ENTEGRIS INC — Director's Dealing 2021

Feb 16, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2021-02-11

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-02-11	Common Stock	M	3327	$21.60	Acquired	69236	Direct
2021-02-11	Common Stock	F	1418	$97.46	Disposed	67818	Direct
2021-02-11	Common Stock	M	3217	$31.10	Acquired	71035	Direct
2021-02-11	Common Stock	F	1561	$97.41	Disposed	69474	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-02-11	Employee Stock Option (Right to Buy)	$21.6	M	3327	Disposed	2024-02-19	Common Stock (3327.0)	Direct
2021-02-11	Employee Stock Option (Right to Buy)	$31.1	M	3217	Disposed	2025-02-19	Common Stock (3217.0)	Direct

Footnotes

F1: This option vests in four equal installments. The first three installments became exercisable on February 19, 2018, February 19, 2019, and February 19, 2020 respectively. The remaining installment will become available on February 19, 2021.

F2: This option vests in four equal installments. The first two installments became exercisable on February 19, 2019 and February 19, 2020, respectively. The remaining installments will become available on February 19, 2021 and February 19, 2022, respectively.