ENTEGRIS INC — Director's Dealing 2018

Mar 1, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2018-02-27

Reporting Person: Shaner William James (SVP & GM, AMH)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-02-27	Common Stock	M	24353	$9.27	Acquired	87913	Direct
2018-02-27	Common Stock	F	14464	$33.70	Disposed	73449	Direct
2018-02-28	Common Stock	S	8714	$33.7307	Disposed	64735	Direct
2018-02-28	Common Stock	S	1175	$33.5174	Disposed	63560	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-02-27	Employee Stock Option (Right to Buy)	$9.27	M	24353	Disposed	2019-02-19	Common Stock (24353)	Direct

Footnotes

F1: 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 and Corporate Governance Professionals dated June 25, 2008. These shares were sold in multiple transactions at prices ranging from $33.50 to $34.00, 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.

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 and Corporate Governance Professionals dated June 25, 2008. These shares were sold in multiple transactions at prices ranging from $33.50 to $33.625, 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.

F3: This option is fully vested.

F4: This option was granted pursuant to the Entegris, Inc. 2010 Stock Plan, as amended, in consideration of services of an employee.