UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q/A (Amendment No. 1) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2005 [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ Commission file Number: 1-16239 ATMI, Inc. ---------- (Exact name of registrant as specified in its charter) Delaware 06-1481060 -------- ---------- (State or other jurisdiction of (I.R.S. Employer Identification No.) incorporation or organization) 7 Commerce Drive, Danbury, CT 06810 ----------------------------- ----- (Address of principal executive offices) (Zip Code) 203-794-1100 (Registrant's telephone number, including area code) - -------------------------------------------------------------------------------- Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes |X| No |_| Indicate by check mark whether the registrant is an accelerated filer (as defined by Rule 12b-2 of the Act). Yes |X| No |_| Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act) Yes |_| No |X| The number of shares outstanding of the registrant's common stock as of August 3, 2005 was 37,679,849. EXPLANATORY NOTE This Amendment No. 1 on Form 10-Q/A (this "Amendment") amends the Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2005 filed on August 8, 2005 (the "Original Filing"). We have filed this Amendment solely to include the information required by Part II, Item 4 - Submission of Matters to a Vote of Security Holders. This information was inadvertently omitted from the Original Filing. In addition, in connection with the filing of this Amendment and pursuant to the rules of the Securities and Exchange Commission, we are including with this Amendment certain currently dated certifications. Except as described above, no other changes have been made to the Original Filing. This Amendment has not resulted in any changes to our previously reported financial results. This Amendment continues to speak as of the date of the Original Filing, and we have not updated the disclosures contained in this Amendment to reflect any events that occurred at a date subsequent to the Original Filing. 1 PART II- OTHER INFORMATION Item 4. Submission of Matters to a Vote of Security Holders On May 24, 2005, the Company held its 2005 annual meeting of stockholders at which the following actions were approved: (1) two Class II directors were elected for a term expiring at the annual meeting of stockholders in 2008; and (2) the appointment of Ernst & Young LLP as the Company's Independent Registered Public Accounting Firm for the fiscal year ending December 31, 2005 was ratified. The table below represents the votes tabulated for the election of the two Class II directors: Director In Favor Withheld -------- -------- -------- Mark A. Adley 30,908,848 2,352,642 Eugene G. Banucci, Ph.D. 32,745,327 516,163 The table below represents the votes tabulated for the ratification of Ernst & Young LLP as the Company's Independent Registered Public Accounting Firm for the fiscal year ending December 31, 2005: Votes For Votes Against Abstentions --------- ------------- ----------- 33,229,192 12,653 19,645 Item 6. Exhibits (a) Exhibits 31.1 Certification of the Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 31.2 Certification of the Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 32 Certifications of the Chief Executive Officer and Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. ATMI, Inc. October 24, 2005 By /s/ Douglas A. Neugold ------------------------------------- Douglas A. Neugold President and Chief Executive Officer By /s/ Daniel P. Sharkey ------------------------------------- Daniel P. Sharkey Vice President, Chief Financial Officer and Treasurer (Chief Accounting Officer)