HAYWARD, Calif., Aug. 10, 2026 /PRNewswire/ -- Ultra Clean Holdings, Inc. (NASDAQ:UCTT), today announced its participation at the following investor conferences:

August 11, 2026: Oppenheimer 29th Annual Technology, Internet & Communications Conference.

August 19, 2026: 7th Annual Needham Virtual Semiconductor & SemiCap 1x1 Conference.

UCT will host one-on-one meetings only.

About Ultra Clean Holdings, Inc.

Ultra Clean Holdings, Inc. is a leading developer and supplier of critical subsystems, components, 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 Bennetto

SVP Investor Relations

rbennetto@uct.com

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SOURCE Ultra Clean Holdings, Inc.