Brazil's most aggressive independent oil producer built itself by buying fields the majors were done with — and wringing far more oil out of them than anyone expected. Now it has its biggest prize flowing. Full namePrio S.A. (formerly Petro Rio S.A.) Ticker / exchangePRIO3 — B3 (Novo Mercado), São Paulo HeadquartersPraia de Botafogo 370, Rio de Janeiro, Brazil SectorEnergy — Oil & Gas Exploration & Production EmployeesNot disclosed in available sources Market value (market cap)R$44.8bn (US$8.7bn) Yearly sales (revenue, 2025)R$15.6bn (US$3.0bn) Net profit (2025)R$2.3bn (US$0.44bn) Net margin (2025)14.5% — …
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