MENLO PARK, CA, March 6, 2001 — Ultra Clean Technology (UCT), a leading supplier of gas delivery systems for semiconductor process equipment manufacturers and device makers, announced today that the company was recognized by Novellus Systems for the third consecutive year as a provider of outstanding service to the company.

At a recent meeting of Novellus' key suppliers, UCT received an "Outstanding Service Award." In addition, two UCT employees received special commendation for their individual efforts. Art Thompson, field service supervisor, and David Pfeiffer, field service engineer, were personally thanked for providing Novellus with exceptional service.

"I am very proud of all of the UCT employees who have made our success at Novellus possible," said Clarence Granger, President and Chief Operating Officer. "Clearly, Art and David personify the "whatever it takes" attitude that is a hallmark of our relationship with Novellus. They are a key customer, and we are honored to be a partner in their success. We appreciate Novellus' ongoing recognition of our efforts."

Founded in 1991, Ultra Clean Technology is headquartered in Menlo Park, California. The company provides innovative gas management solutions that assist the world's major capital equipment manufacturers to attain competitive advantage. UCT is widely recognized for design, engineering and manufacturing of "State of the World" TM gas delivery systems for semiconductor process equipment manufacturers and device makers.

For additional information, please see our website at www.uct.com