Pan American Energy will acquire assets from the Argentine unit of Exxon Mobil, Esso, Reuters reports, citing La Nacion. The deal is estimated to be valued at about $800-850 million.

Pan American will buy an oil refinery and nearly 450 service stations from Esso. Pan American is owned by Bridas, which is co-owned by CNOOC and Argentina’s Bulgheroni family.

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