Cymer Inc. was founded in 1986 and is headquartered in San Diego, California. Cymer, Inc., is a supplier of light sources used in the photolithography process for semiconductor or chip, manufacturing. The Company provides sources designed to help enable the performance of edge wafer steppers and wafer scanners built by its lithography tool manufacturers. It also supplies deep ultraviolet (DUV) light sources to each of lithography tool manufacturer customers ASML, Canon and Nikon, who integrate the light source into their wafer steppers and scanners which they then provide to chipmakers. The Company’s wholly owned operating subsidiaries: Cymer Japan, Inc. (Cymer Japan), Cymer Singapore Pte. Ltd. (Cymer Singapore), Cymer B.V. in the Netherlands (Cymer B.V.), Cymer Southeast Asia, Ltd., in Taiwan (Cymer SEA), Cymer Semiconductor Equipment Shanghai Co., Ltd., China (Cymer PRC) and Cymer Korea, Inc. (Cymer Korea). As of December 31, 2008, the Company’s installed base of light sources totaled 3,374 light sources.