X0202 4/A 2007-01-02 2007-01-04 0001041577 ATMI INC ATMI 0001136879 NEUGOLD DOUGLAS A 7 COMMERCE DRIVE DANBURY CT 06810 0 1 0 0 Chief Executive Officer Common Stock 2007-01-02 4 A 0 34720 30.53 A 132128 D Stock Options (Right to buy) 30.53 2007-01-02 4 A 0 32676 0 A 2007-01-02 2017-01-02 Common Stock 32676 65352 D To report the number of shares of performance-based restricted stock awards granted to the employee based on the full theoretical maximum value (the "theoretical maximum") vs. the "target" amount previously reported. Although the actual shares earned could range from 0% to 100% of the theoretical maximum depending upon the Company's achievement of growth targets established by the Board of Directors, the employees will be able to vote shares up to the full theoretical maximum until the determination of the actual amount earned. After such determination, the employee will be able to vote only the number of shares so earned. Stock Options vest at 25% per year on the first 4 anniversary dates of the grant. Douglas Neugold 2007-01-23