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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).

Pedra Branca

Brazil · 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.

Au

Category	Tonnes (Mt)	Grade (g/t Au)	Contained (Moz Au)	As at
Measured	0.26 Mt	0.46 g/t	3.85 koz	30 June 2024
Indicated	3.10 Mt	0.41 g/t	0.04 Moz	30 June 2024
Inferred	5.10 Mt	0.37 g/t	0.06 Moz	30 June 2024
Total Resources	8.46 Mt	0.39 g/t	0.11 Moz	30 June 2024
Proved	0.31 Mt	0.49 g/t	4.88 koz	30 June 2024
Probable	2.60 Mt	0.53 g/t	0.04 Moz	30 June 2024
Total Reserves	2.90 Mt	0.52 g/t	0.05 Moz	30 June 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.

Cu

Category	Tonnes (Mt)	Grade (% Cu)	Contained (Mt Cu)	As at
Measured	0.26 Mt	1.48%	3.85 kt Cu	30 June 2024
Indicated	3.10 Mt	1.58%	0.05 Mt Cu	30 June 2024
Inferred	5.10 Mt	1.48%	0.08 Mt Cu	30 June 2024
Total Resources	8.46 Mt	1.52%	0.13 Mt Cu	30 June 2024
Proved	0.31 Mt	1.65%	0.01 Mt Cu	30 June 2024
Probable

Cut-off grade

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Price assumption

US$4.13/t · US$1650.00/t · US$7960.00/t · US$1550.00/t

JORC code year

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Peer benchmark — developing Cu projects (124 with resources)Resource size P36Resource 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: 20-F: FORM 20-F · 30 June 2024
Reporting code: SK-1300
Convention: unknown
Currency assumption: US$

Current R&R

Resources

Category	Tonnes (Mt)	Au		Cu		As at	Source	Provenance
Category	Tonnes (Mt)	Grade (g/t Au)	Contained (Moz Au)	Grade (% Cu)	Contained (Mt Cu)	As at	Source	Provenance
Measured	0.26 Mt	0.46 g/t	3.85 koz	1.48%	3.85 kt Cu	30 June 2024	6.1 Copper – Mineral resources tableUnverified Evidence record Pedra Branca Measured · Cu · as at 2024-06-30 Reported figure Area Whole project Basis attributable Ore tonnes (t) 260000.0000 Grade 1.4800 Contained (t Cu) 3848.0000 Classification Resource Source trail 20-F: FORM 20-F 6.1 Copper – Mineral resources table Published 2024-08-30 Verification Approved; not independently verified · Model extracted tranche12b QA: verified against raw printed FY2024 resources table Copies a pre-filled issue record so you can send it through your normal channel.

Reserves

Category	Tonnes (Mt)	Au		Cu		As at	Source	Provenance
Category	Tonnes (Mt)	Grade (g/t Au)	Contained (Moz Au)	Grade (% Cu)	Contained (Mt Cu)	As at	Source	Provenance
Proved	0.31 Mt	0.49 g/t	4.88 koz	1.65%	0.01 Mt Cu	30 June 2024	6.1 Copper – Mineral reserves tableUnverified Evidence record Pedra Branca Proved · Cu · as at 2024-06-30 Reported figure Area Whole project Basis attributable Ore tonnes (t) 310000.0000 Grade 1.6500 Contained (t Cu) 5115.0000 Classification Reserve Source trail 20-F: FORM 20-F 6.1 Copper – Mineral reserves table Published 2024-08-30 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: 20-F: FORM 20-F · published 30 Aug 2024 Ref: 6.1 Copper – Mineral reserves table SK-1300 — Reporting code of record: SK-1300 @ US$ 7,960/t — 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: tranche12 QA: verified against printed source table
Probable	2.60 Mt	0.53 g/t	0.04 Moz	2.07%	0.05 Mt Cu	30 June 2024	6.1 Copper – Mineral reserves tableUnverified Evidence record Pedra Branca Probable · Cu · as at 2024-06-30 Reported figure Area Whole project Basis attributable Ore tonnes (t) 2600000.0000 Grade 2.0700 Contained (t Cu) 53820.0000 Classification Reserve Source trail 20-F: FORM 20-F 6.1 Copper – Mineral reserves table Published 2024-08-30 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: 20-F: FORM 20-F · published 30 Aug 2024 Ref: 6.1 Copper – Mineral reserves table
Total Reserves	2.90 Mt	0.52 g/t	0.05 Moz	2.03%	0.06 Mt Cu	30 June 2024	6.1 Copper – Mineral reserves tableUnverified Evidence record Pedra Branca Total Reserve · Cu · as at 2024-06-30 Reported figure Area Whole project Basis attributable Ore tonnes (t) 2900000.0000 Grade 2.0300 Contained (t Cu) 58870.0000 Classification Reserve Source trail 20-F: FORM 20-F 6.1 Copper – Mineral reserves table Published 2024-08-30 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: 20-F: FORM 20-F · published 30 Aug 2024 Ref: 6.1 Copper – Mineral reserves table