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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 Au) | Contained (Moz Au) | As at |
|---|---|---|---|---|
| Measured | 24.00 Mt | 0.62 g/t | 0.48 Moz | 30 June 2025 |
| Indicated | 15.00 Mt | 0.60 g/t | 0.29 Moz | 30 June 2025 |
| Inferred | 3.70 Mt | 0.40 g/t | 0.05 Moz | 30 June 2025 |
| Total Resources | 42.70 Mt | 0.59 g/t | 0.82 Moz | 30 June 2025 |
| Proved | — | — | — | — |
| Probable | — | — | — | — |
| Total Reserves | — | — | — | — |
| Category | Tonnes (Mt) | Grade (g/t Ag) | Contained (Moz Ag) | As at |
|---|---|---|---|---|
| Measured | 24.00 Mt | 49.00 g/t | 37.81 Moz | 30 June 2025 |
| Indicated | 15.00 Mt | 46.00 g/t | 22.18 Moz | 30 June 2025 |
| Inferred | 3.70 Mt | 39.00 g/t | 4.64 Moz | 30 June 2025 |
| Total Resources | 42.70 Mt | 47.08 g/t | 64.63 Moz | 30 June 2025 |
| Proved | — | — | — | — |
| Probable |
| Category | Tonnes (Mt) | Grade (% Cu) | Contained (Mt Cu) | As at |
|---|---|---|---|---|
| Measured | 24.00 Mt | 3.14% | 0.75 Mt Cu | 30 June 2025 |
| Indicated | 55.00 Mt | 1.55% | 0.85 Mt Cu | 30 June 2025 |
| Inferred | 111.70 Mt | 1.85% | 2.06 Mt Cu | 30 June 2025 |
| Total Resources | 190.70 Mt | 1.92% | 3.67 Mt Cu | 30 June 2025 |
| Proved | — | — | — | — |
| Probable |
| Category | Tonnes (Mt) | Grade (% Zn) | Contained (Mt Zn) | As at |
|---|---|---|---|---|
| Measured | 24.00 Mt | 4.35% | 1.04 Mt Zn | 30 June 2025 |
| Indicated | 15.00 Mt | 4.46% | 0.67 Mt Zn | 30 June 2025 |
| Inferred | 3.70 Mt | 3.24% | 0.12 Mt Zn | 30 June 2025 |
| Total Resources | 42.70 Mt | 4.29% | 1.83 Mt Zn | 30 June 2025 |
| Proved | — | — | — | — |
| Probable |
| Category | Tonnes (Mt) | Grade (% Pb) | Contained (Mt Pb) | As at |
|---|---|---|---|---|
| Measured | 24.00 Mt | 0.77% | 0.18 Mt Pb | 30 June 2025 |
| Indicated | 15.00 Mt | 0.84% | 0.13 Mt Pb | 30 June 2025 |
| Inferred | 3.70 Mt | 0.70% | 0.03 Mt Pb | 30 June 2025 |
| Total Resources | 42.70 Mt | 0.79% | 0.34 Mt Pb | 30 June 2025 |
| Proved | — | — | — | — |
| Probable |
Percentile of this project's current total Resource among covered peers (P100 = largest / highest grade). Basis and Inferred toggles apply.
| Area | Category | Tonnes (Mt) | Au | Ag | Cu | Zn | Pb | As at | Source | Provenance | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grade (g/t Au) | Contained (Moz Au) | Grade (g/t Ag) | Contained (Moz Ag) | Grade (% Cu) | Contained (Mt Cu) | Grade (% Zn) | Contained (Mt Zn) | Grade (% Pb) | Contained (Mt Pb) | ||||||
| Total | |||||||||||||||
| — |
| — |
| — |
| Total Reserves | — | — | — | — |
| — |
| — |
| — |
| Total Reserves | — | — | — | — |
| — |
| — |
| — |
| Total Reserves | — | — | — | — |
| — |
| — |
| — |
| Total Reserves | — | — | — | — |
| Total Resources |
| 42.70–190.70 Mt |
| 0.59 g/t | 0.82 Moz |
| 47.08 g/t | 64.63 Moz |
| 1.92% | 3.67 Mt Cu |
| 4.29% | 1.83 Mt Zn |
| 0.79% | 0.34 Mt Pb |
| 30 June 2025 |
| Unverified |
| — |
| Arctic OC Sulphide | Measured | 24.00 Mt | 0.62 g/t | 0.48 Moz | 49.00 g/t | 37.81 Moz | 3.14% | 0.75 Mt Cu | 4.35% | 1.04 Mt Zn | 0.77% | 0.18 Mt Pb | 30 June 2025 | 248Unverified | notes (4)Source: South32 Annual Report 2025 (annual Resource and Reserve declaration) · published 28 Aug 2025 Ref: 248
QA notes:
|
| Arctic OC Sulphide | Indicated | 15.00 Mt | 0.60 g/t | 0.29 Moz | 46.00 g/t | 22.18 Moz | 2.84% | 0.43 Mt Cu | 4.46% | 0.67 Mt Zn | 0.84% | 0.13 Mt Pb | 30 June 2025 | 248Unverified | notes (4)Source: South32 Annual Report 2025 (annual Resource and Reserve declaration) · published 28 Aug 2025 Ref: 248
QA notes:
|
| Arctic OC Sulphide | Inferred | 3.70 Mt | 0.40 g/t | 0.05 Moz | 39.00 g/t | 4.64 Moz | 1.84% | 0.07 Mt Cu | 3.24% | 0.12 Mt Zn | 0.70% | 0.03 Mt Pb | 30 June 2025 | 249Unverified | notes (4)Source: South32 Annual Report 2025 (annual Resource and Reserve declaration) · published 28 Aug 2025 Ref: 249
QA notes:
|
| Bornite OC Sulphide | Indicated | 40.00 Mt | — | — | — | — | 1.06% | 0.42 Mt Cu | — | — | — | — | 30 June 2025 | 248Unverified | notes (4)Source: South32 Annual Report 2025 (annual Resource and Reserve declaration) · published 28 Aug 2025 Ref: 248
QA notes:
|
| Bornite OC Sulphide | Inferred | 38.00 Mt | — | — | — | — | 1.03% | 0.39 Mt Cu | — | — | — | — | 30 June 2025 | 249Unverified | notes (4)Source: South32 Annual Report 2025 (annual Resource and Reserve declaration) · published 28 Aug 2025 Ref: 249
QA notes:
|
| Bornite UG Sulphide | Inferred | 70.00 Mt | — | — | — | — | 2.29% | 1.60 Mt Cu | — | — | — | — | 30 June 2025 | 249Unverified | notes (5)Source: South32 Annual Report 2025 (annual Resource and Reserve declaration) · published 28 Aug 2025 Ref: 249
QA notes:
|
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.
Figures are on a 100% project basis unless a row carries the attrib chip; SOUTH32 LIMITED holds 50.0% of this project.