-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, B5wKKhEfQKLM8GsFFWQSg9RvQf4h8egTBWuX6eYY2u6P4sMa7czYa63mhD24l7s6 m3aH5HfZSJg3vFVbFwgsgA== 0000950103-06-001727.txt : 20060707 0000950103-06-001727.hdr.sgml : 20060707 20060707181749 ACCESSION NUMBER: 0000950103-06-001727 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20060629 FILED AS OF DATE: 20060707 DATE AS OF CHANGE: 20060707 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ULTRA CLEAN HOLDINGS INC CENTRAL INDEX KEY: 0001275014 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 611430858 FISCAL YEAR END: 1231 MAIL ADDRESS: STREET 1: 150 INDEPENDENCE DRIVE CITY: MENLO PARK STATE: CA ZIP: 94025 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Leonid & Inna Mezhvinsky as Trustees of the Revocable Trust Agreement of Leonid Mezhvinsky & Inna Mezhvinsky, Dated April 26, 1988 CENTRAL INDEX KEY: 0001367757 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 000-50646 FILM NUMBER: 06952193 BUSINESS ADDRESS: STREET 1: 10 HAMPTON COURT CITY: HILLSBOROUGH STATE: CA ZIP: 94010 BUSINESS PHONE: 650-342-7364 MAIL ADDRESS: STREET 1: 10 HAMPTON COURT CITY: HILLSBOROUGH STATE: CA ZIP: 94010 3 1 dp03030_3ex.xml X0202 3 2006-06-29 0 0001275014 ULTRA CLEAN HOLDINGS INC UCTT 0001367757 Leonid & Inna Mezhvinsky as Trustees of the Revocable Trust Agreement of Leonid Mezhvinsky & Inna Mezhvinsky, Dated April 26, 1988 ULTRA CLEAN HOLDINGS, INC. 150 INDEPENDENCE DRIVE MENLO PARK CA 94025 0 0 1 0 Common Stock 1793860 D /s/ Leonid Mezhvinsky 2006-06-29 EX-24 2 ex-24.htm

Exhibit 24

POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and appoints each of Clarence L. Granger, Jack Sexton and Bill Roeschlein as the undersigned’s true and lawful attorneys-in-fact to:

     (1) execute for and on behalf of the undersigned, in the undersigned’s capacity as a reporting person pursuant to Section 16 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the rules thereunder of Ultra Clean Holdings, Inc. (the “Company”), Forms 3, 4 and 5 in accordance with Section 16(a) of the Exchange Act;

     (2) do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Form 3, 4 or 5 and timely file such form with the United States Securities and Exchange Commission and stock exchange or similar authority; and

     (3) take any other action of any type whatsoever in connection with the foregoing which, in the opinion of any of such attorneys-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by any of such attorneys-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as any of such attorneys-in-fact may approve in the discretion of any of such attorneys-in-fact.

The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that any of such attorneys-in-fact, or the substitute or substitutes of any of such attorneys-in-fact, shall lawfully do or cause to be done by virtue of this Power of Attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned’s responsibilities to comply with Section 16 of the Exchange Act.

This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4 and 5 with respect to the undersigned’s holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 29 day of June, 2006.

Signature:	/s/ Leonid Mezhvinsky

Print Name:	Leonid Mezhvinsky as Trustee of the Revocable Trust Agreement of Leonid Mezhvinsky and Inna Mezhvinsky dated April 26, 1988

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