Avantor Inc

The following table sets forth certain information regarding our executive officers at February 3, 2025:

Unless indicated to the contrary, the business experience summaries provided below describe positions held by the named individuals during the last five years.

Michael Stubblefield became our President and Chief Executive Officer in 2014. In addition, Mr. Stubblefield also serves as a Director. Prior to joining Avantor, Mr. Stubblefield was a Senior Expert for the Chemicals Practice of McKinsey & Company, a management consulting firm, from 2013 to 2014.

R. Brent Jones is our Executive Vice President and Chief Financial Officer, a position he has held since August 2023. Prior to joining the Company, Mr. Jones served as Executive Vice President, Chief Financial Officer and Chief Operating Officer of LifeScan Global Corporation, a medical devices company, from March 2023 until July 2023 and as LifeScan’s Chief Financial Officer from February 2020 until March 2023. Prior to that, Mr. Jones served as Chief Financial Officer of Klöckner Pentaplast Group, a plastics packaging manufacturer, from April 2016 until August 2018.

Benoit Gourdier is our Executive Vice President, Bioscience Production, a position he has held since January 2024. Prior to his current role, Mr. Gourdier served as Executive Vice President, Biopharma Production from October 2023 to December 2023. Prior to joining Avantor, Mr. Gourdier spent 23 years at Merck KGaA, a chemical company, where he served in a number of leadership positions including, most recently, as Senior Vice President and General Manager, BioReliance Contract Testing Services at Millipore Sigma from September 2017 to September 2023.

Christophe Couturier is our Executive Vice President, AMEA, a position he has held since April 2021. Prior to his current role, Mr. Couturier served as Executive Vice President, Services, from April 2018 to April 2021. Prior to joining Avantor, Mr. Couturier served as Chief Executive Officer of Salicornia, LLC, a personal consulting company, from September 2017 to April 2018.

Brittany Hankamer is our Executive Vice President and Chief Human Resources Officer, a position she has held since August 2023. Prior to assuming her current position, Ms. Hankamer served as Avantor’s Senior Vice President of Talent and People Operations from May 2021 to August 2023 and as Vice President, Human Resources from September 2019 to May 2021. Prior to joining Avantor, Ms. Hankamer was Vice President of Human Resources at Conquest Completion Services, LLC from May 2018 to September 2019.

Claudius Sokenu is our Executive Vice President, Chief Legal and Compliance Officer and Corporate Secretary, a position he has held since July 2023. Prior to joining Avantor, Mr. Sokenu was General

Counsel, Corporate Secretary and Chief Administrative Officer at Unisys, a technology company, from May 2022 to June 2023, Senior Vice President and Global Deputy General Counsel at Cognizant, an information technology services and consulting company, from March 2020 to April 2022 and Deputy General Counsel, Global Head of Litigation, Investigations and Ethics & Compliance from May 2017 to October 2018. Previously, he was a partner at Shearman & Sterling LLP and Arnold & Porter LLP.

James Bramwellis our Executive Vice President, Sales and Customer Excellence, a position he has held since January 2024. Prior to his current role, he served as Avantor’s Executive Vice President, Americas from October 2022 to December 2023, and as Executive Vice President, Strategic Partners from November 2017 to October 2022.

Kitty Sahinis our Executive Vice President, Strategy and Corporate Development, a position she has held since June 2022. Prior to joining Avantor, Ms. Sahin served as EVP, Strategy & Business Development for Novanta, a medical, life science and industrial technology company, from September 2017 to June 2022.