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COST OF SALES (Tables) | 12 Months Ended
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Dec. 31, 2024
Analysis of income and expense [abstract] |
Components of cost of sales |
|  |  | Years ended December 31,
| Notes |  |  | 2024 | 2023
Operating costs 1 |  |  |  | $ | 715.1 |  | $ | 602.2 |
Royalties | 36(b) |  |  | 94.2 |  | 44.8 |
Depreciation expense 2 |  |  |  | 273.8 |  | 216.0 |
|  |  |  | $ | 1,083.1 |  | $ | 863.0 |
1.Operating costs include mine production, transport and smelter costs, and site administrative expenses. 2.Depreciation expense excludes depreciation related to corporate office assets, which is included in general and administrative expenses.

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