PRIO S.A.

PRIO S.A. (formerly PetroRio) is a Brazilian independent oil and gas exploration and production company focused on offshore assets. The company specializes in acquiring and revitalizing mature fields, primarily in the Campos Basin, using redevelopment campaigns, subsea tiebacks, and operational optimization to extend field life and improve recovery. PRIO is headquartered in Rio de Janeiro and is listed on the B3 exchange under the ticker PRIO3.

Its portfolio includes operated assets such as the Frade field and the Polvo–Tubarão Martelo cluster, alongside developments like the Wahoo tieback to Frade and other producing and pre-development fields in Brazil. PRIO’s crude production supplies domestic refiners and export markets, connecting its upstream operations to the fuels and petrochemical feedstock value chains.