Power of Attorney Appointment for Coya Therapeutics, Inc.

This filing details a Power of Attorney granted by Mark Pavao, a director of Coya Therapeutics, Inc., to a group of individuals including Arun Swaminathan, David Snyder, Daniel Porco, Christopher Williams, and Chase Newman. The appointed attorneys-in-fact are authorized to execute and file various securities and ownership forms, including Schedules 13D and 13G, Form ID, and Forms 3, 4, and 5, on behalf of Mr. Pavao. These actions are in compliance with Sections 13 and 16(a) of the Securities Exchange Act of 1934. The Power of Attorney remains in effect until Mr. Pavao is no longer required to file these documents or until it is revoked in writing. The document was executed on April 1, 2026.