DANBURY, Conn., Sept. 3, 2009 (GLOBE NEWSWIRE) -- ATMI, Inc. (Nasdaq:ATMI) today announced that it is scheduled to present at the 2009 Citi Investment Research Global Technology Conference in New York City on September 9, 2009, at 4:35 p.m. local time and at the 2009 Bank of America Merrill Lynch Smid Cap Conference in Boston on September 22, 2009 at 11:20 a.m. local time. A webcast link, where available, will be posted on ATMI.com's investor, events and presentations page.

ATMI Inc. provides specialty semiconductor materials, and high-purity materials handling and delivery solutions designed to increase process efficiencies for the worldwide semiconductor, flat panel, and life sciences industries. For more information, please visit http://www.atmi.com.

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CONTACT:  ATMI, Inc.
          Dean Hamilton, Director, Investor Relations
           & Corporate Communications
          203.207.9349
          203.794.1100 x4202
          dhamilton@atmi.com