Avantor, Inc. — Director's Dealing 2023

Feb 28, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Avantor, Inc. (AVTR)
CIK: 0001722482
Period of Report: 2023-02-23

Reporting Person: Stubblefield Michael (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-02-23	Common Stock	F	7422	$24.59	Disposed	1187818	Direct
2023-02-24	Common Stock	A	99004	—	Acquired	1286822	Direct
2023-02-25	Common Stock	F	7685	$24.62	Disposed	1279137	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-02-24	Stock Options (Right to Buy)	$24.62	A	239915	Acquired	2033-02-24	Common Stock (239915.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	111917	Indirect
Common Stock	429500	Indirect

Footnotes

F1: Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.

F2: Reflects a grant of restricted stock units that vest in four equal annual installments beginning on February 24, 2024.

F3: Reflects securities held by a trust for the benefit of the Reporting Person's family, of which the spouse of the Reporting Person is the trustee. The Reporting Person disclaims beneficial ownership of the securities held by the trust, except to the extent of his pecuniary interest therein.

F4: Reflects a grant of stock options that vest in four equal annual installments beginning on February 24, 2024.