Power of Attorney for Caroline Sullivan

This filing documents a Power of Attorney granted by Caroline Sullivan, SVP, CAO & Controller of Booking Holdings Inc., to Peter J. Millones, Vijay Iyer, Caitlin Kobialka, and Kelly Larkin. The attorneys-in-fact are authorized to prepare, execute, and submit SEC filings, including Forms 3, 4, and 5, and to manage the company's EDGAR account. This authorization allows them to act on Ms. Sullivan's behalf regarding her reporting requirements under Section 13 or 16 of the Securities Exchange Act of 1934. The power of attorney remains in effect until Ms. Sullivan is no longer required to file these forms or until it is revoked in writing. The document was signed on March 29, 2026.