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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 | 4.98 Mt | 2.46 g/t | 0.39 Moz | 31 Dec 2025 |
| Indicated | 6.15 Mt | 2.29 g/t | 0.45 Moz | 31 Dec 2025 |
| M&I = Measured + Indicated (overlaps both) | 11.14 Mt | 2.37 g/t | 0.85 Moz | 31 Dec 2025 |
| Inferred | 19.87 Mt | 2.39 g/t | 1.53 Moz | 31 Dec 2025 |
| Total Resources | 25.51 Mt | 2.42 g/t | 1.98 Moz | 31 Dec 2025 |
| Proved | 2.36 Mt | 2.30 g/t | 0.17 Moz | 31 Dec 2025 |
| Probable | 3.14 Mt | 2.11 g/t | 0.21 Moz | 31 Dec 2025 |
| Total Reserves | 5.49 Mt | 2.19 g/t | 0.39 Moz | 31 Dec 2025 |
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.
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 (g/t Ag) | Contained (Moz Ag) | As at |
|---|---|---|---|---|
| Measured | 4.98 Mt | 98.00 g/t | 15.70 Moz | 31 Dec 2025 |
| Indicated | 6.15 Mt | 100.00 g/t | 19.80 Moz | 31 Dec 2025 |
| M&I = Measured + Indicated (overlaps both) | 11.14 Mt | 99.00 g/t | 35.50 Moz | 31 Dec 2025 |
| Inferred | 19.87 Mt | 93.00 g/t | 59.60 Moz | 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.
| Category | Tonnes (Mt) | Au | Ag | As at | Source | Provenance | ||
|---|---|---|---|---|---|---|---|---|
| Grade (g/t Au) | Contained (Moz Au) | Grade (g/t Ag) | Contained (Moz Ag) | |||||
| Measured | 4.98 Mt | 2.46 g/t | 0.39 Moz | 98.00 g/t | 15.70 Moz | 31 Dec 2025 | 206Unverified | |
| 96.32 g/t |
| 79.00 Moz |
| 31 Dec 2025 |
| Proved | 2.36 Mt | 90.00 g/t | 6.80 Moz | 31 Dec 2025 |
| Probable | 3.14 Mt | 92.00 g/t | 9.30 Moz | 31 Dec 2025 |
| Total Reserves | 5.49 Mt | 91.00 g/t | 16.10 Moz | 31 Dec 2025 |
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.
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.
notes (3)Source: Hochschild Mining plc - Annual Report and Accounts 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (Inmaculada, San Jose, Mara Rosa) · published 10 Apr 2026 Ref: 206
|
| Indicated | 6.15 Mt | 2.29 g/t | 0.45 Moz | 100.00 g/t | 19.80 Moz | 31 Dec 2025 | 206Unverified | notes (3)Source: Hochschild Mining plc - Annual Report and Accounts 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (Inmaculada, San Jose, Mara Rosa) · published 10 Apr 2026 Ref: 206
|
| M&I = Measured + Indicated (overlaps both) | 11.14 Mt | 2.37 g/t | 0.85 Moz | 99.00 g/t | 35.50 Moz | 31 Dec 2025 | 206Unverified | notes (3)Source: Hochschild Mining plc - Annual Report and Accounts 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (Inmaculada, San Jose, Mara Rosa) · published 10 Apr 2026 Ref: 206
|
| Inferred | 19.87 Mt | 2.39 g/t | 1.53 Moz | 93.00 g/t | 59.60 Moz | 31 Dec 2025 | 206Unverified | notes (3)Source: Hochschild Mining plc - Annual Report and Accounts 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (Inmaculada, San Jose, Mara Rosa) · published 10 Apr 2026 Ref: 206
QA notes:
|
| Total Resources | 25.51 Mt | 2.42 g/t | 1.98 Moz | 96.32 g/t | 79.00 Moz | 31 Dec 2025 | Unverified | — |
| Category | Tonnes (Mt) | Au | Ag | As at | Source | Provenance | ||
|---|---|---|---|---|---|---|---|---|
| Grade (g/t Au) | Contained (Moz Au) | Grade (g/t Ag) | Contained (Moz Ag) | |||||
| Proved | 2.36 Mt | 2.30 g/t | 0.17 Moz | 90.00 g/t | 6.80 Moz | 31 Dec 2025 | 205Unverified | notes (4)Source: Hochschild Mining plc - Annual Report and Accounts 2025, incl. Ore Reserves and Mineral Resources as at 31 Dec 2025 (Inmaculada, San Jose, Mara Rosa) · published 10 Apr 2026 Ref: 205
QA notes:
|
| Probable | 3.14 Mt | 2.11 g/t | 0.21 Moz | 92.00 g/t | 9.30 Moz | 31 Dec 2025 | 205Unverified | |
| Total Reserves | 5.49 Mt | 2.19 g/t | 0.39 Moz | 91.00 g/t | 16.10 Moz | 31 Dec 2025 | 205Unverified | |
Rows are hierarchical, not additive — do not sum a column across rows. “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.
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.