ENTEGRIS INC — Director's Dealing 2017

Jul 28, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2017-07-26

Reporting Person: GRAVES GREGORY B (EVP & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-07-26	Common Stock	M	900	$13.49	Acquired	61546	Direct
2017-07-26	Common Stock	S	900	$26.00	Disposed	60646	Direct
2017-07-27	Common Stock	M	18812	$13.49	Acquired	79458	Direct
2017-07-27	Common Stock	S	18812	$26.2248	Disposed	60646	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-07-26	Employee Stock Option (Right to Buy)	$13.49	M	900	Disposed	2022-02-19	Common Stock (900)	Direct
2017-07-27	Employee Stock Option (Right to Buy)	$13.49	M	18812	Disposed	2022-02-19	Common Stock (18812)	Direct

Footnotes

F1: These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on May 12, 2017.

F2: The price in column 4 is a weighted average price reported in reliance on a letter from the Office of Chief Counsel, Securities and Exhcange Commission's Division of Corporate Secretaries & Corporate Governance Professionals dated June 25, 2008. These shares were sold in multiple transactions at prices ranging from $26.00 to $26.75, 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 set forth in this note.

F3: This option vests in four equal installments. The first two installments became exercisable on February 19, 2016 and February 19, 2017, respectively. The remaining installments become exercisable on February 19, 2018 and February 19, 2019, respectively.

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