ATMI to Announce First Quarter 2005 Financial Results on April 20th

ATMI to Announce First Quarter 2005 Financial Results on April
20th 


DANBURY, Conn., April 5  /PRNewswire-FirstCall/ -- ATMI, Inc. (NASDAQ:ATMI)
today announced that it intends to release first quarter 2005 financial results
before the Market's open on April 20th 2005. ATMI will host a conference call
at 11:00 a.m. Eastern the same day to review and discuss the results, at
800.289.0743. Interested parties may also listen to the conference call via
audio streaming on the Internet at ATMI.com. A replay of the call will be
available by phone for 48 hours at 888.203.1112 (access code 4763788) and on
the web for one month at ATMI.com.

ATMI provides specialty materials and materials packaging to the worldwide
semiconductor industry. For more information, please visit atmi.com. 

DATASOURCE: ATMI, Inc.



CONTACT:  Dean Hamilton of ATMI, [phone], Direct: [phone]

ext.4202, 



Web site:  http://www.atmi.com/ 

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