ENTEGRIS INC — Director's Dealing 2018

Feb 14, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2018-02-12

Reporting Person: Rucci Corey (SVP, Business Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-02-12	Common Stock	A	3856	—	Acquired	26782.494	Direct
2018-02-12	Common Stock	A	5416	—	Acquired	32198.494	Direct
2018-02-12	Common Stock	F	1726	$31.10	Disposed	30472.494	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-02-12	Employee Stock Option (Right to Buy)	$31.10	A	12252	Acquired	2025-02-19	Common Stock (12252)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	35000	Indirect

Footnotes

F1: These shares are restricted stock units with restrictions that lapse over a four year period with respect to 25% of these shares per year, starting February 19, 2019 and thereafter on February 19, 2020, February 19, 2021 and February 19, 2022.

F2: Awarded pursuant to the Entegris, Inc. 2010 Stock Plan, as amended, in consideration of services as an employee.

F3: These shares include 490.621 shares acquired under the Entegris, Inc. Employee Stock Purchase Plan on December 29, 2017.

F4: Awarded in connection with the settlement of performance share units for the 2015-2017 performance cycle.

F5: Shares automatically withheld upon settlement of performance share units to satisfy tax withholding obligations.

F6: The option vests in four equal annual installments starting on February 19, 2019 and thereafter on February 19, 2020, February 19, 2021 and February 19, 2022.