PRIO October 2025 Operational Data

Nov. 4 – 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 October.

Key:

(1) In the Frade field, there was a temporary production shutdown on October 26, due to an unintentional activation of the fire and gas detection system.

(2) Production at the Albacora Leste field was impacted by a failure in the gas compression system, which lacks adequate redundancy, that will be resolved soon with the arrival of long-lead items purchased abroad.  (3) At the Peregrino field, after meeting all regulatory requirements, ANP approved the resumption of operations of the FPSO Peregrino on October 17, and the asset is currently producing over 100 thousand barrels per day.