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Reporting assumptions

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Ownership basis

Show the full project inventory before ownership adjustment.

Display scale

Display contained quantities in millions of ounces or tonnes.

Resource treatment

Normalise Resources to exclude Reserves: where a project is flagged inclusive, net Reserves out of Resources so the figure is additional Resources beyond Reserves. Unknown-convention rows are shown as stated.

Resource total

Total Resource includes Inferred (JORC convention). Totals are re-derived from category rows wherever the document discloses them.

Recovery basis

Show the issuer's headline recoverable figure as reported. Lithium-brine reserves already have the brine-processing recovery factor applied; everything else is shown as stated.

Commodity view

Primary view: each commodity in its own contained unit (oz / t).

Brucejack

British Columbia, Canada · Producing · 100.0% ownedUnverified

Current R&R by category

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.

Au

Category	Tonnes (Mt)	Grade (g/t Au)	Contained (Moz Au)	As at
Measured	—	—	—	—
Indicated	4.30 Mt	4.13 g/t	0.60 Moz	31 Dec 2025
Inferred	14.50 Mt	5.30 g/t	2.50 Moz	31 Dec 2025
Total Resources	18.80 Mt	5.03 g/t	3.10 Moz	31 Dec 2025
Proved	—	—	—	—
Probable	13.50 Mt	6.65 g/t	2.90 Moz	31 Dec 2025
Total Reserves	8.60 Mt	6.95 g/t	1.90 Moz	31 Dec 2024

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.

Ag

Category	Tonnes (Mt)	Grade (g/t Ag)	Contained (Moz Ag)	As at
Measured	—	—	—	—
Indicated	4.30 Mt	15.90 g/t	2.20 Moz	31 Dec 2025
Inferred	14.50 Mt	11.70 g/t	5.50 Moz	31 Dec 2025
Total Resources	18.80 Mt	12.66 g/t	7.70 Moz	31 Dec 2025
Proved	—	—	—	—
Probable

Cut-off grade

—

Price assumption

US$2300.00/oz · US$2000.00/oz · US$25.00/oz · US$18.00/oz · US$1300.00/oz

JORC code year

—

Peer benchmark — producing Au projects (282 with resources)Resource size P62Resource grade P89View on grade-tonnage chart →

Percentile of this project's current total Resource among covered peers (P100 = largest / highest grade). Basis and Inferred toggles apply.

Data quality

Latest source: 10-K: 10-K · 31 Dec 2025
Reporting code: SK-1300
Convention: exclusive
Currency assumption: US$
Disagreement flags: 3 rows

Current R&R

Resources

Category	Tonnes (Mt)	Au		Ag		As at	Source	Provenance
Category	Tonnes (Mt)	Grade (g/t Au)	Contained (Moz Au)	Grade (g/t Ag)	Contained (Moz Ag)	As at	Source	Provenance
Indicated	4.30 Mt	4.13 g/t	0.60 Moz	15.90 g/t	2.20 Moz	31 Dec 2025	Silver Resources at December 31, 2025Unverified Evidence record Brucejack Indicated · Ag · as at 2025-12-31 Reported figure Area Whole project Basis 100% Ore tonnes (t) 4300000.0000 Grade 15.9000 Contained (oz) 2200000.0000 Classification Resource Source trail 10-K: 10-K Silver Resources at December 31, 2025 Published 2026-02-19 Verification Approved; not independently verified · Model extracted Copies a pre-filled issue record so you can send it through your normal channel.

Reserves

Category	Tonnes (Mt)	Au		Ag		As at	Source	Provenance
Category	Tonnes (Mt)	Grade (g/t Au)	Contained (Moz Au)	Grade (g/t Ag)	Contained (Moz Ag)	As at	Source	Provenance
Probable	13.50 Mt	6.65 g/t	2.90 Moz	29.39 g/t	12.80 Moz	31 Dec 2025	Gold Reserves at December 31, 2025Unverified Evidence record Brucejack Probable · Au · as at 2025-12-31 Reported figure Area Whole project Basis attributable Ore tonnes (t) 13500000.0000 Grade 6.6500 Contained (oz) 2900000.0000 Classification Reserve Source trail 10-K: 10-K Gold Reserves at December 31, 2025 Published 2026-02-19 Verification Approved; not independently verified · Model extracted QA WARN: unrecognised source metal label 'Grade (g/tonne)' for Au — verify the commodity mapping. Copies a pre-filled issue record so you can send it through your normal channel.	notes (4) Source: 10-K: 10-K · published 19 Feb 2026 Ref: Gold Reserves at December 31, 2025 SK-1300 — Reporting code of record: SK-1300 @ US$ 2,000/oz — Metal price assumption used to derive this estimate. attrib — Figures are net to the issuer's ownership interest as reported (attributable basis) — NOT 100% of the project. QA notes: QA WARN: unrecognised source metal label 'Grade (g/tonne)' for Au — verify the commodity mapping.
Total Reserves	8.60 Mt	6.95 g/t	1.90 Moz	34.36 g/t	9.50 Moz	31 Dec 2024	Silver Reserves at December 31, 2024Unverified Evidence record Brucejack Total Reserve · Ag · as at 2024-12-31 Reported figure Area Whole project Basis attributable Ore tonnes (t) 8600000.0000 Grade 34.3600 Contained (oz) 9500000.0000 Classification Reserve Source trail 10-K: 10-K Silver Reserves at December 31, 2024 Published 2025-02-21 Verification Approved; not independently verified · Model extracted tranche12 QA: verified against printed source table Copies a pre-filled issue record so you can send it through your normal channel.	notes (4) Source: 10-K: 10-K · published 21 Feb 2025 Ref: Silver Reserves at December 31, 2024