ExxonMobil OK with oil at $40: CEO By: CNBC.com News December 03, 2014 at 07:18 AM EST ExxonMobil can weather the downturn in oil prices even if prices spiral to $40 per barrel, CEO and Chairman Rex Tillerson tells CNBC. Read More >> Related Stocks: Exxon Mobil iPath Dow Jones-Goldman Sachs Crude Oil Fund