03.28.05


MENLO PARK, CA, March 28, 2005 Ultra Clean Holdings,
Inc. (Nasdaq: UCTT), a developer and supplier of critical subsystems
for the semiconductor capital equipment industry, today announced the
grand opening of Ultra Clean Technology's (UCT) new manufacturing
plant in Shanghai, China. Located in the Kangqiao Industrial Zone,
Pudong, Shanghai, the 52,000 square foot facility, includes 5,500 square
feet dedicated to Class 100 and Class 1000 cleanrooms plus an additional
30,000 square feet of warehouse space to facilitate future expansion.
The company has additional manufacturing facilities in Menlo Park, CA
(Corporate Headquarters); Austin, TX and a facility in Tualatin, OR near
Portland.
The grand opening reception and traditional ribbon-cutting ceremonies
were held on March 18 and were presided over by UCT's president
and chief executive officer, Clarence Granger. Guests of note that attended
the ribbon-cutting included: Mr. Dong Tao, Assistant Director and Supervisor
of the Overseas Department of Shanghai Municipal Foreign Investment Development
Board; Mr. Sheng Baoshan, Vice Director of Administration Commission
of Kangqiao Industrial Zone; Mr. Pan Xiangsheng, Deputy General Manager
of Kangqiao Industrial Zone and Mr. Keith Cheung, Managing Director of
UCT China. After the ceremony, guests enjoyed an opportunity to tour
the facility.
Following the opening ceremonies, a banquet was held at the St. Regis
Hotel featuring the introduction of guests. Keynote speeches were presented
by Mr. Clarence Granger, Mr. Yu Jianming, Deputy Secretary General of
Shanghai Foreign Economic Relations and Trade Commission and Mr. Chen
Ce, Secretary of CPC Nanhui District Committee. As part of his comments,
Mr. Granger noted, "It was clear to us that to capture additional
outsourcing opportunities in the semiconductor subassembly manufacturing
and integration business, we needed to locate where those opportunities
currently exist and are likely to expand. We believe that opening this
facility in Shanghai will allow us to serve current customers more effectively
and position our company favorably for developing new customers
in the Asia Pacific market."
The UCT China facility is devoted to the manufacture of gas delivery
systems and other major modules and subsystems found in semiconductor
process tools. The Shanghai facility, which opened its doors in November
2004 and shipped its first product on February 4, 2005 following an
extensive manufacturing training program. Approximately 45 employees
are currently on staff in manufacturing, materials, quality assurance,
and general administration positions. Preparations for ISO Certification
commenced in January 2005. ISO 9000:2000 Certification for this
new facility is anticipated in Q3 2005.
Ultra Clean Holdings, Inc. is a developer and supplier of critical subsystems
for the semiconductor capital equipment industry, focusing on gas delivery
systems. Ultra Clean offers its customers a complete outsourced solution
for gas delivery systems, 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. The Company is headquartered in
Menlo Park, California. Additional information is available at www.uct.com.
The foregoing information contains, or may be deemed to contain, "forward-looking
statements" (as defined in the U.S. Private Securities Litigation
Reform Act of 1995) which reflect our current views with respect to future
events. All forward-looking statements address matters that involve
risks and uncertainties. Accordingly, you should not rely on forward-looking
statements, as there are or will be important factors that could cause
our actual results, as well as those of the markets we serve, levels
of activity, performance, achievements and prospects to differ materially
from the results predicted or implied by these forward-looking statements.
These risks, uncertainties and other factors include, among others, those
identified in "Risk Factors," "Management's Discussion
and Analysis of Financial Condition and Results of Operations" and
elsewhere in our S-1 registration statement and Form 10-Q's filed with
the Securities and Exchange Commission. Ultra Clean Holdings, Inc. undertakes
no obligation to publicly update or review any forward-looking statements,
whether as a result of new information, future developments or otherwise.