ATMI to Present at Investor Conferences

DANBURY, Conn., Nov. 2  /PRNewswire-FirstCall/ -- ATMI, Inc. (NASDAQ:ATMI) today announced that it is scheduled to present at investor conferences in November and December 2005. Where available, webcast links will be posted on atmi.com's investor page.

  November
  * 3rd -- Deutsche Bank Global Semiconductor and Semi Capital Equipment
    Conference, Las Vegas, Nevada; 11:35 a.m. local time.

  December
  * 1st -- Credit Suisse First Boston's Annual Technology Conference,
    Scottsdale, Arizona, 11:30 a.m. local time.



ATMI provides specialty materials and materials packaging to the worldwide semiconductor industry. As the Source of Semiconductor Process Efficiency, ATMI helps customers to improve wafer yields and to lower operating costs. For more information, please visit http://www.atmi.com/ . 

DATASOURCE: ATMI, Inc.



CONTACT:  Dean Hamilton, ATMI Investor Relations & Corporate

Communications, Direct, [phone], or [phone] x4202,





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

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