PetrÃ³leo Brasileiro SA engages in oil and gas exploration, production, and distribution activities. It operates through the following segments: Exploration and Production; Refining, Transportation, and Marketing; Gas and Power; and Corporate and Other Business. The Exploration and Production segment involves crude oil, natural gas liquids, and natural gas exploration, development, and production. The Refining, Transportation and Marketing segment involves refining, logistics, transportation, trading operations, oil products and crude oil exports and imports, and petrochemical investments. The Gas and Power segment includes transportation and trading of natural and liquefied natural gas, the generation and trading of electric power, and the fertilizer business. The Corporate and Other Business segment comprises the financing activities not attributable to other segments including corporate financial management, and central administrative overhead and actuarial expenses. The company was founded on October 3, 1953 and is headquartered in Rio de Janeiro, Brazil.