Avantor, Inc.

The following table sets forth certain information regarding our executive officers at February 5, 2026:

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

Emmanuel Ligner is our President and Chief Executive Officer, a position he has held since August 2025. Prior to joining the Company, Mr. Ligner served as Chief Executive Officer at Cerba HealthCare from March 2024 to March 2025. Prior to that, Mr. Ligner was President and Chief Executive Officer of Cytiva and a Group Executive of Danaher Corporation, a life sciences company, from April 2020 to March 2024. Before Cytiva, he held several leadership positions at GE in North America, Europe, the Middle East and Africa, culminating in his appointment to President and Chief Executive Officer of GE Life Sciences. Mr. Ligner began his career in Japan with Otsuka Pharmaceuticals before joining Abbott Japan.

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 to July 2023 and as LifeScan’s Chief Financial Officer from February 2020 to March 2023. Prior to that, Mr. Jones served as Chief Financial Officer of Klöckner Pentaplast Group, a plastics packaging manufacturer, from April 2016 to August 2018.

Mary Blenn is our Executive Vice President and Chief Operating Officer, a position she has held since November 2025. Prior to joining the Company, Ms. Blenn, age 53, provided consulting services to life sciences and medtech companies through her personal consulting firm Blenn Consulting from April 2024 to October 2025. Prior to that, Ms. Blenn served as Senior Vice President, Global Operations and Supply Chain of Cytiva, a life sciences company, from April 2020 to July 2023 and in several senior leadership roles at GE Healthcare from 1998 through 2020.

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.

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.

Corey Walkeris our President of Laboratory Solutions, a position he has held since April 2025. Prior to joining Avantor, Mr. Walker was President and CEO of ILC Dover, a life sciences company, from November 2021 to June 2024, and President, DCP Midstream, an energy company, from March 2020 to November 2021. From 2016 to 2020, Mr. Walker was an Executive Vice President at Avantor and led the Americas region as well as the global Biomaterials and Electronic Materials businesses.