The Board of Directors of Entegris, Inc. (NasdaqGS:ENTG) authorized a share repurchase program on December 12, 2012. Under the program, the company will repurchase up to $50 million worth of shares. Repurchases will be made in open market and in accordance with one or more pre-arranged stock trading plans established in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

The initial pre-arranged stock trading plan was established on February 19, 2013 and will expire August 19, 2013 and will cover the repurchase of up to $30 million of the registrant's common stock. The repurchase program will expire in December 2013 unless it is terminated or extended.