ENTEGRIS INC — Director's Dealing 2016

Aug 3, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2016-08-01

Reporting Person: GRAVES GREGORY B (Exec. V.P. & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-08-01	Common Stock	M	53136	$9.27	Acquired	147186	Direct
2016-08-01	Common Stock	F	38065	$16.97	Disposed	109121	Direct
2016-08-01	Common Stock	S	12751	$17.0332	Disposed	96370	Direct
2016-08-02	Common Stock	S	15071	$16.8559	Disposed	81299	Direct
2016-08-02	Common Stock	S	1308	$16.8984	Disposed	79991	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-08-01	Employee Stock Option (Right to Buy)	$9.27	M	53136	Disposed	2019-02-19	Common Stock (53136)	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 $17.00 to $17.085, 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 & Corporate Governance Professionals dated June 25, 2008. These shares were sold in multiple transactions at prices ranging from $16.8263 to $17.00, 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.

F3: 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 $16.83 to $17.00, 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.

F4: This option is fully vest.

F5: This option was granted pursuant to the Entegris, Inc. 2010 Stock Plan, as amended, in consideration of services as an employee.