VISTA GOLD CORP
For the period ended Sep 20, 2026. Filed Sep 21, 2026.
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Sep 20, 2026 · Filed Sep 21, 2026
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Contents
EX-99.1 · Notes:
Notes:
| (1) | Measured and Indicated Mineral Resources include Proven and Probable Mineral Reserves. |
| (2) | Batman and Quigleys’ Mineral Resources are quoted at a 0.4 g Au/t cut-off grade. Heap Leach Pad Mineral Resources are the average grade of the Heap Leach Pad, no cut-off grade was applied. |
| (3) | The Point of Reference for the Batman and Quigleys Mineral Resources estimates is in-situ at the property. The Point of Reference for the Heap Leach Pad Mineral Resources estimates is the physical Heap Leach Pad at the property. |
| (4) | Batman and Quigleys: Mineral Resources constrained within a USD1,950/oz gold pit shell. Pit parameters: Mining Cost USD3.00/tonne, Processing Cost USD17.50/tonne processed, General and Administrative Cost USD1.50/tonne processed, Au Recovery 89.7%. |
| (5) | Kira Johnson MMSA of Tetra Tech is the QP responsible for the Statement of Mineral Resources for the Batman deposit, Quigleys deposits and Heap Leach Pad. |
| (6) | The effective date of the Batman ,Quigleys and Heap Leach Pad Mineral Resource estimates is, July 25th, 2025 |
| (7) | Mineral Resources that are not Mineral Reserves have no demonstrated economic viability and do not meet all relevant modifying factors. |
| (8) | Differences in the table due to rounding are not considered material. |
| (9) | The Mineral Resources were estimated using the Canadian Institute of Mining, Metallurgy and Petroleum (CIM) Definition Standards for Mineral Resources and Reserves. |
| (10) | “-“ indicates no reported value. |
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