Entegris Acquires High-Purity Semiconductor Coatings Business From Surmet

Expands Entegris Product Technology and Extends Global Reach to Surmet Customers


CHASKA, Minn., Aug. 20, 2007 (PRIME NEWSWIRE) -- Entegris (Nasdaq:ENTG) today announced the acquisition of the assets of the high-purity semiconductor coatings business of Surmet Corporation, located in Burlington, Mass. The acquisition strengthens Entegris' leadership in delivering solutions that purify, protect and transport critical materials in semiconductor applications, and gives Surmet customers access to a wider range of global resources. The terms of the transaction were not disclosed.

Surmet is a pioneer in high-performance, high-purity coatings that protect wafer handling and equipment components, such as electrostatic clamps, in the semiconductor manufacturing process, as well as reduce contamination of wafers from the components themselves. These microparticle-free and corrosion-resistant high-performance coatings use an innovative low-temperature plasma process that can be applied on a wide range of substrates.

"In semiconductor manufacturing, the high-performance coatings offered by Surmet are indispensable," said Gideon Argov, president and CEO of Entegris. "This acquisition fits our core strategy to enable our customers to increase their yields by controlling micro and molecular contamination in critical advanced processes. Surmet's customers should benefit from our well-established support infrastructure worldwide, and we see important opportunities to use Surmet's technology to further enhance and differentiate our wafer handling products. In addition, we see the potential to extend the application of Surmet's technologies beyond the semiconductor industry."

ABOUT ENTEGRIS

Entegris is a global leader in materials integrity management, delivering a wide range of products for purifying, protecting and transporting critical materials used in processing and manufacturing in semiconductor and other high tech industries. Entegris is ISO 9001 certified and has manufacturing, customer service and/or research facilities in the United States, China, France, Germany, Israel, Japan, Malaysia, Singapore, South Korea and Taiwan. Additional information can be found at www.entegris.com.

ABOUT SURMET

Founded in 1982, Surmet Corporation is a world leader in surface engineering, engineered coatings and advanced material solutions for aerospace and other industries. Following the sale of its semiconductor coatings business, Surmet specializes in optical ceramics and other high-performance composite technologies. Additional information can be found at www.surmet.com.

Forward-Looking Statements

Certain information contained in this press release may constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are based on current management expectations only as of the date of this press release, which involve substantial risks and uncertainties that could cause actual results to differ materially from the results expressed in, or implied by, these forward-looking statements. Statements which are modified by words such as "anticipate," "believe," "estimate," "expect," "forecast," "may," "will," "should" or the negative thereof and similar expressions as they relate to Entegris or our management are intended to identify such forward-looking statements. These statements are not guarantees of future performance and involve risks, uncertainties and assumptions which are difficult to predict. These risks include, but are not limited to, fluctuations in the market price of Entegris' stock, future operating results of Entegris, other acquisition and investment opportunities available to Entegris, general business and market conditions and other factors. Additional information concerning these and other risk factors may be found in previous financial press releases issued by Entegris and Entegris' periodic public filings with the Securities and Exchange Commission, including the discussion described under the headings "Risks Relating to our Business and Industry," "Manufacturing Risks," "International Risks," and "Risks Related to Securities Markets and Ownership of Our Securities" in Item 1A of our Annual Report on Form 10-K for the fiscal year ended December 31, 2006, as well as other matters and important factors disclosed previously and from time to time in the filings of Entegris with the U.S. Securities and Exchange Commission. Except as required under the federal securities laws and the rules and regulations of the Securities and Exchange Commission, we undertake no obligation to update publicly any forward-looking statements contained herein.



            

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