Attached files

file filename
10-K - FORM 10-K - ATMI INCc12779e10vk.htm
EX-21 - EXHIBIT 21 - ATMI INCc12779exv21.htm
EX-32 - EXHIBIT 32 - ATMI INCc12779exv32.htm
EX-31.2 - EXHIBIT 31.2 - ATMI INCc12779exv31w2.htm
EX-31.1 - EXHIBIT 31.1 - ATMI INCc12779exv31w1.htm
EX-10.46 - EXHIBIT 10.46 - ATMI INCc12779exv10w46.htm
EX-10.44 - EXHIBIT 10.44 - ATMI INCc12779exv10w44.htm
EX-10.41 - EXHIBIT 10.41 - ATMI INCc12779exv10w41.htm
EX-10.45 - EXHIBIT 10.45 - ATMI INCc12779exv10w45.htm
EX-10.42 - EXHIBIT 10.42 - ATMI INCc12779exv10w42.htm
Exhibit 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 33-49561, 333-55827, 333-56349, 333-46222, 333-107591, and 333-167318) and the Registration Statements on Form S-3 (Nos. 333-82089, 333-94641, 333-31982, 333-46224, and 333-76378) of ATMI, Inc. of our reports dated February 18, 2011, with respect to the consolidated financial statements and schedule of ATMI, Inc., and the effectiveness of internal control over financial reporting of ATMI, Inc., included in this Annual Report (Form 10-K) for the year ended December 31, 2010.
     
 
  /s/ ERNST & YOUNG LLP
Stamford, Connecticut
February 18, 2011