Lam Research Corporation Announces Date for Releasing June Quarter Financial Results
June 28, 2006

FREMONT, Calif., June 28 2006—Lam Research Corporation (NASDAQ: LRCX) today announced it will release the June 2006 quarter financial results on Wednesday, July 19, 2006. Management's quarterly company update will be held on July 19, beginning at 2:00 p.m. Pacific Time.

Attend by Telephone
Dial 303/262-2075 approximately 10 minutes prior to the start of the meeting and an operator will connect you to the conference call.

Attend by Internet
To access the webcast, visit the Investors section of Lam's web site at and select the Calendar/Webcasts button to view the details.

Replay Information
A webcast replay will be available on the Lam web site for 90 days.

Contact Information
Lam Investor Relations Department,, 510/572-2106.

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 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 National Market® under the symbol LRCX. Lam is a NASDAQ-100® company. The Company's World Wide Web address is

Lam Research Corporation Contact:
Julie Cimino, Investor Relations, phone: 510/572-1615, e-mail: