November 29, 2004

Gigaphoton Announces Complete Website Renewal
Reborn as a Powerful Tool to Enhance Communication with Users

Oyama-shi, Tochigi-ken, Japan—November 29, 2004 — Gigaphoton Inc. (Headquarters: Oyama-shi, Tochigi-ken, Japan; President and Representative Director: Dr. Yuji Watanabe, http://www.gigaphoton.com/), a major lithography light source manufacturer for the global semiconductor industry, today announced the total renewal of its website. The renewed website offers expanded content and improved capability to provide essential information for users. It features corporate data, product information, customer support information, technology proposals, a frequently asked questions (FAQ) section, and an online inquiry form by which users can easily contact the company.

In conjunction with the renewal of the website, Gigaphoton has created a new corporate slogan, "Beam To The Future," to clarify its corporate identity in the semiconductor industry. Gigaphoton is striving to achieve formation of finer device patterns with its lithography light source technologies by working closely with the users of its equipment. Gigaphoton has also redefined its mission statement to declare its corporate responsibility inside and outside the company: "Our mission is to drive innovation in photolithography and contribute to development of the global semiconductor industry in order to create an international community of happiness and peace. Aiming at this goal, we strive daily to provide and support the light source technologies that can best meet each user’s needs."

"We at Gigaphoton have been extremely sensitive about sending messages, such as announcements of our contribution to our users, outside the company," commented Dr. Yuji Watanabe, Gigaphoton’s President and Representative Director. "But, with this renewal, we believe that we can fully utilize our website as a powerful tool to enhance communication with our users"

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About Gigaphoton
Gigaphoton Inc. was founded in 2000 as a joint venture of Komatsu Ltd., the world’s No. 2 construction machinery manufacturer, and Ushio Inc., the world’s No.1 lithography lamp manufacturer. Since then, Gigaphoton has been developing and marketing user-friendly, highly innovative laser light sources to make a great contribution to lithography technology to meet the stringent requirements of the ultra-fine circuit patterns required for the Gigabit era, and delivering them to major lithography tool suppliers in the global semiconductor industry. Gigaphoton has already grown to dominate the Asian market including Japan with a large number of installed bases of most of major semiconductor device manufacturers in this region as the No.2 excimer laser light source manufacturer in the world, and continues to enjoy rapid growth in the US and European markets.

The company name and logo are the trademarks of Gigaphoton, Inc. The content of this release may be changed without prior notice. Gigaphoton shall not be liable for updating or announcing a correction if the content of this release is changed for any reason in the future.

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