Exxon Mobil 2014 reserves up on oil sands, shale
February 23, 2015 at 10:26 AM EST
HOUSTON, Feb 23 (Reuters) - Exxon Mobil Corp, the world's largest publicly traded oil company, said on Monday its crude oil and natural gas reserves rose slightly in 2014, lifted by U.S. shale and oil sands projects.
