PR Newswire | Aug 23, 2021 08:31AM EDT

08/23 07:30 CDT

Ultra Clean Announces Participation in Upcoming Investor Conferences HAYWARD, Calif., Aug. 23, 2021

HAYWARD, Calif., Aug. 23, 2021 /PRNewswire/ -- Ultra Clean Holdings, Inc. (Nasdaq: UCTT), today announced its participation at the following conferences in the third quarter:

* August 24, 2021: Needham Virtual 2nd Annual SemiCap and EDA ConferenceFormat: 1X1 only

* September 9, 2021: Colliers 2021 Institutional Investor ConferenceFormat: 1X1 only

The presentation material utilized for the conferences is available on the investor relations page of UCT's website at ir.uct.com.

About Ultra Clean Holdings, Inc.Ultra Clean Holdings, Inc. is a leading developer and supplier of critical subsystems, components and parts, and ultra-high purity cleaning and analytical services primarily for the semiconductor industry. Under its Products division, UCT offers its customers an integrated outsourced solution for major subassemblies, improved design-to-delivery cycle times, design for manufacturability, prototyping, and high-precision manufacturing. Under its Services Division, UCT offers its customers tool chamber parts cleaning and coating, as well as micro-contamination analytical services. Ultra Clean is headquartered in Hayward, California. Additional information is available at www.uct.com.

Contact:Rhonda BennettoSVP Investor Relations(250) 370-9030rbennetto@uct.com

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SOURCE Ultra Clean Holdings, Inc.