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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 | 1.70 Mt | 5.73 g/t | 0.31 Moz | 31 Dec 2025 |
| Indicated | 1.17 Mt | 4.55 g/t | 0.17 Moz | 31 Dec 2025 |
| M&I = Measured + Indicated (overlaps both) | 2.87 Mt | 5.25 g/t | 0.48 Moz | 31 Dec 2025 |
| Inferred | 2.67 Mt | 3.81 g/t | 0.33 Moz | 31 Dec 2025 |
| Total Resources | 3.80 Mt | 4.95 g/t | 0.60 Moz | 31 Dec 2025 |
| Proved | 1.01 Mt | 3.72 g/t | 0.12 Moz | 31 Dec 2025 |
| Probable | 0.73 Mt | 3.69 g/t | 0.09 Moz | 31 Dec 2025 |
| Total Reserves | 1.74 Mt | 3.71 g/t | 0.21 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 | 1.70 Mt | 341.00 g/t | 18.63 Moz | 31 Dec 2025 |
| Indicated | 1.17 Mt | 242.00 g/t | 9.02 Moz | 31 Dec 2025 |
| M&I = Measured + Indicated (overlaps both) | 2.87 Mt | 301.00 g/t | 27.84 Moz | 31 Dec 2025 |
| Inferred | 2.67 Mt | 222.00 g/t | 19.02 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 | 1.70 Mt | 5.73 g/t | 0.31 Moz | 341.00 g/t | 18.63 Moz | 31 Dec 2025 | 206Unverified | |
| 295.54 g/t |
| 36.08 Moz |
| 31 Dec 2025 |
| Proved | 1.01 Mt | 199.00 g/t | 6.47 Moz | 31 Dec 2025 |
| Probable | 0.73 Mt | 175.00 g/t | 4.12 Moz | 31 Dec 2025 |
| Total Reserves | 1.74 Mt | 189.00 g/t | 10.59 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 (5)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:
|
| Indicated | 1.17 Mt | 4.55 g/t | 0.17 Moz | 242.00 g/t | 9.02 Moz | 31 Dec 2025 | 206Unverified | notes (5)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:
|
| M&I = Measured + Indicated (overlaps both) | 2.87 Mt | 5.25 g/t | 0.48 Moz | 301.00 g/t | 27.84 Moz | 31 Dec 2025 | 206Unverified | notes (5)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:
|
| Inferred | 2.67 Mt | 3.81 g/t | 0.33 Moz | 222.00 g/t | 19.02 Moz | 31 Dec 2025 | 206Unverified | notes (5)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 | 3.80 Mt | 4.95 g/t | 0.60 Moz | 295.54 g/t | 36.08 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 | 1.01 Mt | 3.72 g/t | 0.12 Moz | 199.00 g/t | 6.47 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 | 0.73 Mt | 3.69 g/t | 0.09 Moz | 175.00 g/t | 4.12 Moz | 31 Dec 2025 | 205Unverified | |
| Total Reserves | 1.74 Mt | 3.71 g/t | 0.21 Moz | 189.00 g/t | 10.59 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.
Figures are on a 100% project basis unless a row carries the attrib chip; Hochschild Mining plc holds 51.0% of this project.