CHASKA, Minn.--(BUSINESS WIRE)--June 29, 2006--Entegris, Inc. (NASDAQ:ENTG), a global leader in materials integrity management, today announced that employment inducement restricted stock awards covering an aggregate of 8,750 shares had been granted on June 13, 2006 to two newly hired employees of Entegris, Inc. These awards comprised an employment inducement restricted stock award covering an aggregate of 6,250 shares granted to Jesse Moore, the newly hired Senior Corporate Counsel and of 2,500 shares granted to James Geller, the newly hired V.P. of human resources for North America of Entegris, Inc. In accordance with NASDAQ Rule 4350(i)(1)(A), these restricted stock awards were made under a stock option plan without stockholder approval. Rule 4350(i)(1)(A) requires public announcement of option grants made under this type of plan.

All of the above restricted stock awards were granted on terms that include the following: (i) the shares are subject to restriction on transfer and are subject to forfeiture in the event of termination of employment for any reason prior to the lapse of such restrictions; (ii) lapsing of restrictions with respect to 25% of the shares on each anniversary of the award date until fully vested.

ABOUT ENTEGRIS

Entegris (merged with Mykrolis in August 2005) is the 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 or research facilities in the United States, China, France, Germany, Japan, Malaysia, Singapore, South Korea and Taiwan. Additional information can be found at www.entegris.com.

CONTACT: Entegris, Inc., Chaska


Steve Cantor, 978-436-6750
irelations@entegris.com
or
Bill Paterson, 952-556-4155
bill_paterson@entegris.com

SOURCE: Entegris, Inc.