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Reporting assumptions

These choices persist and are added to shared URLs.

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).

15-Mile Processing Hub

Nova Scotia, Canada · Developing · 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.

Category	Tonnes (Mt)	Grade (g/t Au)	Contained (Moz Au)	As at
Measured	17.60 Mt	1.20 g/t	0.70 Moz	01 July 2026
Indicated	38.70 Mt	1.30 g/t	1.57 Moz	01 July 2026
Inferred	6.10 Mt	1.20 g/t	0.24 Moz	01 July 2026
Total Resources	62.40 Mt	1.20 g/t	2.51 Moz	01 July 2026
Proved	—	—	—	—
Probable	—	—	—	—
Total Reserves	—	—	—	—

Cut-off grade

0.3000 g/t Au

Price assumption

A$2500.00/oz

JORC code year

2012

Peer benchmark — developing Au projects (284 with resources)Resource size P75Resource grade P58View 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: 15-Mile Processing Hub Mineral Resources Estimate Increases · 01 July 2026
Reporting code: JORC 2012
Convention: unknown
Currency assumption: A$
Disagreement flags: 9 rows

Current R&R

Resources

Area	Category	Tonnes (Mt)	Au		As at	Source	Provenance
Area	Category	Tonnes (Mt)	Grade (g/t Au)	Contained (Moz Au)	As at	Source	Provenance
Total	Measured	17.60 Mt	1.20 g/t	0.70 Moz	01 July 2026	3Unverified Evidence record 15-Mile Processing Hub Measured · Au · as at 2026-07-01 Reported figure Area Whole project Basis 100% Ore tonnes (t) 17600000.0000 Grade 1.2000 Contained (oz) 700000.0000 Classification Resource Source trail 15-Mile Processing Hub Mineral Resources Estimate Increases 3 Published 2026-07-28 Verification Approved; not independently verified · Model extracted QA WARN: tonnes/contained equal the SUM of 2 sibling row(s) of the same classification/category/commodity (Old Mitchell Mine, Old Austen Mine) — likely a printed multi-deposit rollup/subtotal. Policy keeps leaf rows and printed whole-project Totals only; reject mid-level rollups (double-count). QA INFO: recompute differs 3.00% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±10.17% (rounding granularity) — treated as reconciled. Copies a pre-filled issue record so you can send it through your normal channel.

15-Mile Mine

Indicated

30.20 Mt

1.20 g/t

1.19 Moz

01 July 2026

3Unverified

notes (4)

Source: 15-Mile Processing Hub Mineral Resources Estimate Increases · published 28 July 2026

Ref: 3

JORC 2012 — Reporting code of record: JORC 2012
Cutoff 0.30 g/t Au — Cut-off grade assumption from the source statement.
@ A$ 2,500/oz — Metal price assumption used to derive this estimate.

QA notes:

QA WARN: mining_area '15-Mile Mine' matches this company's APPROVED standalone project '15-Mile' — hub/satellite double-representation (RMS class): the same deposit exists both as its own project and as an area of '15-Mile Processing Hub'. This hub-shaped row is the better-modeled copy — KEEP it, and retire the standalone '15-Mile' project's overlapping rows instead (they double-count the company total). QA INFO: recompute differs 2.09% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±4.59% (rounding granularity) — treated as reconciled.

15-Mile Mine

Inferred

5.50 Mt

1.10 g/t

0.20 Moz