HAYWARD, Calif., July 7, 2026 /PRNewswire/ -- Ultra Clean Holdings, Inc. (NASDAQ:UCTT), today announced the Company will release its second quarter 2026 financial results on Monday, August 3, 2026, after market close and will host a conference call and webcast the same day.

The call will take place at 1:45 p.m. PT and can be accessed by dialing 1-800-836-8184 or 1-646-357-8785. No passcode is required. A replay of the call will be available by dialing 1-888-660-6345 or 1-646-517-4150 and entering the confirmation code 68934#.

The Webcast will be available on the Investor Relations section of the Company's website at http://uct.com/investors/events/.

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.