| Metric | Q2 '24 | Q3 '24 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | Q1 '26 |
|---|---|---|---|---|---|---|---|---|
| Reclamation and remediation liabilities (Note 6) | $6.6B | $6.4B | $6.4B | $6.4B | $6.2B | $6.2B | $6.3B | $6.2B |
| Total Carrying Value of Debt | $9.0B | $8.9B | — | $7.8B | $7.4B | $5.4B | — | $5.3B |
| Total liabilities | $26.1B | $26.3B | $26.2B | $24.1B | $22.9B | $21.3B | $5.6B | $5.2B |
| Long-Term Debt - Fair Value | — | — | — | — | — | — | $5.3B | $5.2B |
| Long-term debt | $8.7B | $8.6B | $7.6B | $7.5B | $7.1B | $5.2B | $5.1B | $5.1B |
| Deferred tax liabilities | $3.0B | $2.9B | $2.8B | $2.7B | $2.9B | $2.9B | $4.0B | $3.9B |
| Asset retirement obligations | $512.0M | $717.0M | $928.0M | $926.0M | $980.0M | $861.0M | $829.0M | $822.0M |
| Pension and Other Postretirement Defined Benefit Plans, and Other Employee Related Liabilities, Noncurrent | $616.0M | $632.0M | $555.0M | $575.0M | $596.0M | $583.0M | $634.0M | $604.0M |
| Silver streaming agreement | $733.0M | $721.0M | $699.0M | $671.0M | $646.0M | $623.0M | $598.0M | $572.0M |
| Lease and other financing obligations | $429.0M | $437.0M | $389.0M | $370.0M | $363.0M | $355.0M | $356.0M | $337.0M |
| Other non-current liabilities | $247.0M | $238.0M | $288.0M | $430.0M | $365.0M | $339.0M | $322.0M | $332.0M |
| Accrued Environmental Liabilities (Non-Current) | $293.0M | $290.0M | $307.0M | $299.0M | $278.0M | $280.0M | $326.0M | $322.0M |
| Debt Maturity - 2027 | $0.0 | $0.0 | — | $0.0 | $0.0 | $0.0 | — | $265.0M |
| Debt - Unamortized Discount (Premium) and Issuance Costs, Net | $332.0M | $324.0M | — | $303.0M | $283.0M | $235.0M | — | $222.0M |
| Lease and other financing obligations | $104.0M | $112.0M | $107.0M | $109.0M | $112.0M | $116.0M | $118.0M | $116.0M |
| Debt Maturity - 2024 | $0.0 | $0.0 | — | $0.0 | $0.0 | $0.0 | — | $0.0 |