A harsh winter which hurt many companies over the quarter had the opposite effect on Exxon Mobil, pumping the price of natural gas up nearly 50% domestically. Higher prices offset lower production which was down around 6% to 4.2 million barrels of oil equivalent a day. The world's largest publicly traded oiler earned $2.10 a share, 22 cents over expectations. Boosting profits, exploration costs fell 28% to $8.4 billion. Revenue of $104 billion missed by $3 billion and dropped 2% from a year ago.