PRIO Production Data June 2026

July 3, 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 June.

Key:

(1) The fourth well at the Wahoo Field was opened on June 16, thereby completing the opening of all producing wells planned for the project.

(2) Production at the Frade field was impacted by the need to replace a gas lift line, leading to a temporary shut-in of three wells and a reduction of approximately 7,000 bbl/d. Full resumption of the field is expected in the first half of July. (3) Production at the Albacora Leste field was temporarily impacted by: a three-day partial shutdown for maintenance of the cooling system; and (ii) hydrate formation in well ABL-68, resolved on July 1.