Power of Attorney for Douglas Swirsky

This filing details a Power of Attorney granted by Douglas Swirsky, Principal Accounting Officer of Barinthus Biotherapeutics plc, to William Enright, Robert E. Puopolo, and Marishka DeToy. This grants them the authority to execute and file, on behalf of Mr. Swirsky, various SEC forms including Forms 3, 4, and 5, Schedule 13D, and Schedule 13G, in accordance with Section 16(a) of the Securities Exchange Act of 1934. The attorneys-in-fact are empowered to take any necessary actions to complete and file these forms, and to make decisions regarding their content and terms. The Power of Attorney remains in effect until Mr. Swirsky is no longer required to file these forms or until earlier revoked. It also includes provisions for indemnification of the attorneys-in-fact and the Company against any losses arising from false information provided by Mr. Swirsky. This document supersedes any prior powers of attorney and will expire under specific conditions related to the attorneys-in-fact's roles within the company or their employment.