| Schedule of environmental remediation liability and reclamation provisions |
| | | | | | | | | As at | | As at | | | December 31, | | December 31, | | | 2025 | | 2024 | Asset retirement obligations - non-current, beginning of year | | $ | 1,019,848 | | $ | 1,040,003 | Asset retirement obligations - current, beginning of year | | | 56,909 | | | 22,570 | Current year additions and changes in estimate, net(i) | | | 282,638 | | | 89,017 | Current year accretion | | | 38,237 | | | 33,815 | Liabilities settled | | | (27,307) | | | (14,976) | Foreign exchange revaluation | | | 76,756 | | | (93,672) | Reclassification from non-current to current, end of year | | | (140,406) | | | (56,909) | Asset retirement obligations - non-current, end of year | | $ | 1,306,675 | | $ | 1,019,848 |
Note: | (i) | During the year ended December 31, 2025, the Company revised its estimate of the Meadowbank ARO. The revision was driven by an updated internal analysis completed during the period and, as a result, the ARO liability related to Meadowbank increased by $185.1 million with a corresponding adjustment to the related mining asset. As at December 31, 2025, the Meadowbank ARO liability was $414.5 million. |
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| Schedule of environmental remediation liability and reclamation provisions |
| | | | | | | | | As at | | As at | | | December 31, | | December 31, | | | 2025 | | 2024 | Environmental remediation liability - non-current, beginning of year | | $ | 6,780 | | $ | 9,235 | Environmental remediation liability - current, beginning of year | | | 1,670 | | | 1,696 | Current year additions and changes in estimate, net | | | 9,263 | | | — | Liabilities settled | | | (2,171) | | | (1,664) | Foreign exchange revaluation | | | 390 | | | (817) | Reclassification from non-current to current, end of year | | | (4,131) | | | (1,670) | Environmental remediation liability - non-current, end of year | | $ | 11,801 | | $ | 6,780 |
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