Marathon Oil Corporation (NYSE: MRO) is an independent international energy company engaged in exploration and production, oil sands mining and integrated gas. Based in Houston, Texas, the Company has a strong portfolio o......Marathon Oil Corporation (NYSE: MRO) is an independent international energy company engaged in exploration and production, oil sands mining and integrated gas. Based in Houston, Texas, the Company has a strong portfolio of assets delivering defined growth leveraged to crude oil production with exploration upside. The Companys operations are located in the United States, Angola, Canada, Equatorial Guinea, Indonesia, Iraqi Kurdistan Region, Libya, Norway, Poland and the United Kingdom. Exploration and Production Marathons exploration activities are focused on adding profitable production to existing core areas and developing potential new core areas. Marathons production operations supply liquid hydrocarbons and natural gas to the growing world energy markets. Worldwide production operations are currently focused in North America, Africa and Europe. The Company also holds ownership interests in both operated and outside-operated oil sands leases in Canada that could be developed using in-situ methods of extraction.