Exxon Mobil granted extension to work on shut Pegasus oil pipe

NEW YORK, Nov 12 (Reuters) - Exxon Mobil has been granted a 90-day extension to submit a plan to repair its 70-year-old Pegasus oil pipeline that ruptured in Arkansas in March this year, guaranteeing the line will be closed until at least January, according to a filing from the Pipeline and Hazardous Materials Safety Administration (PHMSA).