12.11.06  Ultra Clean to Present at the Needham & Company 9th Annual Growth Conference

10.23.06  Ultra Clean Holdings Reports Record Third Quarter Revenue and Earnings Per Share

10.04.06  Ultra Clean to Announce Third Quarter 2006 Results

07.27.06  Ultra Clean Technology Selected as Partner by Mattson Technology, Inc.

07.24.06  Ultra Clean Holdings Reports 20% Sequential Revenue Growth

07.17.06  Ultra Clean to Announce Second Quarter 2006 Results

07.10.06  Ultra Clean Holdings, Inc. Announces SEMICON West Analyst and Investor Briefing

06.29.06  Ultra Clean Holdings, Inc. to Acquire Sieger Engineering, Inc.

05.03.06  Ultra Clean to Present at Piper Jaffray 8th Annual Technology Conference

05.03.06  Ultra Clean to Present at JPMorgan Technology Conference

04.24.06  Ultra Clean Holdings Reports 48% Sequential Revenue Growth on Record High First Quarter Sales

04.12.06  Ultra Clean to Announce First Quarter 2006 Results

03.09.06  Ultra Clean Announces Pricing Of Its Common Stock Offering

02.28.06  Ultra Clean and Certain Stockholders Launch Offering of 5.75 Million Shares of Common Stock

02.06.06  Ultra Clean Holdings Reports 41% Sequential Revenue Growth in Fourth Quarter

02.06.06  Ultra Clean and Certain Stockholders to Offer Six Million Shares of Common Stock

01.26.06  Ultra Clean to Announce Fourth Quarter 2005 Results