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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 (% Cu) | Contained (Mt Cu) | As at |
|---|---|---|---|---|
| Measured | 190.00 Mt | 0.43% | 0.83 Mt Cu | 31 Dec 2025 |
| Indicated | 1,900.00 Mt | 0.49% | 9.30 Mt Cu | 31 Dec 2025 |
| Inferred | 250.00 Mt | 0.40% | 0.91 Mt Cu | 31 Dec 2025 |
| Total Resources | 740.00 Mt | 0.40% | 2.94 Mt Cu | 31 Dec 2025 |
| Proved | 150.00 Mt | 0.47% | 0.69 Mt Cu | 31 Dec 2025 |
| Probable | 1,400.00 Mt | 0.52% | 7.40 Mt Cu | 31 Dec 2025 |
| Total Reserves | 1,600.00 Mt | 0.52% | 8.10 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.
Percentile of this project's current total Resource among covered peers (P100 = largest / highest grade). Basis and Inferred toggles apply.
| Area | Category | Tonnes (Mt) | Cu | As at | Source | Provenance | |
|---|---|---|---|---|---|---|---|
| Grade (% Cu) | Contained (Mt Cu) | ||||||
| Total | Total Resources | 740.00 Mt | 0.40% | 2.94 Mt Cu | 31 Dec 2025 | derived from 3 rows | |
| — |
| surface | Measured | 190.00 Mt | 0.43% | 0.83 Mt Cu | 31 Dec 2025 | Copper Mineral Resources tableUnverified | notes (5)Ref: Copper Mineral Resources table
QA notes:
|
| surface | Indicated | 1,900.00 Mt | 0.49% | 9.30 Mt Cu | 31 Dec 2025 | Copper Mineral Resources tableUnverified | notes (4)Ref: Copper Mineral Resources table
|
| surface | Inferred | 250.00 Mt | 0.40% | 0.91 Mt Cu | 31 Dec 2025 | Copper Mineral Resources tableUnverified | notes (5)Ref: Copper Mineral Resources table
QA notes:
|
| Area | Category | Tonnes (Mt) | Cu | As at | Source | Provenance | |
|---|---|---|---|---|---|---|---|
| Grade (% Cu) | Contained (Mt Cu) | ||||||
| surface | Proved | 150.00 Mt | 0.47% | 0.69 Mt Cu | 31 Dec 2025 | Copper Mineral Reserves tableUnverified | notes (4)Ref: Copper Mineral Reserves table
QA notes:
|
| surface | Probable | 1,400.00 Mt | 0.52% | 7.40 Mt Cu | 31 Dec 2025 | Copper Mineral Reserves tableUnverified | notes (4) |
| surface | Total Reserves | 1,600.00 Mt | 0.52% | 8.10 Mt Cu | 31 Dec 2025 | Copper Mineral Reserves table — Lumwana surface (100%)Unverified | notes (4) |
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.