devices Relationship with Renesas Electronics: None Note: The purchasing entity in this agreement is TELEFUNKEN Semiconductors International LLC, a group company of TELEFUNKEN Semiconductors GmbH ### 4