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Lam to Hold Analyst and Investor Meeting on July 11, 2006
June 22, 2006

FREMONT, Calif., June 22, 2006—Lam Research Corporation (NASDAQ: LRCX) today announced that it will hold an analyst and investor meeting on Tuesday, July 11, 2006 from 1:00 p.m. to 2:30 p.m. Pacific Time, in San Francisco, California, coinciding with SEMICON® West. The meeting will serve as a general update for analysts and investors on Lam's strategy and operations.

If you plan to attend the meeting, please register online at the Company's Web site at www.lamresearch.com. The meeting will also be accessible to the public via live webcast available on the Investors section of the Company's Web site. A webcast replay of the full meeting will be available for 90 days.

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 supplier of wafer fabrication equipment and services to the world's semiconductor industry. Lam's common stock trades on The NASDAQ National Market® 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@lamrc.com

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