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The environmental rehabilitation provision represents the legal and contractual obligations associated with the eventual closure of the Company’s mining interests, property, plant and equipment and exploration and evaluation assets. As at December 31, 2025, the estimated inflation-adjusted undiscounted cash flows required to settle the environmental rehabilitation amounts to $285.5 million (2024 – $126.3 million). The weighted average actualization rate used is approximately 3.36% (2024 – 4.40%) and the disbursements are expected to be made between 2026 and 2129 as per the current closure plans.

In 2025, the Company recognized an additional environmental rehabilitation obligation related to an inactive site. The estimated inflation-adjusted undiscounted cash flows associated with this obligation amount to $166.0 million as at December 31, 2025, and is composed of direct closure costs of $0.6 million expected in 2029, and long-term care and maintenance costs of approximately $165.5 million over a 100-year period. The discounted value of $21.4 million has been recognized using an average discount rate of 3.70% applied over the expected duration. The liability is not associated with any recognized asset and has been recorded as Other operating costs in the consolidated statement of loss.

The Company maintains environmental bonding insurance of US$6.1 million ($8.3 million) and $70.5 million as of December 31, 2025.