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Being the biggest oil company in Russia, Rosneft is also the largest publicly traded company in the world based on its hydrocarbon production volume. BP holds a 19.75 % share in Rosneft which makes it a beneficiary to a broad range of existing and future projects in Russia, a country that has huge hydrocarbon resources.
American multinational oil and gas company ExxonMobil is the fourth biggest oil and gas company in the world, with production of 2.185 million barrels of crude oil and 12.322 billion cubic feet of natural gas per day in 2012.