ENTEGRIS INC — Director's Dealing 2021

Apr 9, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2021-04-07

Reporting Person: O'Neill James Anthony (SVP & CTO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-04-07	Common Stock	M	1847	$55.72	Acquired	25498.218	Direct
2021-04-07	Common Stock	S	6361	$118.67	Disposed	19137.218	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-04-07	Employee Stock Option (Right to Buy)	$55.72	M	1847	Disposed	2027-02-19	Common Stock (1847.0)	Direct

Footnotes

F1: These shares were sold pursuant to a Rule 10b-5 Trading Plan established by the Reporting Person on March 8, 2021.

F2: This option vests in four equal installments. The first installment became exercisable on February 19, 2021. The remaining installments will become exercisable on February 19, 2022, February 19, 2023 and February 19, 2024, respectively.