InvestmentsTop Global NewsMarketsReal Estate Pandemic pushes Exxon to historic annual loss, US$20 billion cut in shale value By financialnews_rlv83x - February 2, 2021 0 159 HOUSTON :Exxon Mobil Corp on Tuesday posted a historic annual loss after the COVID-19 pandemic hammered energy prices and reduced the value of the company’s shale gas properties by more than US$20 billion.