| Revenue | — | — |
| Petroleum and natural gas sales | 3,937.9a | 3,848.9a |
| Royalties | -600.1a | -618.9a |
| Petroleum and natural gas sales, net of royalties | 3,337.8a | 3,230a |
| Other income (loss) | — | — |
| Net gain (loss) on commodity contracts | -16.3a | 151.7a |
| Total revenue and other income | 3,321.5a | 3,381.7a |
| Expenses | — | — |
| Operating | -874.1a | -805.4a |
| Transportation | -135.9a | -123.8a |
| Marketing | -253.3a | -273.9a |
| General and administrative | -63.8a | -57.1a |
| Stock-based compensation | -44.6a | -39.9a |
| Transaction costs | -2.3a | |
| Interest and financing | -89.8a | -83.5a |
| Accretion of decommissioning liabilities | -37.3a | -33.6a |
| Depletion, depreciation, and amortization | -975.2a | -865.2a |
| Exploration and evaluation | -16.3a | -6.6a |
| Net gain on asset dispositions | -246.4a | -78a |
| Total expenses | -2,246.2a | -2,211a |
| Income before income taxes | 1,075.3a | 1,170.7a |
| Taxes | — | — |
| Current income tax expense | -255.2a | -64.7a |
| Deferred income tax expense | -7.8a | -217a |
| Total income tax expense | -263a | -281.7a |
| Net income and other comprehensive income | 812.3a | 889a |