Avantor, Inc. — Director's Dealing 2019

May 23, 2019

SEC Form 3/A — Form 3/A

Issuer: Avantor, Inc. (AVTR)
CIK: 0001722482
Period of Report: 2019-05-16-04:00

Reporting Person: GOLDMAN SACHS & CO. LLC (N/A)
Reporting Person: GOLDMAN SACHS GROUP INC (N/A)
Reporting Person: StoneBridge 2017, L.P. (N/A)
Reporting Person: StoneBridge 2017 Offshore, L.P. (N/A)
Reporting Person: Broad Street Principal Investments, L.L.C. (N/A)
Reporting Person: StoneBridge 2018, L.P. (N/A)
Reporting Person: StoneBridge 2018 Offshore, L.P. (N/A)
Reporting Person: VWR Partners, L.P. (N/A)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $0.01 per share	72605349	Indirect

Footnotes

F1: This statement is being filed by Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs & Co., LLC ("Goldman Sachs"), StoneBridge 2017, L.P., ("StoneBridge 2017") StoneBridge 2017 Offshore, L.P. ("StoneBridge 2017 Offshore"), Broad Street Principal Investments, L.L.C. ("BSPI"), VWR Partners, L.P. ("VWR"), StoneBridge 2018, L.P. ("StoneBridge 2018") and StoneBridge 2018 Offshore, L.P. ("StoneBridge 2018 Offshore") (together, the "Reporting Persons").

F2: Goldman Sachs and GS Group may be deemed to beneficially own indirectly, in the aggregate, 72,605,349 shares of Common Stock, $0.01 par value per share ("Common Stock"), of Avantor, Inc. (the "Issuer") by reason of the direct beneficial ownership of such shares by BSPI, StoneBridge 2017, StoneBridge 2017 Offshore, VWR, StoneBridge 2018 and StoneBridge 2018 Offshore (together, the "GS Funds") because affiliates of Goldman Sachs and GS Group are the general partner, managing limited partner, managing general partner, managing partner, managing member or member of each of the GS Funds. Goldman Sachs is a wholly-owned subsidiary of GS Group. Goldman Sachs is the investment manager of certain of the GS Funds.

F3: Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4: Form 3 amended on May 20, 2019 to include updated Power of Attorney for Goldman Sachs Group, Inc.

F5: Form 3 amended on May 23, 2019 to include Stonebridge 2018, L.P., Stonebridge 2018 Offshore, L.P. and VWR Partners, L.P. as Reporting Persons. Powers of Attorney for Stonebridge 2018, L.P., Stonebridge 2018 Offshore, L.P. and VWR Partners, L.P. have been included in this amendment.