
16			DECOMMISSIONING LIABILITIES



Current and non-current portion December 31, 2022			$116.6
Liability assumed on Manitou acquisition (Note 9)			1.8
Reclamation expenditures			(0.3)
Accretion expense			6.8
Revisions to expected discounted cash flows1			11.9

Current and non-current portion December 31, 2023			$136.8
Liability assumed on Argonaut acquisition (Note 6)			18.0
Reclamation expenditures			(10.6)
Accretion expense			8.9
Revisions to expected discounted cash flows1			2.8
Foreign exchange revaluation			(4.3)
Current and non-current portion December 31, 2024			$151.6
Less: Current portion of decommissioning liability			(6.5)
Non-current portion December 31, 2024			$145.1

1. Included in the revisions to expected discounted cash flows for the year ended December 31, 2024 are costs of $0.2 million related to closed sites with a corresponding expense recorded in Other Loss (Note 20) (year ended December 31, 2023 - $3.3 million).

All of the expenditures are expected to occur between 2025 and 2100. The discount rates used in discounting the estimated reclamation and closure cost obligations were between 3.3% and 8.6% for the year ended December 31, 2024 (2023 – 3.0% and 7.4%), and the inflation rate used was between 1.8% and 3.7% for the year ended December 31, 2024 (2023 – 1.7% and 3.6%).