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Whole-project rollup at the latest vintage per category: printed project-level rows are preferred, and mining areas are summed (tonnes-weighted grade) only where the issuer prints no project-level row. Per-area and per-source detail in the Current R&R table below.
| Category | Tonnes (Mt) | Grade (g/t Ag) | Contained (Moz Ag) | As at |
|---|---|---|---|---|
| Measured | 77.50 Mt | 5.38 g/t | 13.39 Moz | 31 Dec 2025 |
| Indicated | 94.80 Mt | 4.14 g/t | 12.61 Moz | 31 Dec 2025 |
| Inferred | 15.10 Mt | 3.69 g/t | 1.79 Moz | 31 Dec 2025 |
| Total Resources | 87.30 Mt | 4.42 g/t | 12.40 Moz | 31 Dec 2025 |
| Proved | 53.00 Mt | 5.59 g/t | 9.54 Moz | 31 Dec 2025 |
| Probable | 47.10 Mt | 3.86 g/t | 5.85 Moz | 31 Dec 2025 |
| Total Reserves | 100.10 Mt | 4.78 g/t | 15.39 Moz | 31 Dec 2025 |
Sub-category rows are as disclosed (no Reserves-treatment netting); the Total rows honour the Resources treatment and Inferred-policy toggles, so components may not sum to the Total.
Dotted tonnes/grade are derived under the active Resources treatment: tonnes are netted of (or grossed by) the reserve tonnage alongside contained, and grade is re-derived as netted contained ÷ netted tonnes — not the published figures.
| Category | Tonnes (Mt) | Grade (% Cu) | Contained (Mt Cu) | As at |
|---|---|---|---|---|
| Measured | 93.70 Mt | 0.64% | 0.60 Mt Cu | 31 Dec 2025 |
| Indicated | 145.90 Mt | 0.43% | 0.63 Mt Cu | 31 Dec 2025 |
| Inferred | 82.80 Mt | 0.20% | 0.16 Mt Cu | 31 Dec 2025 |
| Total Resources | 220.20 Mt | 0.35% | 0.78 Mt Cu | 31 Dec 2025 |
| Proved |
Percentile of this project's current total Resource among covered peers (P100 = largest / highest grade). Basis and Inferred toggles apply.
| Area | Category | Tonnes (Mt) | Ag | Cu | As at | Source | Provenance | ||
|---|---|---|---|---|---|---|---|---|---|
| Grade (g/t Ag) | Contained (Moz Ag) | Grade (% Cu) | Contained (Mt Cu) | ||||||
| Total | Total Resources | 87.30–220.20 Mt | 4.42 g/t | 12.40 Moz | |||||
| 0.69% |
| 0.38 Mt Cu |
| 31 Dec 2025 |
| Probable | 48.10 Mt | 0.50% | 0.24 Mt Cu | 31 Dec 2025 |
| Total Reserves | 102.20 Mt | 0.60% | 0.62 Mt Cu | 31 Dec 2025 |
Sub-category rows are as disclosed (no Reserves-treatment netting); the Total rows honour the Resources treatment and Inferred-policy toggles, so components may not sum to the Total.
Dotted tonnes/grade are derived under the active Resources treatment: tonnes are netted of (or grossed by) the reserve tonnage alongside contained, and grade is re-derived as netted contained ÷ netted tonnes — not the published figures.
| 0.78 Mt Cu |
| 31 Dec 2025 |
| Unverified |
| — |
| Oxide (Dump Leach) | Measured | 16.20 Mt | — | — | 0.35% | 0.06 Mt Cu | 31 Dec 2025 | 31Unverified | notes (4)Source: Capstone Copper Annual Information Form 2025 (Mineral Reserve and Resource estimates as at 31 Dec 2025) · published 23 Mar 2026 Ref: 31
QA notes:
|
| Oxide (Dump Leach) | Indicated | 51.10 Mt | — | — | 0.19% | 0.10 Mt Cu | 31 Dec 2025 | 31Unverified | notes (4)Source: Capstone Copper Annual Information Form 2025 (Mineral Reserve and Resource estimates as at 31 Dec 2025) · published 23 Mar 2026 Ref: 31
QA notes:
|
| Oxide (Dump Leach) | Inferred | 67.70 Mt | — | — | 0.14% | 0.09 Mt Cu | 31 Dec 2025 | 31Unverified | notes (4)Source: Capstone Copper Annual Information Form 2025 (Mineral Reserve and Resource estimates as at 31 Dec 2025) · published 23 Mar 2026 Ref: 31
QA notes:
|
| Sulphide (Flotation) | Measured | 77.50 Mt | 5.38 g/t | 13.39 Moz | 0.70% | 0.55 Mt Cu | 31 Dec 2025 | 31Unverified | notes (3)Source: Capstone Copper Annual Information Form 2025 (Mineral Reserve and Resource estimates as at 31 Dec 2025) · published 23 Mar 2026 Ref: 31
|
| Sulphide (Flotation) | Indicated | 94.80 Mt | 4.14 g/t | 12.61 Moz | 0.56% | 0.53 Mt Cu | 31 Dec 2025 | 31Unverified | notes (3)Source: Capstone Copper Annual Information Form 2025 (Mineral Reserve and Resource estimates as at 31 Dec 2025) · published 23 Mar 2026 Ref: 31
|
| Sulphide (Flotation) | Inferred | 15.10 Mt | 3.69 g/t | 1.79 Moz | 0.48% | 0.07 Mt Cu | 31 Dec 2025 | 31Unverified | notes (4)Source: Capstone Copper Annual Information Form 2025 (Mineral Reserve and Resource estimates as at 31 Dec 2025) · published 23 Mar 2026 Ref: 31
QA notes:
|
| Area | Category | Tonnes (Mt) | Ag | Cu | As at | Source | Provenance | ||
|---|---|---|---|---|---|---|---|---|---|
| Grade (g/t Ag) | Contained (Moz Ag) | Grade (% Cu) | Contained (Mt Cu) | ||||||
| Total | Total Reserves | 100.10–102.20 Mt | 4.78 g/t | 15.39 Moz | 0.60% | 0.62 Mt Cu | 31 Dec 2025 | Unverified | — |
| Oxide (Dump Leach) | Proved | 1.10 Mt | — | — | 0.32% | 4 kt Cu | 31 Dec 2025 | 33Unverified | notes (4)Source: |
| Oxide (Dump Leach) | Probable | 1.00 Mt | — | — | 0.21% | 2 kt Cu | 31 Dec 2025 | 33Unverified | notes (4) |
| Sulphides (Flotation) | Proved | 53.00 Mt | 5.59 g/t | 9.54 Moz | 0.70% | 0.37 Mt Cu | 31 Dec 2025 | 33Unverified | |
| Sulphides (Flotation) | Probable | 47.10 Mt | 3.86 g/t | 5.85 Moz | 0.51% | 0.24 Mt Cu | 31 Dec 2025 | 33Unverified | |
Rows are hierarchical, not additive — do not sum a column across rows. Whole-project rows (Area “Total”) already contain the indented named-area rows beneath them, and an issuer's printed per-deposit total can itself contain other listed areas. All derived totals and rollups on this site already exclude the overlapping rows.
Dotted Total-row tonnes/grade are derived under the active Resources treatment: tonnes netted of (or grossed by) the reserve tonnage alongside contained, grade re-derived as netted contained ÷ netted tonnes — not the published figures.
Figures are on a 100% project basis unless a row carries the attrib chip; CAPSTONE COPPER CORP. holds 100.0% of this project.