(1) Refer to the “Reader Advisory” section within this press release for additional information on Non-GAAP Financial Measures and production disclosure. (2) Includes realized commodity risk management loss of $9.4 million and gain of $29.1 million for the three months and year ended December 31, 2020, respectively (three months and year ended December 31, 2019 - $2.1 million loss and $44.0 million loss). (3) Includes available credit under Athabasca's Credit Facility and Unsecured Letter of Credit Facility (see page 15 of the MD&A). (4) The face value of the 2022 Notes is US$450 million. The 2022 Notes were translated into Canadian dollars at the December 31, 2020 exchange rate of US$1.00 = C$1.2732 (2019 – C$1.2965). Operations Update Thermal Oil