X0304 4 2012-02-24 0001275014 ULTRA CLEAN HOLDINGS INC UCTT 0001283713 HAYWARD DEBORAH ULTRA CLEAN HOLDINGS, INC. 26462 CORPORATE AVE HAYWARD CA 94545 0 1 0 0 Vice President, Sales Common Stock 2012-02-24 4 A 0 11250 0 A 51771 D Common Stock 2012-02-26 4 F 0 3032 8.50 D 48739 D Restricted stock units vest over 3 years from the date of grant. Excludes performance restricted stock units that will be determined based on performance factors following 2012 fiscal year end. The total amount has been reduced by the number of performance units granted February 25, 2011 but subsequently partially forfeited because 65% of the award was earned based on the performance goals set for fiscal 2011. The award was originally reported at the maximum performance level on a Form 4 filed with the SEC on February 28, 2011. Represents shares withheld for payment of tax liability arising as a result of the partial settlement of four (4) restricted stock unit awards and performance stock awards originally reported by the reporting person in Forms 4 filed with the Commission on March 2, 2010 and February 28, 2011. /s/ Clarence Granger, as attorney-in-fact 2012-02-27