ENTEGRIS INC — Director's Dealing 2012

Feb 24, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2012-02-22

Reporting Person: Shaner William James (Vice President, GM, ME Div.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-22	Common Stock	S	5604	$9.1429	Disposed	59455	Direct

Footnotes

F1: These shares were sold pursuant to a 10b5-1 Trading Plan established by the Reporting Person on November 30, 2011.

F2: The price reported in column 4 is a weighted average price reported in reliance on a letter from the Office of Chief Counsel, Securities and Exchange Commission's Division of Corporate Finance to the Society of Corporate Secretaries & Corporate Governance Professionals dated June 25, 2008. These shares were sold in multiple transactions at prices ranging from $9.0400 to $9.2700, inclusive. The reporting person undertakes to provide Entegris, Inc. any shareholder of Entegris, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.