March 18, 2011

TOKYO, Japan, March 18, 2011 — Renesas Electronics Corporation (TSE: 6723) has announced the impact of the earthquake in northern Japan on March 11, on Renesas Electronics Group (“the Group”) manufacturing sites and its response to the planned blackouts. The Group intends to add details of the impact from the earthquake to its financials when confirmed information is available.

[Status of Renesas Electronics Group's factories (as of March 18, 2011, 12:00 p.m)]

Factory City/ Prefecture Operational Status and Status of Electric Power Supply Status of the investigation
1 Renesas Northern Japan Semiconductor, Inc., Tsugaru Factory (Front-end line) Goshogawara-shi, Aomori Preparing to begin startup procedures to restart its manufacturing Began startup procedures of its utilities, Plan to begin startup procedures of its manufacturing equipment sequentially
2 Renesas Yamagata Semiconductor Co., Ltd., Tsuruoka Factory (Front-end line) Tsuruoka-shi, Yamagata Preparing to begin startup procedures to restart its manufacturing Began startup procedures to restart its manufacturing
3 Renesas Electronics Corporation, Naka Factory (Front-end line) Hitachinaka-shi, Ibaraki Temporarily shutting production Plan to restore part of its electricity and then to assess the status of inside the clean room, after the investigations of the in-plant electrical substation systems are completed
4 Renesas Electronics Corporation, Takasaki Factory (Front-end line) Takasaki-shi, Gunma Preparing to begin startup procedures to restart its manufacturing Plan to begin startup procedures to restart its manufacturing after the planned blackout is terminated
5 Renesas Electronics Corporation, Kofu Factory (Front-end line) Kai-shi, Yamanashi Preparing to begin startup procedures to restart its manufacturing Plan to begin startup procedures to restart its manufacturing after the planned blackout is terminated
6 Renesas High Components, Inc. (Back-end line) Tsuruta-cho, Aomori Preparing to begin startup procedures to restart its manufacturing Began startup procedures to restart its manufacturing
7 Renesas Northern Japan Semiconductor, Inc., Yonezawa Factory (Back-end line) Yonezawa-shi, Yamagata Began startup procedures to restart its manufacturing Plan to restart its manufacturing from March 19 during the time when the planned blackout is not implemented
8 Renesas Eastern Japan Semiconductor, Tokyo Device Division (Back-end line) Oume-shi, Tokyo Restarted part of its manufacturing Restarted part of its manufacturing during the time when the planned blackout is not implemented, however, plan to temporarily shut production on March 19 and 20 due to the planned blackouts that are scheduled to be implemented twice a day

The content in the press release, including, but not limited to, product prices and specifications, is based on the information as of the date indicated on the document, but may be subject to change without prior notice.