ENTEGRIS INC — Director's Dealing 2011

May 23, 2011

SEC Form 4/A — Form 4/A

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2011-02-22

Reporting Person: LOY BERTRAND (Exec VP & COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-22	Common Stock	S	31826	—	Acquired	279131	Direct

Footnotes

F1: These shares are restricted stock units with restrictions that lapse over a 4 year period with respect to 25% of these shares per year, starting on February 19, 2012.

F2: This amendment is to correct an overstated number of shares owned following this transaction.