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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).

Sossego

Pará, Brazil · Producing · 90.0% 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	296.78 Mt	0.11 g/t	1.05 Moz	31 Dec 2025
Indicated	572.22 Mt	0.10 g/t	1.84 Moz	31 Dec 2025
Inferred	240.00 Mt	0.14 g/t	1.08 Moz	31 Dec 2025
Total Resources	1,109.00 Mt	0.11 g/t	3.97 Moz	31 Dec 2025
Proved	81.78 Mt	0.10 g/t	0.26 Moz	31 Dec 2025
Probable	44.67 Mt	0.13 g/t	0.19 Moz	31 Dec 2025
Total Reserves	126.33 Mt	0.11 g/t	0.45 Moz	31 Dec 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.

Cu

Category	Tonnes (Mt)	Grade (% Cu)	Contained (Mt Cu)	As at
Measured	296.78 Mt	0.71%	2.11 Mt Cu	31 Dec 2025
Indicated	572.22 Mt	0.64%	3.66 Mt Cu	31 Dec 2025
Inferred	240.00 Mt	0.70%	1.68 Mt Cu	31 Dec 2025
Total Resources	1,109.00 Mt	0.67%	7.45 Mt Cu	31 Dec 2025
Proved	81.78 Mt	0.72%	0.59 Mt Cu	31 Dec 2025
Probable

Cut-off grade

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Price assumption

US$4365.00/t · US$1000.00/t · US$2650.00/t · US$9950.00/t

JORC code year

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Peer benchmark — producing Cu projects (98 with resources)Resource size P80Resource grade P64View 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: 20-F · 31 Dec 2025
Reporting code: SK-1300
Convention: exclusive
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	296.78 Mt	0.11 g/t	1.05 Moz	0.71%	2.11 Mt Cu	31 Dec 2025	Copper Mineral Resources as of December 31 — BrazilUnverified Evidence record Sossego Measured · Cu · as at 2025-12-31 Reported figure Area Whole project Basis attributable Ore tonnes (t) 296777777.7777778 Grade 0.7100 Contained (t Cu) 2107122.2222222225 Classification Resource Source trail 20-F: 20-F Copper Mineral Resources as of December 31 — Brazil Published 2026-03-27 Verification Approved; not independently verified · Model extracted AGENT-QA 2026-07-11 (t6 recovery first gate, operator-delegated): post-#133 re-extraction verified - structure, single as-at vintage, reported basis and spot-checks against the printed tables. Approved. 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	81.78 Mt	0.10 g/t	0.26 Moz	0.72%	0.59 Mt Cu	31 Dec 2025	Precious Metals Mineral Reserves as of December 31 — Sossego GoldUnverified Evidence record Sossego Proved · Au · as at 2025-12-31 Reported figure Area Whole project Basis attributable Ore tonnes (t) 81777777.77777778 Grade 0.1000 Contained (oz) 262921.6607777778 Classification Reserve Source trail 20-F: 20-F Precious Metals Mineral Reserves as of December 31 — Sossego Gold Published 2026-03-27 Verification Approved; not independently verified · Model extracted AGENT-QA 2026-07-11 (t6 recovery first gate, operator-delegated): post-#133 re-extraction verified - structure, single as-at vintage, reported basis and spot-checks against the printed tables. Approved. Copies a pre-filled issue record so you can send it through your normal channel.	notes (4) Source: 20-F: 20-F · published 27 Mar 2026 Ref: Precious Metals Mineral Reserves as of December 31 — Sossego Gold SK-1300 — Reporting code of record: SK-1300 @ US$ 2,650/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: AGENT-QA 2026-07-11 (t6 recovery first gate, operator-delegated): post-#133 re-extraction verified - structure, single as-at vintage, reported basis and spot-checks against the printed tables. Approved.
Probable	44.67 Mt	0.13 g/t	0.19 Moz	0.45%	0.20 Mt Cu	31 Dec 2025	Precious Metals Mineral Reserves as of December 31 — Sossego GoldUnverified Evidence record Sossego Probable · Au · as at 2025-12-31 Reported figure Area Whole project Basis attributable Ore tonnes (t) 44666666.66666667 Grade 0.1300 Contained (oz) 186688.66844444445 Classification Reserve Source trail 20-F: 20-F Precious Metals Mineral Reserves as of December 31 — Sossego Gold Published 2026-03-27 Verification Approved; not independently verified · Model extracted AGENT-QA 2026-07-11 (t6 recovery first gate, operator-delegated): post-#133 re-extraction verified - structure, single as-at vintage, reported basis and spot-checks against the printed tables. Approved. Copies a pre-filled issue record so you can send it through your normal channel.	notes (4) Source: 20-F: 20-F · published 27 Mar 2026
Total Reserves	126.33 Mt	0.11 g/t	0.45 Moz	0.63%	0.80 Mt Cu	31 Dec 2025	Precious Metals Mineral Reserves as of December 31 — Sossego GoldUnverified Evidence record Sossego Total Reserve · Au · as at 2025-12-31 Reported figure Area Whole project Basis attributable Ore tonnes (t) 126333333.33333334 Grade 0.1100 Contained (oz) 446788.20811111113 Classification Reserve Source trail 20-F: 20-F Precious Metals Mineral Reserves as of December 31 — Sossego Gold Published 2026-03-27 Verification Approved; not independently verified · Model extracted AGENT-QA 2026-07-11 (t6 recovery first gate, operator-delegated): post-#133 re-extraction verified - structure, single as-at vintage, reported basis and spot-checks against the printed tables. Approved. Copies a pre-filled issue record so you can send it through your normal channel.	notes (4) Source: 20-F: 20-F