ENTEGRIS INC — Director's Dealing 2018

Feb 22, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2018-02-20

Reporting Person: LOY BERTRAND (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-02-20	Common Stock	M	81918	$9.27	Acquired	581012	Direct
2018-02-20	Common Stock	F	48949	$33.65	Disposed	532063	Direct
2018-02-20	Common Stock	M	236844	$9.88	Acquired	768907	Direct
2018-02-20	Common Stock	F	143907	$33.65	Disposed	625000	Direct
2018-02-20	Common Stock	M	263140	$11.71	Acquired	888140	Direct
2018-02-20	Common Stock	F	167834	$33.65	Disposed	720306	Direct
2018-02-21	Common Stock	S	172976	$33.4863	Disposed	547330	Direct
2018-02-22	Common Stock	S	2024	$33.0203	Disposed	545306	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-02-20	Employee Stock Option (Right to Buy)	$9.27	M	81918	Disposed	2019-02-19	Common Stock (81918)	Direct
2018-02-20	Employee Stock Option (Right to Buy)	$9.88	M	236844	Disposed	2020-02-19	Common Stock (236844)	Direct
2018-02-20	Employee Stock Option (Right to Buy)	$11.71	M	263140	Disposed	2021-02-19	Common Stock (263140)	Direct

Footnotes

F1: The price in column 4 is a weighted price reported in reliance to 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 $33.05 to $33.75, 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 of this footnote.

F2: The price in column 4 is a weighted price reported in reliance to 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 $33.00 to $33.15, 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 of 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 as an employee.