PRIO July 2025 Operational Data

August 4, 2025 – PRIO S.A. (“Company” or “PRIO”) (B3: PRIO3), following best practices incorporate governance and transparency, informs its preliminary and non-audited Operational Data for the month of July.

Key:

(1) At the Frade field, the gas compressor had a failure at the end of July, which has already been resolved, and production has been normalized.

(2) At the Polvo and Tubarão Martelo cluster, production was affected by the shutdown of the well TBMT-6H due to the failure of the Submerged Centrifugal Pump, which had been operating since the field’s production start and will start the workover in August.

(3) At the Peregrino field, July production was affected due to the scheduled shutdown carried out during the month.