UCT Announces Fourth Quarter 2016 Financial Results Release Date

HAYWARD, Calif., Feb. 9, 2017 /PRNewswire/ -- Ultra Clean Holdings, Inc. (Nasdaq: UCTT), a leading developer and supplier of critical systems and subsystems for the semiconductor capital equipment, flat panel, medical, energy and research industries, today announced the Company will release its fourth quarter and full year 2016 financial results on February 22, 2017 after market close and will host a conference call the same day.

The conference call will take place at 1:45 p.m. PT and can be accessed by dialing 1-844-826-3034 (toll-free) or 1-412-317-5179 (international). No passcode is required. An audio replay of the conference call will be made available approximately two hours after the call and will remain available for 7 days. The call-in numbers for the replay are 1-877-344-7529 (toll-free) or 1-412-317-0088 (international) and entering the confirmation code 10100095.

A live webcast of the conference call will also be available on the Investor Relations section of the Company's website at http://uct.com/investors/events/. A replay of the webcast will be available approximately two hours after the conclusion of the conference call and will remain available until the following quarter.

About Ultra Clean Holdings, Inc.

Ultra Clean Holdings, Inc. is a leading developer and supplier of critical systems and subsystems for the semiconductor capital equipment, flat panel, medical, energy and research industries. 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 for the semiconductor capital equipment, flat panel, medical, energy and research industries. Ultra Clean is headquartered in Hayward, California. Additional information is available at www.uct.com.

Contact:

Annie Leschin

(415) 775-1788

annie@streetsmartir.com

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SOURCE Ultra Clean Holdings, Inc.