Power of Attorney for Ludovic Brellier, EVP, Bioscience & Medtech at Avantor, Inc.

This filing is an exhibit, specifically a Power of Attorney, filed by Ludovic Brellier, an executive vice president at Avantor, Inc. The document appoints Steven Eck, Scott Baker, and Trevor Begg as attorneys-in-fact. These appointees are empowered to manage Brellier's EDGAR account for electronic filings with the SEC, including certifying the accuracy of information and designating other account administrators. Crucially, they are authorized to execute and file SEC forms 3, 4, and 5 on Brellier's behalf, in accordance with Section 16(a) of the Securities Exchange Act of 1934. This includes gathering information on the company's securities transactions from third parties. The power of attorney remains effective until Brellier is no longer required to file these forms, or until revoked. The attorneys-in-fact acknowledge that they are not assuming Brellier's compliance responsibilities.