MENLO PARK, CA, APRIL 14 , 2008 / PRNewswirre / — Ultra Clean Holdings, Inc. (Nasdaq: UCTT), will release first quarter 2008 financial results on Monday, April 28, 2008 after markets close.

The Company will host a conference call to discuss first quarter 2008 financial results and management's outlook at 2:00 pm PST on Monday, April 28, 2008. The call-in number is 888/561-5097 (domestic) and 706/679-7569 (international).  A replay of the conference will be available for fourteen days following the call at 800/642-1687 (domestic) and 706/645-9291 (international).  The confirmation number for live broadcast and replay is 42484125 (all callers). 
Ultra Clean will also webcast the conference call live on our website at www.uct.com under Investor Relations.