• Avantor amended an April 17, 2026 Form 8-K to add the previously undetermined departure date for executive Benoit Gourdier.
• A transition agreement dated Aug. 21, 2026 keeps Gourdier employed through Oct. 14, 2026, when his employment ends.
• Severance benefits are conditioned on remaining employed through Oct. 14, 2026 and complying with the transition agreement.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Avantor Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001628280-26-059273), on August 27, 2026, and is solely responsible for the information contained therein.