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CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Revenues and other income: |  |  |  |
Revenues and other income | $ 684,405,000 | $ 382,849,000 | $ 1,368,316,000 | $ 843,594,000
Derivative fair value (loss) income | (249,683,000) | (6,303,000) | (307,562,000) | 226,872,000
Total revenues and other income | 434,722,000 | 376,546,000 | 1,060,754,000 | 1,070,466,000
Costs and expenses: |  |  |  |
Production and ad valorem taxes | 8,414,000 | 5,557,000 | 13,039,000 | 14,576,000
Brokered natural gas and marketing | 69,004,000 | 38,161,000 | 141,339,000 | 70,785,000
Exploration | 5,028,000 | 8,027,000 | 10,566,000 | 15,104,000
Abandonment and impairment of unproved properties | 2,177,000 | 5,524,000 | 5,206,000 | 10,937,000
General and administrative | 40,242,000 | 38,288,000 | 78,246,000 | 80,542,000
Exit and termination costs | (15,946,000) | 10,297,000 | (2,232,000) | 11,892,000
Deferred compensation plan | 35,462,000 | 12,587,000 | 55,273,000 | 4,050,000
Interest | 57,287,000 | 48,624,000 | 114,165,000 | 96,142,000
Loss (gain) on early extinguishment of debt | 63,000 | (8,991,000) | 98,000 | (21,914,000)
Depletion, depreciation and amortization | 90,629,000 | 104,626,000 | 179,012,000 | 207,612,000
Impairment of proved properties | 0 | 0 | 0 | 77,000,000
(Gain) loss on the sale of assets | (2,506,000) | 426,000 | (646,000) | (121,673,000)
Total costs and expenses | 592,456,000 | 566,395,000 | 1,188,648,000 | 1,065,122,000
(Loss) income before income taxes | (157,734,000) | (189,849,000) | (127,894,000) | 5,344,000
Income tax expense (benefit): |  |  |  |
Current | 2,569,000 | (3,000) | 2,737,000 | (366,000)
Deferred | (3,831,000) | (22,263,000) | (1,310,000) | 7,098,000
Total (benefit) expense for income taxes | (1,262,000) | (22,266,000) | 1,427,000 | 6,732,000
Net loss | $ (156,472,000) | $ (167,583,000) | $ (129,321,000) | $ (1,388,000)
Net loss per common share: |  |  |  |
Basic | $ (0.65) | $ (0.70) | $ (0.53) | $ (0.01)
Diluted | $ (0.65) | $ (0.70) | $ (0.53) | $ (0.01)
Weighted average common shares outstanding: |  |  |  |
Basic | 242,592 | 239,472 | 242,377 | 242,717
Diluted | 242,592 | 239,472 | 242,377 | 242,717
Natural Gas, NGLs and Oil Sales |  |  |  |
Revenues and other income: |  |  |  |
Revenues and other income | $ 621,855,000 | $ 349,258,000 | $ 1,225,202,000 | $ 781,354,000
Brokered Natural Gas, Marketing and Other |  |  |  |
Revenues and other income: |  |  |  |
Revenues and other income | 62,550,000 | 33,591,000 | 143,114,000 | 62,240,000
Direct Operating |  |  |  |
Costs and expenses: |  |  |  |
Costs and expenses | 19,758,000 | 24,394,000 | 37,408,000 | 56,429,000
Transportation, Gathering, Processing and Compression |  |  |  |
Costs and expenses: |  |  |  |
Costs and expenses | $ 282,844,000 | $ 278,875,000 | $ 557,174,000 | $ 563,640,000

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