PRIO workover approvals for TUBARÃO MARTELO wells

PRIO S.A. (“Company” or “PRIO”) (B3: PRIO3), following the best corporate governance practices, informs its shareholders and the market in general that, today, the Brazilian Institute of the Environment and Natural Renewable Resources (“Ibama”) has granted approval for the workover of wells in the Tubarão Martelo field including wells TBMT-10H and TBMT-4H, which had been shut down due to a failure in the Submersible Centrifugal Pump. Thus, after the drilling of phase 2 of the first two wells in the Wahoo field, the Company will begin the workover of the wells in the Tubarão Martelo field. PRIO will keep the market informed regarding the project schedule.