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COST OF SALES (Tables)

12 Months Ended

Dec. 31, 2021

Analysis of income and expense [abstract]

Components of cost of sales

						Years ended December 31,
									2021			2020
Operating costs1									$	748.6		$	675.5
Royalties									60.6			59.2
Depreciation expense2									339.8			256.7
									$	1,149.0		$	991.4

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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