| | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | Three months ended | | Six months ended |
| | | June 30, | | June 30, |
| Note | | 2025 | | 2024 | | 2025 | | 2024 |
| Cash flows generated from (used in): | | | | | | | | | |
| Operating activities | | | | | | | | | |
| Net earnings from continuing operations | | | $ | 138,927 | | | $ | 56,372 | | | $ | 213,793 | | | $ | 91,514 | |
| Adjustments for: | | | | | | | | | |
| Depreciation and amortization | | | 66,415 | | | 60,320 | | | 127,032 | | | 115,664 | |
| Finance costs | 10 | | 669 | | | 7,085 | | | 12,913 | | | 7,053 | |
| Interest income | 9 | | (8,964) | | | (6,235) | | | (17,221) | | | (11,286) | |
| Foreign exchange loss (gain) | | | 18,122 | | | (325) | | | 24,685 | | | 1,337 | |
| Income tax expense | 11 | | 33,295 | | | 21,711 | | | 687 | | | 37,763 | |
| | | | | | | | | |
| Loss (gain) on disposal of assets | | | 229 | | | 375 | | | (7,059) | | | 557 | |
| Unrealized (gain) loss on derivative contracts | 9 | | (18,740) | | | 11,966 | | | 44,650 | | | 28,853 | |
| | | | | | | | | |
| Write-down of assets | | | 2,476 | | | 688 | | | 5,165 | | | 1,410 | |
| | | | | | | | | |
| Share-based payments expense | 13 | | 4,183 | | | 3,676 | | | 8,545 | | | 5,725 | |
| Employee benefit plan expense | | | 1,087 | | | 864 | | | 2,101 | | | 2,038 | |
| | | | | | | | | |
| | | 237,699 | | | 156,497 | | | 415,291 | | | 280,628 | |
| Property reclamation payments | | | (1,609) | | | (658) | | | (2,404) | | | (1,493) | |
| Employee benefit plan payments | | | (369) | | | (326) | | | (789) | | | (920) | |
| Income taxes paid | | | (42,705) | | | (29,567) | | | (90,820) | | | (49,041) | |
| Interest received | | | 8,964 | | | 6,235 | | | 17,221 | | | 11,286 | |
| Changes in non-cash operating working capital | 14 | | (43,813) | | | (19,936) | | | (49,921) | | | (32,960) | |
| Net cash generated from operating activities of continuing operations | | | 158,167 | | | 112,245 | | | 288,578 | | | 207,500 | |
| Net cash generated from (used in) operating activities of discontinued operations | | | 118 | | | (328) | | | 309 | | | (218) | |
| | | | | | | | | |
| Investing activities | | | | | | | | | |
| Additions to property, plant and equipment | | | (191,195) | | | (133,092) | | | (349,690) | | | (253,780) | |
| Capitalized interest paid | | | (10,904) | | | (5,180) | | | (20,020) | | | (14,088) | |
| | | | | | | | | |
| Proceeds from the sale of property, plant and equipment | | | 382 | | | 4 | | | 480 | | | 16 | |
| | | | | | | | | |
| Proceeds from sale of mining licenses | | | 2,500 | | | — | | | 2,500 | | | — | |
| Value added taxes related to mineral property expenditures, net | | | (14,357) | | | (6,021) | | | (1,051) | | | (2,625) | |
| | | | | | | | | |
| Sale (purchase) of investments in marketable securities | | | — | | | — | | | 155,078 | | | (11,130) | |
| Deposit on property, plant and equipment | | | (3,650) | | | — | | | (9,266) | | | — | |
| Decrease in other investments | | | — | | | — | | | — | | | 1,136 | |
| | | | | | | | | |
| | | | | | | | | |
| Net cash used in investing activities of continuing operations | | | (217,224) | | | (144,289) | | | (221,969) | | | (280,471) | |
| | | | | | | | | |
| | | | | | | | | |
| Financing activities | | | | | | | | | |
| Issuance of common shares for cash, net of share issuance costs | | | 5,214 | | | 7,703 | | | 7,527 | | | 12,319 | |
| (Distributions to) contributions from non-controlling interests | | | (317) | | | — | | | (317) | | | 173 | |
| Proceeds from Term Facility - Commercial loans and RRF loans | 7 | | 180,610 | | | 111,291 | | | 180,610 | | | 126,603 | |
| Proceeds from VAT Facility | 7 | | 21,803 | | | 13,789 | | | 37,559 | | | 19,306 | |
| Repayments of VAT Facility | 7 | | (10,014) | | | (15,489) | | | (28,404) | | | (15,489) | |
| | | | | | | | | |
| Term Facility commitment fees | | | (1,372) | | | (2,201) | | | (1,372) | | | (2,201) | |
| | | | | | | | | |
| Interest paid | | | (1,965) | | | (1,692) | | | (10,427) | | | (10,039) | |
| | | | | | | | | |
| Principal portion of lease liabilities | | | (1,180) | | | (1,052) | | | (2,526) | | | (2,164) | |
| Purchase of shares for cancellation | 12 | | (44,588) | | | — | | | (44,588) | | | — | |
Purchase of shares held in trust for restricted share units | 12 | | (2,416) | | | — | | | (4,226) | | | (958) | |
| Net cash generated from financing activities of continuing operations | | | 145,775 | | | 112,349 | | | 133,836 | | | 127,550 | |
| | | | | | | | | |
| | | | | | | | | |
| Effect of exchange rates on cash and cash equivalents | | | 13,712 | | | — | | | 21,330 | | | — | |
| | | | | | | | | |
| Net increase in cash and cash equivalents | | | 100,548 | | | 79,977 | | | 222,084 | | | 54,361 | |
| Cash and cash equivalents - beginning of period | | | 978,142 | | | 514,747 | | | 856,797 | | | 540,473 | |
| Change in cash in disposal group held for sale | | | (118) | | | 328 | | | (309) | | | 218 | |
| Cash and cash equivalents - end of period | | | $ | 1,078,572 | | | $ | 595,052 | | | $ | 1,078,572 | | | $ | 595,052 | |