- Current report filing (8-K)

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

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CURRENT REPORT

Pursuant to Section 13 OR 15(d) of
The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) February 3, 2010  

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ATMI, Inc.
(Exact name of registrant as specified in its charter)

Connecticut		1-16239		06-1481060
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

	7 Commerce Drive, Danbury, Connecticut		06810
	(Address of principal executive offices)		(Zip Code)

Registrant's telephone number, including area code:   [phone]

________________________________________________________________________________
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
	[    ]	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
	[    ]	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
	[    ]	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
	[    ]	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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Item 2.02. Results of Operations and Financial Condition.

On February 3, 2010, ATMI, Inc. issued a press release announcing its financial results for the fourth 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.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibit -

99.1.     Press release dated February 3, 2010

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SIGNATURE

    Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

		ATMI, Inc. (Registrant)
February 3, 2010 (Date)		/s/   TIMOTHY C. CARLSON Timothy C. Carlson Executive Vice President, Chief Financial Officer and Treasurer

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	Exhibit Index
	99.1	Press release dated February 3, 2010