Power of Attorney for Natalie Holles

This filing relates to a Power of Attorney granted by Natalie Holles, a director and officer of Aura Biosciences, Inc., to Conor Kilroy and Amy Elazzouzi. The attorneys-in-fact are authorized to execute and file necessary reports (Forms 3, 4, and 5) with the SEC regarding securities ownership, acquisitions, or dispositions. They are also empowered to handle electronic filing codes, prepare documents for Rule 144 sales of company stock, and take any other necessary actions. This power of attorney supersedes any previous agreements and remains in effect until Holles is no longer required to file such reports, or until revoked. The filing is dated May 6, 2026.