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Lam Research Corporation Announces Live Webcast of Upcoming Investor Conference
January 25, 2007

FREMONT, Calif., January 25, 2007—Lam Research Corporation (NASDAQ: LRCX) today announced that the Company's presentation at the Thomas Weisel Partners Technology Conference, scheduled for 3:15 p.m. PST on February 5, 2007, will be available to the public via webcast.

The live webcast and replay can be accessed from Lam's web site at www.lamresearch.com. A replay of the webcast will be available for two weeks.

The date and time are subject to change. Please visit the Investors section of Lam's web site and select the Calendar/Webcasts button to view the latest presentation schedule, or select the Email Alerts button to register your email address to receive automated notifications of upcoming webcasts, news releases, and SEC filings.

Lam Research Corporation is a major provider of wafer fabrication equipment and services to the world's semiconductor industry. Lam's common stock trades on The NASDAQ Global Select MarketSM under the symbol LRCX. Lam is a NASDAQ-100® company. The Company's World Wide Web address is http://www.lamresearch.com.

Lam Research Corporation Contact:
Julie Cimino, Investor Relations, phone: 510/572-1615, e-mail: julie.cimino@lamresearch.com

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