Lam Research Corporation

Lam Research Announces December Quarter Conference Call

FREMONT, Calif., January 15, 2009—Lam Research Corporation (NASDAQ: LRCX) announced today it will host its quarterly conference call on Wednesday, January 28, beginning at 2:00 p.m. Pacific Time.

Webcast To access the webcast, visit the Investors section of Lam's web site at
http://www.lamresearch.com and select the Calendar/Webcasts button to
view the details.
Replay Information A webcast replay will be available on the Lam Research web site for 90
days.
Contact Information Lam Research Investor Relations Department
investor.relations@lamresearch.com, 510/572-1615

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 E-mail Alerts button and 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. For more information, visit http://www.lamresearch.com.

Lam Research Corporation Contact:
Carol Raeburn, Senior Director, Investor Relations
phone: 510/572-4450, e-mail: carol.raeburn@lamresearch.com