HAYWARD, CA, OCTOBER 23, 2008 / PRNewswire-FirstCall / — Ultra Clean
Technology (Ultra Clean Holdings, Inc. - (Nasdaq: UCTT)), a leading developer and supplier of critical subsystems for the semiconductor capital equipment, flat panel, solar and medical device industries, announced today it has entered into a partnership agreement with Cascade Microtech, Inc. (Nasdaq: CSCD) to manufacture Cascade Microtech's M150 probe station products. In addition to the 150mm stations, the agreement allows for future manufacturing of 200mm probe stations. Production of the M150 is expected to begin in one of Ultra Clean's U.S. based facilities in the fourth quarter of 2008 with volume production planned for the first quarter of 2009.

"Our M150 product line provides a cost-effective probing platform for engineers with a wide variety of devices (ICs, bioMEMs, PCBs), and a limited amount of funding. Partnering with Ultra Clean enables Cascade Microtech to offer superior quality at a price that meets our customer's budget," said Geoff Wild, Cascade Microtech's President and CEO. "In addition, securing a world-class outsource partner enables us to focus on technology development for next generation products and the introduction of our new high performance products, such as the Elite 300 probe station, and Edge Integrated Measurement System."

Ultra Clean will provide turnkey manufacturing for Cascade Microtech's 150mm Probe stations. This includes mechanical and electrical test of over 30 different modules and final integration; ensuring high quality standards for the end customer.

"We are very excited to be working with Cascade Microtech as their new outsourcing partner," said Clarence Granger, Ultra Clean's Chairman and CEO. "At Ultra Clean, we provide high quality electromechanical manufacturing capabilities at costs that rival those of offshore manufacturers. Cascade Microtech highly values finding a domestic outsource partner that could meet their cost target and provide closer coordination and business efficiencies."

About Ultra Clean Holdings, Inc.
Ultra Clean Holdings, Inc. is a developer and supplier of critical subsystems for the semiconductor capital equipment, flat panel, solar and medical device industries. Ultra Clean offers its customers an integrated outsourced solution for gas delivery systems and other subassemblies, improved design-to-delivery cycle times, component neutral design and manufacturing and component testing capabilities. Ultra Clean's customers are primarily original equipment manufacturers for the semiconductor capital equipment, flat panel, solar and medical device industries. Ultra Clean is headquartered in Hayward, California. Additional information is available at www.uct.com.

About Cascade Microtech
Cascade Microtech, Inc. (NASDAQ: CSCD) is a worldwide leader in the precise electrical measurement and test of integrated circuits (ICs) and
other small structures. For technology businesses and scientific institutions that need to evaluate small structures, Cascade Microtech delivers access to, and extraction of, electrical data from wafers, integrated circuits (ICs), IC packages, circuit boards and modules, MEMs, biological structures, electro-optic devices and more. Cascade Microtech's leading-edge semiconductor production test probe cards and test sockets reduce manufacturing costs of high-speed and high-density semiconductor chips. Information about Cascade Microtech can be found on the Web at www.CascadeMicrotech.com.

Safe Harbor Statement
The foregoing information contains, or may be deemed to contain, "forward-looking statements" (as defined in the U.S. Private Securities Litigation Reform Act of 1995) which reflect our current views with respect to future events and financial performance. We use words such as "anticipates," "believes," "plan," "expect," "future," "intends," "may," "will," "should," "estimates," "predicts," "potential," "continue" and similar expressions to identify these forward-looking statements. Forward looking statements included in the press release include estimates made with respect to our third quarter revenue and diluted earnings per share. All forward-looking statements address matters that involve risks and uncertainties. Accordingly, our actual results may differ materially from the results predicted or implied by these forward-looking statements. These risks, uncertainties and other factors include, among others, those identified in "Risk Factors," "Management's Discussion and Analysis of Financial Condition and Results of Operations" and elsewhere in our annual report on Form 10-K for the year ended December 28, 2007 and quarterly report on Form 10-Q for the quarter ended June 27, 2008, filed with the Securities and Exchange Commission. Ultra Clean Holdings, Inc. and Cascade Microtech, Inc. undertake no obligation to publicly update or review any forward-looking statements, whether as a result of new information future developments or otherwise.