Atmi Inc. (MM) (NASDAQ:ATMI) Historical Stock Chart
2 Years : From May 2011 to May 2013

ATMI, Inc. (Nasdaq:ATMI) announced that it is scheduled to present at Citi's 18th Annual Global Technology Conference in New York City on September 8, 2011, beginning at 10:45 a.m.
A webcast link will be posted on ATMI.com's investor, events and presentations page.
About ATMI
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.
The ATMI, Inc. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=5254
ATMI and the ATMI logo are trademarks or registered trademarks of Advanced Technology Materials, Inc., in the United States, other countries or both.
CONTACT: Dean Hamilton,
Director, ATMI Investor Relations & Corporate Communications
203.207.9349
dhamilton@atmi.com
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