Ultra Clean Holdings, Inc.

Safe Harbor Statement

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 and financial performance. We use words such as “anticipates,” “projection,” “outlook,” “forecast,” “believes,” “plan,” “expect,” “future,” “intends,” “may,” “will,” “estimates,” “see,” “predicts,” “should,” and similar expressions to identify these forward‑looking statements. Forward‑looking statements included in this press release include our expectations about the semiconductor capital equipment market and outlook. All forward‑looking statements address matters that involve risks and uncertainties. Accordingly, the Company’s actual results may differ materially from the results predicted or implied by these forward‑looking statements. These risks, uncertainties, and other factors also include, among others, those identified in “Risk Factors,” “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” and elsewhere in our annual report on Form 10‑K for the year ended December 26, 2025, as 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 unless required by law.