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NOVELLUS ANNOUNCES AVAILABILITY AND TIMING OF MID-QUARTER UPDATE CONFERENCE CALL WEBCAST FOR SECOND QUARTER 2008
May 15, 2008

SAN JOSE, Calif., May 15, 2008-Novellus Systems, Inc. (Nasdaq NM: NVLS), today announced that it will provide its mid-quarter update for the second quarter 2008 in a conference call to be held Thursday, May 29, 2008, beginning at 1:30 p.m. PDT. The call will be available via an audio webcast that can be accessed on Novellus' Investor Relations home page, located at www.novellus.com/. A replay of the webcast will be available for seven days following the conference call.

About Novellus:

Novellus Systems, Inc. (Nasdaq: NVLS) is a leading provider of advanced process equipment for the global semiconductor industry. The company's products deliver value to customers by providing innovative technology backed by trusted productivity. An S&P 500 company, Novellus is headquartered in San Jose, Calif. with subsidiary offices across the globe. For more information please visit www.novellus.com.

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