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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 | 41.40 Mt | 66.89 g/t | 89.04 Moz | 30 June 2025 |
| Indicated | 118.00 Mt | 70.66 g/t | 268.07 Moz | 30 June 2025 |
| Inferred | 73.00 Mt | 81.56 g/t | 191.43 Moz | 30 June 2025 |
| Total Resources | 167.40 Mt | 70.08 g/t | 377.17 Moz | 30 June 2025 |
| Proved | — | — | — | — |
| Probable | 65.00 Mt | 82.00 g/t | 171.36 Moz | 30 June 2025 |
| Total Reserves | 65.00 Mt | 82.00 g/t | 171.36 Moz | 30 June 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 | — | — | — | — |
| Indicated | — | — | — | — |
| Inferred | 25.00 Mt | 0.79% | 0.20 Mt Cu | 30 June 2025 |
| Total Resources | 25.00 Mt | 0.79% | 0.20 Mt Cu | 30 June 2025 |
| Proved | — | — | — | — |
| Probable | — |
| Category | Tonnes (Mt) | Grade (% Zn) | Contained (Mt Zn) | As at |
|---|---|---|---|---|
| Measured | 41.40 Mt | 4.20% | 1.74 Mt Zn | 30 June 2025 |
| Indicated | 118.00 Mt | 3.09% | 3.65 Mt Zn | 30 June 2025 |
| Inferred | 73.00 Mt | 1.73% | 1.26 Mt Zn | 30 June 2025 |
| Total Resources | 167.40 Mt | 2.28% | 3.82 Mt Zn | 30 June 2025 |
| Proved |
| Category | Tonnes (Mt) | Grade (% Pb) | Contained (Mt Pb) | As at |
|---|---|---|---|---|
| Measured | 41.00 Mt | 4.25% | 1.74 Mt Pb | 30 June 2025 |
| Indicated | 83.00 Mt | 3.91% | 3.25 Mt Pb | 30 June 2025 |
| Inferred | 53.00 Mt | 1.79% | 0.95 Mt Pb | 30 June 2025 |
| Total Resources | 112.00 Mt | 2.46% | 2.75 Mt Pb | 30 June 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 | Zn | Pb | As at | Source | Provenance | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grade (g/t Ag) | Contained (Moz Ag) | Grade (% Cu) | Contained (Mt Cu) | Grade (% Zn) | Contained (Mt Zn) | Grade (% Pb) | Contained (Mt Pb) | ||||||
| Total | Total Resources | 25.00–167.40 Mt | |||||||||||
| — |
| — |
| Total Reserves | — | — | — | — |
| — |
| — |
| — |
| Probable | 65.00 Mt | 4.35% | 2.83 Mt Zn | 30 June 2025 |
| Total Reserves | 65.00 Mt | 4.35% | 2.83 Mt Zn | 30 June 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.
| — |
| — |
| — |
| Probable | 65.00 Mt | 4.90% | 3.19 Mt Pb | 30 June 2025 |
| Total Reserves | 65.00 Mt | 4.90% | 3.19 Mt Pb | 30 June 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.
| 70.08 g/t | 377.17 Moz |
| 0.79% | 0.20 Mt Cu |
| 2.28% | 3.82 Mt Zn |
| 2.46% | 2.75 Mt Pb |
| 30 June 2025 |
derived from 7 rows |
| — |
| Clark UG Oxide | Measured | 0.40 Mt | 56.00 g/t | 0.72 Moz | — | — | 1.77% | 0.01 Mt Zn | — | — | 30 June 2025 | 246Unverified | notes (4)Source: South32 Annual Report 2025 (annual Resource and Reserve declaration) · published 28 Aug 2025 Ref: 246
QA notes:
|
| Clark UG Oxide | Indicated | 35.00 Mt | 58.00 g/t | 65.27 Moz | — | — | 2.40% | 0.84 Mt Zn | — | — | 30 June 2025 | 246Unverified | notes (4)Source: South32 Annual Report 2025 (annual Resource and Reserve declaration) · published 28 Aug 2025 Ref: 246
QA notes:
|
| Clark UG Oxide | Inferred | 20.00 Mt | 115.00 g/t | 73.95 Moz | — | — | 1.61% | 0.32 Mt Zn | — | — | 30 June 2025 | 247Unverified | notes (4)Source: South32 Annual Report 2025 (annual Resource and Reserve declaration) · published 28 Aug 2025 Ref: 247
QA notes:
|
| Peake UG Sulphide | Inferred | 25.00 Mt | 42.00 g/t | 33.76 Moz | 0.79% | 0.20 Mt Cu | 0.45% | 0.11 Mt Zn | 0.47% | 0.12 Mt Pb | 30 June 2025 | 247Unverified | notes (5)Source: South32 Annual Report 2025 (annual Resource and Reserve declaration) · published 28 Aug 2025 Ref: 247
QA notes:
|
| Taylor UG Sulphide | Measured | 41.00 Mt | 67.00 g/t | 88.32 Moz | — | — | 4.22% | 1.73 Mt Zn | 4.25% | 1.74 Mt Pb | 30 June 2025 | 246Unverified | notes (4)Source: South32 Annual Report 2025 (annual Resource and Reserve declaration) · published 28 Aug 2025 Ref: 246
QA notes:
|
| Taylor UG Sulphide | Indicated | 83.00 Mt | 76.00 g/t | 202.81 Moz | — | — | 3.38% | 2.81 Mt Zn | 3.91% | 3.25 Mt Pb | 30 June 2025 | 246Unverified | notes (4)Source: South32 Annual Report 2025 (annual Resource and Reserve declaration) · published 28 Aug 2025 Ref: 246
QA notes:
|
| Taylor UG Sulphide | Inferred | 28.00 Mt | 93.00 g/t | 83.72 Moz | — | — | 2.96% | 0.83 Mt Zn | 2.97% | 0.83 Mt Pb | 30 June 2025 | 247Unverified | notes (4)Source: South32 Annual Report 2025 (annual Resource and Reserve declaration) · published 28 Aug 2025 Ref: 247
QA notes:
|
| Area | Category | Tonnes (Mt) | Ag | Cu | Zn | Pb | As at | Source | Provenance | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grade (g/t Ag) | Contained (Moz Ag) | Grade (% Cu) | Contained (Mt Cu) | Grade (% Zn) | Contained (Mt Zn) | Grade (% Pb) | Contained (Mt Pb) | ||||||
| Taylor UG Sulphide | Probable | 65.00 Mt | 82.00 g/t | 171.36 Moz | — | — | 4.35% | 2.83 Mt Zn | 4.90% | 3.19 Mt Pb | 30 June 2025 | 246Unverified | notes (3)Source: South32 Annual Report 2025 (annual Resource and Reserve declaration) · published 28 Aug 2025 Ref: 246
QA notes:
|
| Taylor UG Sulphide | Total Reserves | 65.00 Mt | 82.00 g/t | 171.36 Moz | — | — | 4.35% | 2.83 Mt Zn | 4.90% | 3.19 Mt Pb | 30 June 2025 | 247Unverified | |
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.
notes (2)Source: South32 Annual Report 2025 (annual Resource and Reserve declaration) · published 28 Aug 2025 Ref: 247
QA notes:
|