| Schedule of Information About Property Plant and Equipment |
| | | | | | | | | | | | | | | | | | | | | | Note | Mineral properties (note 10(a)) | Plant and
equipment | Construction- in-progress (note 10(b)) | Exploration and evaluation assets | Total | | Cost | | | | | | | Balance – December 31, 2023 | | $ | 2,217,943 | | $ | 971,885 | | $ | 746,138 | | $ | 51,003 | | $ | 3,986,969 | | | Remeasurement to fair value on Greenstone Acquisition | 5(c) | 684,254 | | (15,227) | | — | | — | | 669,027 | | Acquired in Greenstone Acquisition(1) | 5(c) | 890,390 | | 76,013 | | 479,937 | | 5,762 | | 1,452,102 | | Additions(2) | | 135,442 | | 102,829 | | 285,419 | | — | | 523,690 | | | Transfers | | 436,969 | | 818,419 | | (1,255,388) | | — | | — | | | Disposals | | — | | (52,820) | | — | | — | | (52,820) | | | Change in reclamation and closure cost asset | | 16,161 | | — | | — | | — | | 16,161 | | | Foreign currency translation | | (50,456) | | (14,716) | | (43,846) | | 406 | | (108,612) | | Balance – December 31, 2024 | | 4,330,703 | | 1,886,383 | | 212,260 | | 57,171 | | 6,486,517 | | | Acquired in Calibre Acquisition | 5(a) | 2,020,450 | | 274,972 | | 630,410 | | — | | 2,925,832 | | Additions(2) | | 257,661 | | 293,901 | | 202,359 | | — | | 753,921 | | | Transfers | | 272,823 | | 729,148 | | (1,001,971) | | — | | — | | Disposals(3) | | (55,920) | | (75,947) | | — | | — | | (131,867) | | | Change in reclamation and closure cost asset | | 70,838 | | — | | — | | — | | 70,838 | | | Reclassified to assets held for sale | 9 | (765,258) | | (572,430) | | (3,493) | | (13,750) | | (1,354,931) | | Balance – December 31, 2025 | | $ | 6,131,297 | | $ | 2,536,027 | | $ | 39,565 | | $ | 43,421 | | $ | 8,750,310 | | | | | | | | | | Accumulated depreciation and depletion | | | | | | | Balance – December 31, 2023 | | $ | 457,780 | | $ | 303,976 | | $ | — | | $ | — | | $ | 761,756 | | | Remeasurement to fair value on Greenstone Acquisition | 5(c) | — | | (14,699) | | — | | — | | (14,699) | | | Depreciation and depletion | | 97,570 | | 118,884 | | — | | — | | 216,454 | | | Disposals | | — | | (40,895) | | — | | — | | (40,895) | | | Foreign currency translation | | — | | (812) | | — | | — | | (812) | | Balance – December 31, 2024 | | 555,350 | | 366,454 | | — | | — | | 921,804 | | | Depreciation and depletion | | 360,944 | | 238,861 | | — | | — | | 599,805 | | Disposals(3) | | (3,624) | | (48,179) | | — | | — | | (51,803) | | | Reclassified to assets held for sale | 9 | (334,087) | | (295,738) | | — | | — | | (629,825) | | Balance – December 31, 2025 | | $ | 578,583 | | $ | 261,398 | | $ | — | | $ | — | | $ | 839,981 | | | | | | | | | | Net book value | | | | | | | At December 31, 2024 | | $ | 3,775,353 | | $ | 1,519,929 | | $ | 212,260 | | $ | 57,171 | | $ | 5,564,713 | | At December 31, 2025 | | $ | 5,552,714 | | $ | 2,274,629 | | $ | 39,565 | | $ | 43,421 | | $ | 7,910,329 | |
(1)Acquired in Greenstone Acquisition amounts represent the fair values of 40% of Greenstone’s mineral properties, plant and equipment that the Company did not previously own prior to the Greenstone Acquisition. (2)Additions for the year ended December 31, 2025 include the following non-cash additions: $48.4 million (2024 – $52.7 million) in additions to right-of-use assets included in plant and equipment; and $22.7 million and $7.0 million (2024 – $5.8 million and $1.8 million) of depreciation and depletion capitalized to mineral properties and construction-in-progress, respectively. In addition, $19.1 million (2024 – $84.1 million) of borrowing costs incurred were capitalized to construction-in-progress. (3)Disposals during the year ended December 31, 2025 mainly relate to the Nevada Assets Sale (note 5(b)).
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