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Ultra Clean Holdings, Inc.

For the period ended Dec 26, 2025. Filed Feb 23, 2026.

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About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 23, 2026

UCTT$45.89+11.6%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Signatures

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized.

Ultra Clean Holdings, Inc.
By:/S/ JAMES XIAO
James Xiao
Chief Executive Officer

Date: February 23, 2026

KNOW ALL PERSONS BY THESE PRESENTS , that each person whose signature appears below constitutes and appoints James Xiao and Sheri Savage, and each of them, as his or her true and lawful attorneys-in-fact and agents, with full power of substitution and re-substitution, for him or her in any and all capacities, to sign any and all amendments to this Annual Report on Form 10-K and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission hereby ratifying and confirming that each of said attorneys-in-fact and agents, or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this Report has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated.

SignatureTitleDate
/S/ CLARENCE L. GRANGERChairmanFebruary 23, 2026
Clarence L. Granger
/S/ JAMES XIAOChief Executive Officer and Director(Principal Executive Officer)February 23, 2026
James Xiao
/S/ SHERI SAVAGEChief Financial Officer(Principal Financial Officer)February 23, 2026
Sheri Savage
/S/ BRIAN E. HARDINGChief Accounting Officer(Principal Accounting Officer)February 23, 2026
Brian E. Harding
/S/ THOMAS T. EDMANDirectorFebruary 23, 2026
Thomas T. Edman
/S/ DAVID T. IBNALEDirectorFebruary 23, 2026
David T. IbnAle
/S/ EMILY M. LIGGETTDirectorFebruary 23, 2026
Emily M. Liggett
/S/ ERNEST E. MADDOCKDirectorFebruary 23, 2026
Ernest E. Maddock
/S/ JACQUELINE A. SETODirectorFebruary 23, 2026
Jacqueline A. Seto
/S/ JOANNE SOLOMONDirectorFebruary 23, 2026
Joanne Solomon
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.