| Schedule of contract liability |
| | Nine-month | | | | period ended | | | | September 30, | | | | 2025 | | | | | | Net silver contract liability, beginning of period | | $ | 18,193 | | Revaluation of metals contract liability | | | 10,373 | | Net silver contract liability, end of period | | $ | 28,566 | | | | | | | Current portion | | $ | 6,368 | | Non-current portion | | | 22,198 | | | | $ | 28,566 | |
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