ENTEGRIS INC — Director's Dealing 2021

Apr 13, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2021-04-09

Reporting Person: Rucci Corey (SVP, Business Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-04-09	Common Stock	M	11202	$21.60	Acquired	25941.7052	Direct
2021-04-09	Common Stock	S	9368	$120.535	Disposed	16573.7052	Direct
2021-04-09	Common Stock	S	6894	$121.20	Disposed	9679.7052	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-04-09	Employee Stock Option (Right to Buy)	$21.6	M	11202	Disposed	2024-02-19	Common Stock (11202.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	20000	Indirect

Footnotes

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

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 Governance Professionals dated June 25, 2008. These shares were sold in multiple transactions at prices ranging from $119.935 to $120.925, 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 Governance Professionals dated June 25, 2008. These shares were sold in multiple transactions at prices ranging from $120.935 to $121.46, 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 vested.