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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).

Hillgrove

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	0.67 Mt	3.20 g/t	0.07 Moz	06 May 2025
Indicated	4.24 Mt	4.50 g/t	0.61 Moz	06 May 2025
Inferred	3.85 Mt	3.70 g/t	0.46 Moz	06 May 2025
Total Resources	8.77 Mt	4.00 g/t	1.14 Moz	06 May 2025
Proved	—	—	—	—
Probable	—	—	—	—
Total Reserves	—	—	—	—

Cut-off grade

2.3000 g/t Au · 0.6500 g/t Au · 0.5000 g/t Au

Price assumption

—

JORC code year

2012

Peer benchmark — developing Au projects (284 with resources)Resource size P57Resource grade P91View 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: Hillgrove Antimony-Gold Project Delivers Compelling DFS · 06 May 2025
Reporting code: JORC 2012
Convention: inclusive
Currency assumption: A$
Disagreement flags: 7 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	0.67 Mt	3.20 g/t	0.07 Moz	06 May 2025	37-38Unverified Evidence record Hillgrove Measured · Au · as at 2025-05-06 Reported figure Area Whole project Basis 100% Ore tonnes (t) 672000.0000 Grade 3.2000 Contained (oz) 70000.0000 Classification Resource Source trail Hillgrove Antimony-Gold Project Delivers Compelling DFS 37-38 Published 2025-05-06 Verification Approved; not independently verified · Model extracted QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA WARN: 2 rows share this exact identity in this document with CONFLICTING figures (sibling copies: t=4914000 conf=0.85) — at most one matches the print; the others are likely fabricated duplicates (verify against the printed table and reject the copies that do not appear). QA WARN: tonnes/contained equal the SUM of 3 sibling row(s) of the same classification/category/commodity (Metz, Clarks Gully, Brackins Spur) — likely a printed multi-deposit rollup/subtotal. Policy keeps leaf rows and printed whole-project Totals only; reject mid-level rollups (double-count). QA BLOCK: conflicting duplicate — this (project, mining area, commodity, classification, category, as-at date) appears 2 times in the document WITH DIFFERENT figures. At most one copy matches the print; verify each against the document and reject the rest (a copy whose figures appear nowhere in the text is fabricated). QA INFO: recompute differs 1.23% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±7.64% (rounding granularity) — treated as reconciled. QA INFO: partial commodity coverage — the document also reports Sb (%) for this project, outside the supported commodity list and not captured; this project's stored figures do not include all its commodities. Copies a pre-filled issue record so you can send it through your normal channel.

Brackins Spur

Measured

0.12 Mt

5.00 g/t

0.02 Moz

06 May 2025

38Unverified

notes (4)

Source: Hillgrove Antimony-Gold Project Delivers Compelling DFS · published 06 May 2025

Ref: 38

JORC 2012 — Reporting code of record: JORC 2012
Cutoff 2.30 g/t Au — Cut-off grade assumption from the source statement.
inc — Stated Resources are inclusive of Reserves. Set Resources: Excl. Reserves to net them out.

QA notes:

QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA WARN: 2 rows share this exact identity in this document with CONFLICTING figures (sibling copies: t=693000 conf=0.85) — at most one matches the print; the others are likely fabricated duplicates (verify against the printed table and reject the copies that do not appear). QA BLOCK: conflicting duplicate — this (project, mining area, commodity, classification, category, as-at date) appears 2 times in the document WITH DIFFERENT figures. At most one copy matches the print; verify each against the document and reject the rest (a copy whose figures appear nowhere in the text is fabricated). QA INFO: recompute differs 1.01% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±4.06% (rounding granularity) — treated as reconciled. QA INFO: partial commodity coverage — the document also reports Sb (%) for this project, outside the supported commodity list and not captured; this project's stored figures do not include all its commodities.

Clarks Gully

Measured

0.34 Mt

2.00 g/t

0.02 Moz

06 May 2025

38Unverified

notes (4)

Source: Hillgrove Antimony-Gold Project Delivers Compelling DFS · published 06 May 2025

Ref: 38

JORC 2012 — Reporting code of record: JORC 2012
Cutoff 0.65 g/t Au — Cut-off grade assumption from the source statement.
inc — Stated Resources are inclusive of Reserves. Set Resources: Excl. Reserves to net them out.

QA notes:

QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA WARN: 2 rows share this exact identity in this document with CONFLICTING figures (sibling copies: t=551000 conf=0.85) — at most one matches the print; the others are likely fabricated duplicates (verify against the printed table and reject the copies that do not appear). QA BLOCK: conflicting duplicate — this (project, mining area, commodity, classification, category, as-at date) appears 2 times in the document WITH DIFFERENT figures. At most one copy matches the print; verify each against the document and reject the rest (a copy whose figures appear nowhere in the text is fabricated). QA INFO: recompute differs 2.58% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±5.03% (rounding granularity) — treated as reconciled. QA INFO: partial commodity coverage — the document also reports Sb (%) for this project, outside the supported commodity list and not captured; this project's stored figures do not include all its commodities.

Clarks Gully

Indicated

0.22 Mt

2.40 g/t

0.02 Moz

06 May 2025

38Unverified

notes (4)

Source: Hillgrove Antimony-Gold Project Delivers Compelling DFS · published 06 May 2025

Ref: 38

JORC 2012 — Reporting code of record: JORC 2012
Cutoff 0.65 g/t Au — Cut-off grade assumption from the source statement.
inc — Stated Resources are inclusive of Reserves. Set Resources: Excl. Reserves to net them out.

QA notes:

QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA INFO: recompute differs 2.41% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±5.26% (rounding granularity) — treated as reconciled. QA INFO: partial commodity coverage — the document also reports Sb (%) for this project, outside the supported commodity list and not captured; this project's stored figures do not include all its commodities.

Clarks Gully

Inferred

0.10 Mt

1.70 g/t

0.01 Moz

06 May 2025

38Unverified

notes (4)

Source: Hillgrove Antimony-Gold Project Delivers Compelling DFS · published 06 May 2025

Ref: 38

JORC 2012 — Reporting code of record: JORC 2012
Cutoff 0.65 g/t Au — Cut-off grade assumption from the source statement.
inc — Stated Resources are inclusive of Reserves. Set Resources: Excl. Reserves to net them out.

QA notes:

QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA INFO: recompute differs 6.03% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±9.46% (rounding granularity) — treated as reconciled. QA INFO: partial commodity coverage — the document also reports Sb (%) for this project, outside the supported commodity list and not captured; this project's stored figures do not include all its commodities.

Metz

Measured

0.22 Mt

4.20 g/t

0.03 Moz

06 May 2025

37Unverified

notes (4)

Source: Hillgrove Antimony-Gold Project Delivers Compelling DFS · published 06 May 2025

Ref: 37

JORC 2012 — Reporting code of record: JORC 2012
Cutoff 2.30 g/t Au — Cut-off grade assumption from the source statement.
inc — Stated Resources are inclusive of Reserves. Set Resources: Excl. Reserves to net them out.

QA notes:

QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA WARN: 2 rows share this exact identity in this document with CONFLICTING figures (sibling copies: t=2167000 conf=0.85) — at most one matches the print; the others are likely fabricated duplicates (verify against the printed table and reject the copies that do not appear). QA BLOCK: conflicting duplicate — this (project, mining area, commodity, classification, category, as-at date) appears 2 times in the document WITH DIFFERENT figures. At most one copy matches the print; verify each against the document and reject the rest (a copy whose figures appear nowhere in the text is fabricated). QA INFO: recompute differs 1.43% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±7.42% (rounding granularity) — treated as reconciled. QA INFO: partial commodity coverage — the document also reports Sb (%) for this project, outside the supported commodity list and not captured; this project's stored figures do not include all its commodities.

Stockpiles

Inferred

0.05 Mt

1.00 g/t

2 koz

06 May 2025

38Unverified

notes (4)

Source: Hillgrove Antimony-Gold Project Delivers Compelling DFS · published 06 May 2025

Ref: 38

JORC 2012 — Reporting code of record: JORC 2012
Cutoff 0.50 g/t Au — Cut-off grade assumption from the source statement.
inc — Stated Resources are inclusive of Reserves. Set Resources: Excl. Reserves to net them out.

QA notes:

QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA WARN: recomputed contained 1736.1403 oz vs reported 2000 oz (13.19% disagreement) Rounding-interval overlap exists at the printed granularity, but a 13.19% gap exceeds the 10% interval-waiver ceiling (t23 STM AuEq-miscopy precedent) — verify the printed contained figure before approval. QA INFO: partial commodity coverage — the document also reports Sb (%) for this project, outside the supported commodity list and not captured; this project's stored figures do not include all its commodities.