Cymer to Present at Upcoming Investor Conference

Cymer, Inc. (Nasdaq: CYMI), the market’s leading developer of light sources used to pattern advanced semiconductor chips, announced today that the company will provide a live webcast of its presentation at the Annual Needham Growth Stock Conference on January 7, 2009 at 11:30 am EST.

Interested parties may view presentation slides and listen to the presentation through a live audio webcast by accessing the investor relations page at www.cymer.com. A replay of each webcast will be available for 15 days.

About Cymer

Cymer, Inc. is the market leader in developing deep ultra-violet (DUV) laser light sources, used by chipmakers worldwide to manufacture advanced semiconductor chips. Headquartered in San Diego, Calif., Cymer supports its customers from approximately two dozen global offices. Its light sources have been widely adopted by the world’s top chipmakers and the company’s installed base comprises more than 3,250 systems. Continuing its legacy of leadership, Cymer is currently pioneering the industry’s transition to extreme ultra-violet (EUV) lithography, the next viable step on the technology roadmap for the creation of smaller, faster chips. In 2007, Cymer was named one of the “100 Fastest Growing Tech Companies” in the world by CNN Money/Business 2.0. Further information may be obtained from the company’s SEC filings, or by visiting www.cymer.com.