SAN DIEGO--(BUSINESS WIRE)--Jan. 13, 2004--Cymer, Inc. (Nasdaq NM:CYMI), the world's leading supplier of excimer light sources used in semiconductor manufacturing, today announced that the company will provide a live audio webcast with a slide presentation to discuss fourth quarter 2003 results on Tuesday, January 27, 2004 at 2:00 p.m. PST.

The live webcast will be available on the Investor Relations page of Cymer's Web site at www.cymer.com, and a replay of the webcast will be available via the Internet for 25 days following the conference call. Those preferring to listen to a recording on the phone may do so one hour after the conclusion of the live call until January 31, 2004, by calling either 800-633-8284 or 402-977-9140 and entering Passcode #21180091.

About Cymer

Cymer, Inc. is the world's leading supplier of excimer laser illumination sources, the essential light source for deep ultraviolet (DUV) photolithography systems. DUV lithography is a key enabling technology, which has allowed the semiconductor industry to meet the exacting specifications and manufacturing requirements for volume production of today's advanced semiconductor chips. Further information on Cymer may be obtained from the Company's SEC filings, the Internet at www.cymer.com or by contacting the company directly.

CONTACT: Cymer, Inc.
Terry Slavin, 858-385-5232 (Investor Relations)
Fax: 858-385-6090
Meggan Powers, 858-385-6327 (Media)
Fax: 858-385-6045

SOURCE: Cymer, Inc.