Lam Research Corporation

NOVELLUS ANNOUNCES AVAILABILITY AND TIMING OF MID-QUARTER UPDATE CONFERENCE CALL WEBCAST FOR THIRD QUARTER 2001

San Jose, Calif. -- Aug. 14, 2001 -- Novellus Systems, Inc. (Nasdaq:NVLS), the productivity and innovation leader in advanced deposition and surface preparation processes for the global semiconductor industry, today announced that it will provide its mid-quarter update for the third quarter 2001 in a conference call to be held Thursday, Aug. 30, beginning at 1:30 p.m. PDT. The call will be available to interested listeners via an audio webcast that can be accessed via the Novellus home page, located at www.novellus.com . The replay of the call will be available on the Novellus home page for seven days following the conference call.

About Novellus Systems:
Novellus Systems Inc., an S&P 500 company, manufactures, markets and services advanced deposition and surface preparation equipment for today's advanced integrated circuits. The companyƕs products are designed for high-volume production of advanced, leading-edge semiconductor devices at the lowest possible cost. Headquartered in San Jose, Calif., with subsidiaries throughout the U.S. as well as the United Kingdom, France, Germany, The Netherlands, Spain, Ireland, Israel, Italy, China, Japan, Korea, Singapore and Taiwan. Novellus is a publicly traded company on the Nasdaq stock exchange (Nasdaq: NVLS) and a component of the Nasdaq-100 Index®. Additional information about the company is available on Novellus' home page at www.novellus.com.