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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 | 43.70 Mt | 0.11 g/t | 0.15 Moz | 31 Dec 2025 |
| Indicated | 34.40 Mt | 0.07 g/t | 0.08 Moz | 31 Dec 2025 |
| M&I = Measured + Indicated (overlaps both) | 78.10 Mt | 0.09 g/t | 0.23 Moz | 31 Dec 2025 |
| Inferred | 21.00 Mt | 0.04 g/t | 0.03 Moz | 31 Dec 2025 |
| Total Resources | 99.10 Mt | 0.08 g/t | 0.26 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 | 45.40 Mt | 0.32% | 0.15 Mt Cu | 31 Dec 2025 |
| Indicated | 59.20 Mt | 0.27% | 0.16 Mt Cu | 31 Dec 2025 |
| M&I = Measured + Indicated (overlaps both) | 104.60 Mt | 0.29% | 0.30 Mt Cu | 31 Dec 2025 |
| Inferred | 41.90 Mt | 0.24% | 0.10 Mt Cu | 31 Dec 2025 |
| Total Resources |
| Category | Tonnes (Mt) | Grade (% Mo) | Contained (Mt Mo) | As at |
|---|---|---|---|---|
| Measured | 43.70 Mt | 0.01% | 3.06 kt Mo | 31 Dec 2025 |
| Indicated | 34.40 Mt | 0.01% | 3.1 kt Mo | 31 Dec 2025 |
| M&I = Measured + Indicated (overlaps both) | 78.10 Mt | 0.01% | 0.01 Mt Mo | 31 Dec 2025 |
| Inferred | 21.00 Mt | 0.01% | 1.89 kt 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 | 45.40 Mt | — | — | 0.32% | 0.15 Mt Cu | — | — | |||
| 0.28% |
| 0.41 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% |
| 0.01 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 |
| 255Unverified |
notes (2)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: 255
|
| Total | Indicated | 59.20 Mt | — | — | 0.27% | 0.16 Mt Cu | — | — | 31 Dec 2025 | 255Unverified | notes (2)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: 255
|
| Total | M&I = Measured + Indicated (overlaps both) | 104.60 Mt | — | — | 0.29% | 0.30 Mt Cu | — | — | 31 Dec 2025 | 255Unverified | notes (2)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: 255
|
| Total | Inferred | 41.90 Mt | — | — | 0.24% | 0.10 Mt Cu | — | — | 31 Dec 2025 | 255Unverified | notes (2)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: 255
QA notes:
|
| Total | Total Resources | 99.10–146.50 Mt | 0.08 g/t | 0.26 Moz | 0.28% | 0.41 Mt Cu | 0.01% | 0.01 Mt Mo | 31 Dec 2025 | Unverified | — |
| Oxides | Measured | 1.60 Mt | — | — | 0.26% | 4.16 kt Cu | — | — | 31 Dec 2025 | 255Unverified | 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: 255
|
| Oxides | Indicated | 24.80 Mt | — | — | 0.27% | 0.07 Mt Cu | — | — | 31 Dec 2025 | 255Unverified | 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: 255
|
| Oxides | M&I = Measured + Indicated (overlaps both) | 26.50 Mt | — | — | 0.26% | 0.07 Mt Cu | — | — | 31 Dec 2025 | 255Unverified | 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: 255
|
| Oxides | Inferred | 20.80 Mt | — | — | 0.24% | 0.05 Mt Cu | — | — | 31 Dec 2025 | 255Unverified | 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: 255
QA notes:
|
| Sulphides | Measured | 43.70 Mt | 0.11 g/t | 0.15 Moz | 0.32% | 0.14 Mt Cu | 0.01% | 3.06 kt Mo | 31 Dec 2025 | 255Unverified | 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: 255
|
| Sulphides | Indicated | 34.40 Mt | 0.07 g/t | 0.08 Moz | 0.27% | 0.09 Mt Cu | 0.01% | 3.1 kt Mo | 31 Dec 2025 | 255Unverified | 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: 255
|
| Sulphides | M&I = Measured + Indicated (overlaps both) | 78.10 Mt | 0.09 g/t | 0.23 Moz | 0.30% | 0.23 Mt Cu | 0.01% | 0.01 Mt Mo | 31 Dec 2025 | 255Unverified | 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: 255
|
| Sulphides | Inferred | 21.00 Mt | 0.04 g/t | 0.03 Moz | 0.24% | 0.05 Mt Cu | 0.01% | 1.89 kt Mo | 31 Dec 2025 | 255Unverified | 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: 255
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.