PRIO SA（“公司”或“RIO”）遵循最佳公司治理实践，现通知其股东及市场，巴西环境与自然可再生资源研究所（“巴西”）今日已批准对Tubarão Martelo油田的油井进行修井，包括TBMT-10H井和TBMT-4H井，这两口井此前因潜水离心泵故障而停产。

因此，在完成Wahoo油田前两口油井的第二阶段钻探后，公司将开始对Tubarão Martelo油田的油井进行修井。PRIO将随时向市场通报项目进度。

PRIO S.A. (“Company” or “PRIO”), following the best corporate governance practices, informs its shareholders and the market in general that, today, the Brazilian Institute of the Environment and Natural Renewable Resources (“Ibama”) has granted approval for the workover of wells in the Tubarão Martelo field including wells TBMT-10H and TBMT-4H, which had been shut down due to a failure in the Submersible Centrifugal Pump.

Thus, after the drilling of phase 2 of the first two wells in the Wahoo field, the Company will begin the workover of the wells in the Tubarão Martelo field. PRIO will keep the market informed regarding the project schedule.