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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).

Mt Boppy

New South Wales, Australia · 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	0.37 Mt	4.01 g/t	0.04 Moz	05 Aug 2025
Indicated	1.76 Mt	1.42 g/t	0.07 Moz	05 Aug 2025
Inferred	0.90 Mt	1.09 g/t	0.03 Moz	30 May 2025
Total Resources	2.54 Mt	1.28 g/t	0.11 Moz	05 Aug 2025
Proved	—	—	—	—
Probable	0.79 Mt	3.42 g/t	0.09 Moz	05 Aug 2025
Total Reserves	0.29 Mt	4.20 g/t	0.04 Moz	18 July 2025

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.

Cut-off grade

1.0000 g/t Au

Price assumption

A$4000.00/oz

JORC code year

2012

Peer benchmark — developing Au projects (284 with resources)Resource size P15Resource grade P69View 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: Amended Announcement - Updated Cobar Basin PFS · 05 Aug 2025
Reporting code: JORC 2012
Convention: inclusive
Currency assumption: A$
Disagreement flags: 8 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
In-Ground	Measured	0.20 Mt	4.01 g/t	0.02 Moz	05 Aug 2025	30Unverified Evidence record Mt Boppy Measured · Au · as at 2025-08-05 Reported figure Area In-Ground Basis 100% Ore tonnes (t) 200000.0000 Grade 4.0100 Contained (oz) 21800.0000 Classification Resource Source trail Amended Announcement - Updated Cobar Basin PFS 30 Published 2026-03-23 Verification Approved; not independently verified · Model extracted QA BLOCK: recomputed contained 25784.8987 oz vs reported 21800.0 oz (18.28% disagreement) \| QA fix: as_at=2025-08-05 \| doc p30: "The Mt Boppy Mineral Resource Estimate was previously released to the ASX on 5 August 2025 and remains unchanged"; figures verbatim from Table A5 "Measured 0.2 4.01 21.8" — the 18.28% BLOCK is print-rounding (0.2Mt is 1-sig-fig; ~0.169Mt x 4.01 = 21.8koz), reconciled \| QA approved: verified against the source print by the tranche-21 agent pass Copies a pre-filled issue record so you can send it through your normal channel.

Reserves

Area	Category	Tonnes (Mt)	Au		As at	Source	Provenance
Area	Category	Tonnes (Mt)	Grade (g/t Au)	Contained (Moz Au)	As at	Source	Provenance
In-Ground	Probable	0.30 Mt	4.20 g/t	0.04 Moz	05 Aug 2025	30Unverified Evidence record Mt Boppy Probable · Au · as at 2025-08-05 Reported figure Area In-Ground Basis 100% Ore tonnes (t) 300000.0000 Grade 4.2000 Contained (oz) 39000.0000 Classification Reserve Source trail Amended Announcement - Updated Cobar Basin PFS 30 Published 2026-03-23 Verification Approved; not independently verified · Model extracted QA WARN: recomputed contained 40509.9407 oz vs reported 39000.0 oz (3.87% disagreement) \| QA fix: as_at=2025-08-05 \| doc p30: "The Open Pit Ore Reserve was previously released to the ASX on 5 August 2025 and remains unchanged"; Table A2 "Probable – Mt Boppy In-Ground 0.3 - - 4.2 39.0" verbatim \| QA approved: verified against the source print by the tranche-21 agent pass Copies a pre-filled issue record so you can send it through your normal channel.	notes (5) Source: Amended Announcement - Updated Cobar Basin PFS · published 23 Mar 2026 Ref: 30 JORC 2012 — Reporting code of record: JORC 2012 QA notes: QA WARN: recomputed contained 40509.9407 oz vs reported 39000.0 oz (3.87% disagreement) QA fix: as_at=2025-08-05 doc p30: "The Open Pit Ore Reserve was previously released to the ASX on 5 August 2025 and remains unchanged"; Table A2 "Probable – Mt Boppy In-Ground 0.3 - - 4.2 39.0" verbatim QA approved: verified against the source print by the tranche-21 agent pass
Open Pit	Probable	0.29 Mt	4.20 g/t	0.04 Moz	18 July 2025	page 14Unverified Evidence record Mt Boppy Probable · Au · as at 2025-07-18 Reported figure Area Open Pit Basis 100% Ore tonnes (t) 290000.0000 Grade 4.2000 Contained (oz) 39000.0000 Classification Reserve Source trail Maiden Mt Boppy Open Pit Ore Reserve page 14 Published 2025-07-29 Verification Approved; not independently verified · Model extracted QA approved: verified against the source print by the tranche-23 agent pass Copies a pre-filled issue record so you can send it through your normal channel.	notes (4) Source: Maiden Mt Boppy Open Pit Ore Reserve · published 29 July 2025 Ref: page 14 JORC 2012 — Reporting code of record: JORC 2012
Open Pit	Total Reserves	0.29 Mt	4.20 g/t	0.04 Moz	18 July 2025	page 14Unverified Evidence record Mt Boppy Total Reserve · Au · as at 2025-07-18 Reported figure Area Open Pit Basis 100% Ore tonnes (t) 290000.0000 Grade 4.2000 Contained (oz) 39000.0000 Classification Reserve Source trail Maiden Mt Boppy Open Pit Ore Reserve page 14 Published 2025-07-29 Verification Approved; not independently verified · Model extracted QA approved: verified against the source print by the tranche-23 agent pass Copies a pre-filled issue record so you can send it through your normal channel.	notes (4) Source: Maiden Mt Boppy Open Pit Ore Reserve · published 29 July 2025 Ref: page 14 JORC 2012
Stockpiles	Probable	0.20 Mt	1.10 g/t	0.01 Moz	30 May 2025	30Unverified Evidence record Mt Boppy Probable · Au · as at 2025-05-30 Reported figure Area Stockpiles Basis 100% Ore tonnes (t) 200000.0000 Grade 1.1000 Contained (oz) 7300.0000 Classification Reserve Source trail Amended Announcement - Updated Cobar Basin PFS 30 Published 2026-03-23 Verification Approved; not independently verified · Model extracted QA INFO: recompute differs 3.11% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±4.55% (rounding granularity) — treated as reconciled. \| QA approved: verified against the source print by the tranche-21 agent pass Copies a pre-filled issue record so you can send it through your normal channel.	notes (3) Source: Amended Announcement - Updated Cobar Basin PFS · published 23 Mar 2026 Ref: 30