ENTEGRIS INC — Director's Dealing 2018

Aug 7, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2018-08-03

Reporting Person: Tison Stuart (SVP & GM, SCEM Div.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-08-03	Common Stock	S	5643	$35.8463	Disposed	78402	Direct
2018-08-03	Common Stock	M	5497	$9.27	Acquired	83899	Direct
2018-08-03	Common Stock	F	2510	$36.00	Disposed	81389	Direct
2018-08-07	Common Stock	S	2987	$36.325	Disposed	78402	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-08-03	Employee Stock Option (Right to Buy)	$9.27	M	5497	Disposed	2019-02-19	Common Stock (5497)	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 & Corporate Governance Professionals dated June 25, 2008. These shares were sold in multiple transactions at prices ranging from $35.825 to $35.875, 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: This option is fully vested.

F3: This option was granted pursuant to the Entegris, Inc. 2010 Equity Incentive Plan, as amended, in consideration of service as an employee.