ENTEGRIS INC — Director's Dealing 2012

May 4, 2012

SEC Form 4/A — Form 4/A

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2012-05-02

Reporting Person: CHRISTMAN DANIEL W (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-02	Common Stock	A	11123	—	Acquired	125902	Direct

Footnotes

F1: The restricted stock units vest in full on the date of the Company's 2013 Annual Meeting of Stockholders.

F2: These shares were awarded on May 2, 2012 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2010 Stock Plan which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.

F3: Two of the same Form 4 were inadvertently filed on May 3, 2012 with respect to the same award of Restricted Stock Units. This Form 4 should be disregarded.