SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549


FORM 8-K

     CURRENT REPORT
Pursuant To Section 13 Or 15(d) of
The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 9, 2007

ULTRA CLEAN HOLDINGS, INC.
(Exact Name of Registrant
as Specified in Charter)

Delaware
(State or Other Jurisdiction of Incorporation)

000-50646   61-1430858
(Commission File Number)   (IRS Employer Identification No.)
     
150 INDEPENDENCE DRIVE,    
MENLO PARK, CA   94025
(Address of Principal Executive Offices)   (Zip Code)

Registrant’s telephone number, including area code: (650) 323-4100

N/A
(Former Name or Former Address, if Changed Since Last Report)


     Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
   
o Soliciting material pursuant to Rule 14a-12(b) under the Exchange Act (17 CFR 240.14a-12(b))
   
o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
   
o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))






Item 5.02 Departures of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers

On Friday, February 9, 2007, Dipanjan Deb resigned from the board of directors (the “Board”) of Ultra Clean Holdings, Inc. (“Ultra Clean”).

As previously announced following the acquisition by Ultra Clean of Sieger Engineering, Inc. (“Sieger”) on June 29, 2006, and pursuant to the Amended and Restated Stockholders’ Agreement among Ultra Clean, FP-Ultra Clean, L.L.C. and the shareholders of Sieger, Leonid Mezhvinsky was nominated and elected to the Board effective Monday, February 12, 2007.






SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

    ULTRA CLEAN HOLDINGS, INC.
         
Date: February 12, 2007 By: /s/ Jack Sexton
 
 
      Name: Jack Sexton
      Title: Vice President and Chief Financial Officer