12.11.07

ULTRA CLEAN APPOINTS DAVID SAVAGE PRESIDENT AND CHIEF OPERATING OFFICER

MENLO PARK, CA, DECEMBER 11, 2007 — Ultra Clean Technology (Nasdaq: UCTT) a leading developer and supplier of critical subsystems for the semiconductor capital equipment industry, announced the appointment of David Savage to the position of President and Chief Operating Officer, effective January 8, 2008.

Savage joins Ultra Clean with over 20 years of executive experience driving operational excellence and profitable growth in international, high technology companies by leveraging and enhancing core competencies and expanding market presence.

Clarence Granger, Ultra Clean's Chairman and CEO, welcomed Savage to Ultra Clean. "We are very pleased to have an executive of David's caliber lead our global operations. David's background and demonstrated ability to optimize operating performance in growth oriented companies is directly applicable to our needs and compliments our ongoing strategy."

Before joining Ultra Clean, Savage was CEO Officer of Litel Instruments, Inc., a semiconductor optical metrology business. Prior to Litel, he was the President, Electronics Division of Meggitt USA, Inc. where he led a division focusing on high performance sensors. Prior to Meggitt, he was the CEO at DigMedia, a media delivery business focused on broadband service providers.

In his new position Savage will report to Clarence Granger and will assume many of the responsibilities of Ultra Clean's current President, Leonard Mezhvinsky, who will be retiring effective December 31, 2007.

About Ultra Clean Holdings, Inc.
Ultra Clean Technology is a developer and supplier of critical subsystems for the semiconductor capital equipment industry. Ultra Clean offers its customers an integrated outsourced solution for gas delivery systems and other subassemblies, improved design-to-delivery cycle times, component neutral design and manufacturing and component testing capabilities. Ultra Clean's customers are primarily original equipment manufacturers of semiconductor capital equipment. Ultra Clean is headquartered in Menlo Park, California. Additional information is available at www.uct.com.

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