Material Fact | Preliminary License – Wahoo

Rio de Janeiro, July 18, 2025 – PRIO S.A. [“Company” or “PRIO*) (83: PRIO3). following best corporate governance practices. informs its sharenoders and the market in cenera that. todav. the Brazilian Institute of the Environment and Natura Renewable Resources (“Ibama” has eranted the prefiminary License (“LP”) of the wahoo Field Production Development System and interconnection of the wells to the Frade FPSO. Thus, the company will continue with the process to issue the Installation License (“LI”). which is necessary to start the subsea construction and interconnection of the field to the FPSO Frade and will keep the market informed of the project schedule once the LI is granted.