PRIO March 2026 Operational Data

April 1, 2026 – 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 March.

Key:

(1) In the Valente cluster, the first producing well in the Wahoo field began production on March 18th and the second on March 25th. 

(2) In the Bravo cluster, production was impacted by the shutdown of well OGX-44HP due to a failure in the Submerged Centrifugal Pump, with workover scheduled for April.  (3) With the start of Wahoo’s production, PRIO will begin reporting oil and exported gas data separately. The historical breakdown is available in the Company’s Valuation Guide (Downloads Center – PRIO).