Power of Attorney for Marc Cobo

This filing details a Power of Attorney granted by Marc Cobo, Principal Accounting Officer of BridgeBio Oncology Therapeutics, Inc., to Pedro Beltran, Idan Elmelech, and Aaron Chan. The attorneys-in-fact are authorized to execute and file SEC forms, including Form 3, 4, and 5, and Schedules 13D and 13G, on behalf of Mr. Cobo. This authorization covers acts necessary to complete and file these forms, and any other actions deemed beneficial or legally required. The Power of Attorney remains in effect until Mr. Cobo is no longer required to file such forms or until revoked. It supersedes any prior powers of attorney and will expire for an individual attorney-in-fact if they cease to be employed by the Company. The filing also discloses Mr. Cobo's beneficial ownership, including common stock and stock options with specified vesting and exercise details.