Type	Name	Date
By-Laws	Amended and Restated Bylaws of ATMI, Inc	05/01/2014

Type	Name	Date
Employment agreement	Amended and Restated Employment Agreement between ATMI, Inc. and Douglas A. Neugold	01/23/2012
Employment agreement	Amended and Restated Employment Agreement between ATMI, Inc. and Timothy C. Carlson	01/23/2012
Employment agreement	Amended and Restated Employment Agreement between ATMI, Inc. and Daniel P. Sharkey	01/23/2012
Employment agreement	Amended and Restated Employment Agreement between ATMI, Inc. and Ellen T. Harmon	01/23/2012

Type	Name	Date
Merger agreement	Agreement and Plan of Merger, by and among ATMI, Inc., Entegris, Inc. and Atomic Merger Corporation	02/04/2014