Ultra Clean Announces Participation in the Midtown CAP Summit Investor Conference

HAYWARD, Calif., Dec. 4, 2012

The company will post the presentation materials used at the conference on its website. Interested parties may access the presentation via the Company's website at www.uct.com.

Midtown CAP Summit

The event is hosted by executive management from the following participating companies: Aehr Test Systems (NASDAQ: AEHR), Brooks Automation (NASDAQ: BRKS), Cohu (NASDAQ: COHU), ESI (NASDAQ: ESIO), inTEST (NASDAQ:INTT), Intevac (NASDAQ: IVAC), LTX-Credence Corporation (NASDAQ: LTXC), Rudolph Technologies (NASDAQ: RTEC), Ultra Clean Technology (NASDAQ: UCTT) and Ultratech (NASDAQ: UTEK) and will feature a "round-robin" format consisting of small group meetings, each 25 minutes in duration.

The Midtown CAP Summit is by invitation only and is open to accredited investors and publishing research analysts.  As space is limited, please RSVP early. Hosts reserve the right to limit attendance as necessary. Last day for registration is November 30.

To RSVP for the Midtown CAP Summit, please contact the event's co-chairs:

Laura J. Guerrant-Oiye  ARIVA.DE Börsen-Geflüster Kurse Aehr Test Systems 11,14 $ -2,54% Azenta 51,60 $ -1,73% Cohu 29,45 $ +0,58% Electro Scientific Industries -   0,00% Intest 10,08 $ -0,10% Intevac 4,15 $ -0,48% LTX-Credence Corp -   0,00% Rudolph Technologies -   0,00% Ultra Clean Holdings 44,16 $ -0,92% Ultratech -   0,00%	Claire E. McAdams
Guerrant Associates	Headgate Partners LLC
Phone:  (808) 882-1467	Phone:  (530) 265-9899
Email:  lguerrant@guerrantir.com	Email:  claire@headgatepartners.com

SOURCE Ultra Clean Holdings, Inc.