(July 13, 2010) — Entegris Inc. (NasdaqGS: ENTG) entered into a worldwide patent license agreement with 3S Korea Co. Ltd. (KOSDAQ: 060310), covering a suite of Entegris patents for 300mm front opening shipping box (FOSB) products used to transport silicon wafers for semiconductor manufacturing. The agreement, which includes an initial licensing fee and royalty payments for past and future shipments of 300mm FOSBs, allows 3S Korea to manufacture and sell its 300mm FOSB.

“This agreement reflects a comprehensive intellectual property strategy that includes licensing certain segments of our patented technologies. This strategy complements our expanding sales of our 300mm FOSB products which are gaining traction in the market,” said William Shaner, VP and GM of the Microenvironments Division of Entegris. “We are excited to see the value of our state-of-the-industry wafer shipping technologies increase as we grow our licensee base.”

With this latest agreement, Entegris has entered into licensing agreements with all but one major shipping box supplier that use similar 300mm FOSB technology. These agreements leverage the extensive amount of research and development that is done at the company and allow broad access to this innovative technology by wafer manufacturers who need to safely transport wafers to their customers.

Entegris provides products for purifying, protecting and transporting critical materials used in processing and manufacturing in semiconductor and other high-tech industries. Additional information can be found at www.entegris.com

3S Korea Co. Ltd. is a Korea-based company engaged in the manufacturing of calorimeters. Additional information can be found at http://www.3sref.com/