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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 | — | — | — | — |
| Indicated | 16.22 Mt | 0.74 g/t | 0.38 Moz | 27 Feb 2026 |
| Inferred | 28.97 Mt | 0.63 g/t | 0.59 Moz | 27 Feb 2026 |
| Total Resources | 45.19 Mt | 0.67 g/t | 0.97 Moz | 27 Feb 2026 |
| Proved | — | — | — | — |
| Probable | — | — | — | — |
| Total Reserves | — | — | — | — |
| Category | Tonnes (Mt) | Grade (g/t Ag) | Contained (Moz Ag) | As at |
|---|---|---|---|---|
| Measured | — | — | — | — |
| Indicated | 16.22 Mt | 2.00 g/t | 1.04 Moz | 27 Feb 2026 |
| Inferred | 28.97 Mt | 1.50 g/t | 1.39 Moz | 27 Feb 2026 |
| Total Resources | 45.19 Mt | 1.68 g/t | 2.43 Moz | 27 Feb 2026 |
| Proved | — | — | — | — |
| Probable |
| Category | Tonnes (Mt) | Grade (% Cu) | Contained (Mt Cu) | As at |
|---|---|---|---|---|
| Measured | — | — | — | — |
| Indicated | 16.22 Mt | 0.63% | 0.10 Mt Cu | 27 Feb 2026 |
| Inferred | 28.97 Mt | 0.48% | 0.14 Mt Cu | 27 Feb 2026 |
| Total Resources | 45.19 Mt | 0.53% | 0.24 Mt Cu | 27 Feb 2026 |
| Proved | — | — | — | — |
| Probable |
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 | Ag | Cu | As at | Source | Provenance | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Grade (g/t Au) | Contained (Moz Au) | Grade (g/t Ag) | Contained (Moz Ag) | Grade (% Cu) | Contained (Mt Cu) | ||||||
| Total | Indicated | 16.22 Mt | 0.74 g/t | 0.38 Moz | 2.00 g/t | 1.04 Moz | 0.63% | ||||
| — |
| — |
| — |
| Total Reserves | — | — | — | — |
| — |
| — |
| — |
| Total Reserves | — | — | — | — |
| 27 Feb 2026 |
| Table 1 Kwanika Central Mineral Resource Summary (as at the Effective Date)Unverified |
notes (4)Source: NorthWest Announces Updated Mineral Resource at Kwanika Reflecting Strategic Shift to Higher-Grade Copper-Gold Focus · published 02 Mar 2026 Ref: Table 1 Kwanika Central Mineral Resource Summary (as at the Effective Date)
QA notes:
|
| Total | Inferred | 28.97 Mt | 0.63 g/t | 0.59 Moz | 1.50 g/t | 1.39 Moz | 0.48% | 0.14 Mt Cu | 27 Feb 2026 | Table 1 Kwanika Central Mineral Resource Summary (as at the Effective Date)Unverified | notes (4)Source: NorthWest Announces Updated Mineral Resource at Kwanika Reflecting Strategic Shift to Higher-Grade Copper-Gold Focus · published 02 Mar 2026 Ref: Table 1 Kwanika Central Mineral Resource Summary (as at the Effective Date)
QA notes:
|
| Total | Total Resources | 45.19 Mt | 0.67 g/t | 0.97 Moz | 1.68 g/t | 2.43 Moz | 0.53% | 0.24 Mt Cu | 27 Feb 2026 | derived from 2 rows | — |
| Open Pit | Indicated | 8.99 Mt | 0.51 g/t | 0.15 Moz | 1.80 g/t | 0.51 Moz | 0.55% | 0.05 Mt Cu | 27 Feb 2026 | Table 2a Breakdown of Open Pit Mineral Resource at Kwanika Central DepositUnverified | notes (3)Source: NorthWest Announces Updated Mineral Resource at Kwanika Reflecting Strategic Shift to Higher-Grade Copper-Gold Focus · published 02 Mar 2026 Ref: Table 2a Breakdown of Open Pit Mineral Resource at Kwanika Central Deposit
|
| Open Pit | Inferred | 9.18 Mt | 0.35 g/t | 0.10 Moz | 1.00 g/t | 0.30 Moz | 0.33% | 0.03 Mt Cu | 27 Feb 2026 | Table 2a Breakdown of Open Pit Mineral Resource at Kwanika Central DepositUnverified | notes (4)Source: NorthWest Announces Updated Mineral Resource at Kwanika Reflecting Strategic Shift to Higher-Grade Copper-Gold Focus · published 02 Mar 2026 Ref: Table 2a Breakdown of Open Pit Mineral Resource at Kwanika Central Deposit
QA notes:
|
| Underground Sub-Level Cave | Indicated | 7.23 Mt | 1.01 g/t | 0.24 Moz | 2.30 g/t | 0.52 Moz | 0.73% | 0.05 Mt Cu | 27 Feb 2026 | Table 2b Breakdown of Sub-Level Cave Mineral Resource at Kwanika Central DepositUnverified | notes (3)Source: NorthWest Announces Updated Mineral Resource at Kwanika Reflecting Strategic Shift to Higher-Grade Copper-Gold Focus · published 02 Mar 2026 Ref: Table 2b Breakdown of Sub-Level Cave Mineral Resource at Kwanika Central Deposit
|
| Underground Sub-Level Cave | Inferred | 19.80 Mt | 0.76 g/t | 0.49 Moz | 1.70 g/t | 1.09 Moz | 0.55% | 0.11 Mt Cu | 27 Feb 2026 | Table 2b Breakdown of Sub-Level Cave Mineral Resource at Kwanika Central DepositUnverified | notes (3)Source: NorthWest Announces Updated Mineral Resource at Kwanika Reflecting Strategic Shift to Higher-Grade Copper-Gold Focus · published 02 Mar 2026 Ref: Table 2b Breakdown of Sub-Level Cave Mineral Resource at Kwanika Central Deposit
|
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.