Table of Contents Index to Financial Statements The following table presents the breakout of other assets, which represent corporate assets not allocated to segments and assets for non- reportable segments for the years ended December 31, 2020, 2019 and 2018: Included in intersegment revenues of the Marketing segment are $1.2 billion, $1.6 billion and $2.3 billion for 2020, 2019 and 2018, respectively, for marketing of the Company’s E&P sales. Corporate assets include cash and cash equivalents, furniture and fixtures and other costs. Corporate general and administrative costs, depreciation expense and taxes other than income are allocated to the segments. The following is a summary of the quarterly results of operations for the years ended December 31, 2020 and 2019: The Company’s operating natural gas and oil properties are located solely in the United States. The Company also has licenses to properties in Canada, the development of which is subject to an indefinite moratorium. See “Our Operations – Other – New Brunswick, Canada” in  Item 1  of Part 1 of this Annual Report. The following table shows the capitalized costs of natural gas and oil properties and the related accumulated depreciation, depletion and amortization as of December 31, 2020 and 2019: 124 Net Capitalized Costs SUPPLEMENTAL OIL AND GAS DISCLOSURES (UNAUDITED) SUPPLEMENTAL QUARTERLY RESULTS (UNAUDITED) (in millions) 2020 2019 Proved properties $ 25,789  $ 23,744  Unproved properties 1,472  1,506  Total capitalized costs 27,261  25,250  Less: Accumulated depreciation, depletion and amortization (23,362) (20,203) Net capitalized costs $ 3,899  $ 5,047  (in millions, except share amounts) 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter 2020 Operating revenues $ 592  $ 410  $ 527  $ 779  Operating loss (1,490) (756) (381) (244) Net loss (1,547) (880) (593) (92) Loss per share – Basic (2.86) (1.63) (1.04) (0.14) Loss per share – Diluted (2.86) (1.63) (1.04) (0.14) 2019 Operating revenues $ 990  $ 667  $ 636  $ 745  Operating income (loss) 213  22  (29) 64  Net income 594  138  49  110  Earnings per share – Basic 1.10  0.26  0.09  0.20  Earnings per share – Diluted 1.10  0.26  0.09  0.20  For the years ended December 31, (in millions) 2020 2019 2018 Cash and cash equivalents $ 13  $ 5  $ 205  Accounts receivable 1  —  4  Income taxes receivable —  30  89  Current hedging asset —  —  1  Prepayments 6  8  8  Property, plant and equipment 16  27  60  Unamortized debt expense 11  11  11  Right-of-use lease assets 72  80  —  Non-qualified retirement plan 6  7  8  $ 125  $ 168  $ 386 