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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 | 258.90 Mt | 0.07 g/t | 0.58 Moz | 31 Dec 2025 |
| Indicated | 676.90 Mt | 0.05 g/t | 1.09 Moz | 31 Dec 2025 |
| M&I = Measured + Indicated (overlaps both) | 935.80 Mt | 0.06 g/t | 1.81 Moz | 31 Dec 2025 |
| Inferred | 736.30 Mt | 0.04 g/t | 0.95 Moz | 31 Dec 2025 |
| Total Resources | 1,672.10 Mt | 0.05 g/t | 2.62 Moz | 31 Dec 2025 |
| Proved | — | — | — | — |
| Probable | — | — | — | — |
| Total Reserves | — | — | — | — |
M&I is the issuer's printed Measured + Indicated subtotal — it overlaps the Measured and Indicated rows and is never added alongside them; the Total rows and every rollup already exclude it.
| Category | Tonnes (Mt) | Grade (% Cu) | Contained (Mt Cu) | As at |
|---|---|---|---|---|
| Measured | 319.90 Mt | 0.41% | 1.31 Mt Cu | 31 Dec 2025 |
| Indicated | 722.30 Mt | 0.34% | 2.46 Mt Cu | 31 Dec 2025 |
| M&I = Measured + Indicated (overlaps both) | 1,042.10 Mt | 0.36% | 3.75 Mt Cu | 31 Dec 2025 |
| Inferred | 742.90 Mt | 0.27% | 2.01 Mt Cu | 31 Dec 2025 |
| Total Resources |
| Category | Tonnes (Mt) | Grade (% Mo) | Contained (Mt Mo) | As at |
|---|---|---|---|---|
| Measured | 258.90 Mt | 0.01% | 0.02 Mt Mo | 31 Dec 2025 |
| Indicated | 676.90 Mt | 0.01% | 0.05 Mt Mo | 31 Dec 2025 |
| M&I = Measured + Indicated (overlaps both) | 935.80 Mt | 0.01% | 0.07 Mt Mo | 31 Dec 2025 |
| Inferred | 736.30 Mt | 0.01% | 0.04 Mt Mo | 31 Dec 2025 |
| Total Resources |
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 | Cu | Mo | As at | Source | Provenance | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Grade (g/t Au) | Contained (Moz Au) | Grade (% Cu) | Contained (Mt Cu) | Grade (% Mo) | Contained (Mt Mo) | ||||||
| Total | Measured | 319.90 Mt | — | — | 0.41% | 1.31 Mt Cu | — | — | |||
| 0.32% |
| 5.77 Mt Cu |
| 31 Dec 2025 |
| Proved | — | — | — | — |
| Probable | — | — | — | — |
| Total Reserves | — | — | — | — |
M&I is the issuer's printed Measured + Indicated subtotal — it overlaps the Measured and Indicated rows and is never added alongside them; the Total rows and every rollup already exclude it.
| 0.01% |
| 0.11 Mt Mo |
| 31 Dec 2025 |
| Proved | — | — | — | — |
| Probable | — | — | — | — |
| Total Reserves | — | — | — | — |
M&I is the issuer's printed Measured + Indicated subtotal — it overlaps the Measured and Indicated rows and is never added alongside them; the Total rows and every rollup already exclude it.
| 31 Dec 2025 |
| 254Unverified |
notes (3)Source: Antofagasta plc - Annual Report and Financial Statements 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (subsidiaries 100% basis; Zaldivar 50%) · published 26 Mar 2026 Ref: 254
|
| Total | Indicated | 722.30 Mt | — | — | 0.34% | 2.46 Mt Cu | — | — | 31 Dec 2025 | 254Unverified | notes (3)Source: Antofagasta plc - Annual Report and Financial Statements 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (subsidiaries 100% basis; Zaldivar 50%) · published 26 Mar 2026 Ref: 254
|
| Total | M&I = Measured + Indicated (overlaps both) | 1,042.10 Mt | — | — | 0.36% | 3.75 Mt Cu | — | — | 31 Dec 2025 | 254Unverified | notes (3)Source: Antofagasta plc - Annual Report and Financial Statements 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (subsidiaries 100% basis; Zaldivar 50%) · published 26 Mar 2026 Ref: 254
|
| Total | Inferred | 742.90 Mt | — | — | 0.27% | 2.01 Mt Cu | — | — | 31 Dec 2025 | 254Unverified | notes (3)Source: Antofagasta plc - Annual Report and Financial Statements 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (subsidiaries 100% basis; Zaldivar 50%) · published 26 Mar 2026 Ref: 254
QA notes:
|
| Total | Total Resources | 1,672.10–1,785.10 Mt | 0.05 g/t | 2.62 Moz | 0.32% | 5.77 Mt Cu | 0.01% | 0.11 Mt Mo | 31 Dec 2025 | Unverified | — |
| Oxides | Measured | 61.00 Mt | — | — | 0.47% | 0.29 Mt Cu | — | — | 31 Dec 2025 | 254Unverified | notes (3)Source: Antofagasta plc - Annual Report and Financial Statements 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (subsidiaries 100% basis; Zaldivar 50%) · published 26 Mar 2026 Ref: 254
|
| Oxides | Indicated | 45.40 Mt | — | — | 0.37% | 0.17 Mt Cu | — | — | 31 Dec 2025 | 254Unverified | notes (3)Source: Antofagasta plc - Annual Report and Financial Statements 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (subsidiaries 100% basis; Zaldivar 50%) · published 26 Mar 2026 Ref: 254
|
| Oxides | M&I = Measured + Indicated (overlaps both) | 106.40 Mt | — | — | 0.43% | 0.46 Mt Cu | — | — | 31 Dec 2025 | 254Unverified | notes (3)Source: Antofagasta plc - Annual Report and Financial Statements 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (subsidiaries 100% basis; Zaldivar 50%) · published 26 Mar 2026 Ref: 254
|
| Oxides | Inferred | 6.60 Mt | — | — | 0.34% | 0.02 Mt Cu | — | — | 31 Dec 2025 | 254Unverified | notes (3)Source: Antofagasta plc - Annual Report and Financial Statements 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (subsidiaries 100% basis; Zaldivar 50%) · published 26 Mar 2026 Ref: 254
QA notes:
|
| Sulphides | Measured | 258.90 Mt | 0.07 g/t | 0.58 Moz | 0.40% | 1.04 Mt Cu | 0.01% | 0.02 Mt Mo | 31 Dec 2025 | 254Unverified | notes (3)Source: Antofagasta plc - Annual Report and Financial Statements 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (subsidiaries 100% basis; Zaldivar 50%) · published 26 Mar 2026 Ref: 254
|
| Sulphides | Indicated | 676.90 Mt | 0.05 g/t | 1.09 Moz | 0.33% | 2.23 Mt Cu | 0.01% | 0.05 Mt Mo | 31 Dec 2025 | 254Unverified | notes (3)Source: Antofagasta plc - Annual Report and Financial Statements 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (subsidiaries 100% basis; Zaldivar 50%) · published 26 Mar 2026 Ref: 254
|
| Sulphides | M&I = Measured + Indicated (overlaps both) | 935.80 Mt | 0.06 g/t | 1.81 Moz | 0.35% | 3.28 Mt Cu | 0.01% | 0.07 Mt Mo | 31 Dec 2025 | 254Unverified | notes (3)Source: Antofagasta plc - Annual Report and Financial Statements 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (subsidiaries 100% basis; Zaldivar 50%) · published 26 Mar 2026 Ref: 254
|
| Sulphides | Inferred | 736.30 Mt | 0.04 g/t | 0.95 Moz | 0.27% | 1.99 Mt Cu | 0.01% | 0.04 Mt Mo | 31 Dec 2025 | 254Unverified | notes (3)Source: Antofagasta plc - Annual Report and Financial Statements 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (subsidiaries 100% basis; Zaldivar 50%) · published 26 Mar 2026 Ref: 254
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. “M&I” is the issuer's printed Measured + Indicated subtotal: it overlaps the Measured and Indicated rows and is never added alongside them. All derived totals and rollups on this site already exclude the overlapping rows.