Item 2.02. Results of Operations and Financial Condition.

On April 22, 2009, ATMI, Inc. issued a press release announcing its financial results for the first quarter of 2009. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

The information contained in this Item 2.02 of this Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is furnished and shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section, and shall not be deemed to be incorporated by reference into the filings of the registrant under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.