Revised Time and Dial-in Information for Entegris Conference Call to Discuss Poco...

Revised Time and Dial-in Information for Entegris Conference Call to Discuss
Poco Graphite Transaction

CHASKA, Minn., July 14, 2008 (PRIME NEWSWIRE) -- Entegris, Inc. (Nasdaq:ENTG)
revised the time of its conference call to discuss the Poco Graphite
transaction. The call will now be held at 10:30 a.m. Eastern Time on Tuesday,
July 15, 2008. The call had been scheduled for one hour later at 11:30 a.m.
Eastern Time.

Participants should dial 1-866-550-6338 (for domestic callers) or 1-347-284-6930
(for callers outside the U.S.) and reference passcode 6604696. A replay of the
call can be accessed at 1-888-203-1112 or 1-719-457-0820 using passcode 6604696.
A webcast of the call can also be accessed from the investor relations section
of Entegris' website at www.entegris.com.

About Entegris

Entegris is a leading provider of a wide range of products for purifying,
protecting and transporting critical materials used in processing and
manufacturing in the 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, India, Israel, Japan,
Malaysia, Singapore, South Korea and Taiwan. Additional information can be found
at www.entegris.com.

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CONTACT: Entegris, Inc.
Steve Cantor, VP of Corporate Relations
978-436-6500
irelations@entegris.com