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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1275014	Ultra Clean Holdings Inc.	UCTT	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1227050	E Ernest Maddock	Ultra Clean Holdings, Inc. 26462 Corporate Ave Hayward CA 94545		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2025-03-07	10,000	$24.29	11,000	No	4	P	Indirect	by Trust

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	by Trust

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	37,043	Direct

Footnotes

1,000 shares of UCT common stock were previously reported as direct holdings by the reporting person and have been held indirectly by the reporting person through the Maddock 2000 Trust, for which the reporting person is a Trustee.
On March 7, 2025, the reporting person acquired 10,000 shares of UCT common stock through the Maddock 2000 Trust. The reporting person is trustee of the trust, and the reporting person and members of his family are the sole beneficiaries of the trust. The reporting person remains the beneficial owner of the securities held by the trust.