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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).

Cuajone

Peru · ProducingUnverified

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.

Cu

Category	Tonnes (Mt)	Grade (% Cu)	Contained (Mt Cu)	As at
Measured	61.00 Mt	0.35%	0.21 Mt Cu	31 Dec 2025
Indicated	436.30 Mt	0.33%	1.45 Mt Cu	31 Dec 2025
Inferred	864.60 Mt	0.28%	2.46 Mt Cu	31 Dec 2025
Total Resources	1,361.90 Mt	0.30%	4.12 Mt Cu	31 Dec 2025
Proved	598.50 Mt	0.51%	3.05 Mt Cu	31 Dec 2025
Probable	883.00 Mt	0.45%	3.98 Mt Cu	31 Dec 2025
Total Reserves	1,481.50 Mt	0.47%	7.03 Mt Cu	31 Dec 2025

Mo

Category	Tonnes (Mt)	Grade (% Mo)	Contained (Mt Mo)	As at
Measured	61.00 Mt	0.01%	0.01 Mt Mo	31 Dec 2025
Indicated	436.30 Mt	0.01%	0.05 Mt Mo	31 Dec 2025
Inferred	864.60 Mt	0.01%	0.07 Mt Mo	31 Dec 2025
Total Resources	1,361.90 Mt	0.01%	0.13 Mt Mo	31 Dec 2025
Proved	580.60 Mt	0.02%	0.11 Mt Mo	31 Dec 2025
Probable

Cut-off grade

0.1700 % Cu · 0.5390 % Cu

Price assumption

US$3.80/t · US$11.50/t · US$3.30/t · US$10.00/t

JORC code year

—

Peer benchmark — producing Cu projects (98 with resources)Resource size P74Resource grade P27View 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: 10-K: 10-K · 31 Dec 2025
Reporting code: SK-1300
Convention: exclusive
Currency assumption: US$
Disagreement flags: 4 rows

Current R&R

Resources

Area	Category	Tonnes (Mt)	Cu		Mo		As at	Source	Provenance
Area	Category	Tonnes (Mt)	Grade (% Cu)	Contained (Mt Cu)	Grade (% Mo)	Contained (Mt Mo)	As at	Source	Provenance
Total	Measured	61.00 Mt	—	—	0.01%	0.01 Mt Mo	31 Dec 2025	Cuajone — Mineral resources table (Molybdenum)Unverified

Reserves

Area	Category	Tonnes (Mt)	Cu		Mo		As at	Source	Provenance
Area	Category	Tonnes (Mt)	Grade (% Cu)	Contained (Mt Cu)	Grade (% Mo)	Contained (Mt Mo)	As at	Source	Provenance
Total	Proved	580.60 Mt	—	—	0.02%	0.11 Mt Mo	31 Dec 2025	Cuajone — Mineral reserves table (Molybdenum)Unverified Evidence record Cuajone Proved · Mo · as at 2025-12-31 Reported figure Area Whole project Basis 100% Ore tonnes (t) 580600000.0000 Grade 0.0190 Contained (t Mo) 111447.6453 Classification Reserve Source trail 10-K: 10-K Cuajone — Mineral reserves table (Molybdenum) Published 2026-02-27 Verification Approved; not independently verified · Model extracted QA INFO: recompute differs 1.02% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±2.63% (rounding granularity) — treated as reconciled. Copies a pre-filled issue record so you can send it through your normal channel.	notes (3) Source: 10-K: 10-K · published 27 Feb 2026 Ref: Cuajone — Mineral reserves table (Molybdenum) SK-1300 — Reporting code of record: SK-1300 @ US$ 10/t — Metal price assumption used to derive this estimate. QA notes: QA INFO: recompute differs 1.02% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±2.63% (rounding granularity) — treated as reconciled.
Total	Probable	882.70 Mt	—	—	0.02%	0.13 Mt Mo	31 Dec 2025	Cuajone — Mineral reserves table (Molybdenum)Unverified Evidence record Cuajone Probable · Mo · as at 2025-12-31 Reported figure Area Whole project Basis 100% Ore tonnes (t) 882700000.0000 Grade 0.0150 Contained (t Mo) 134263.3415 Classification Reserve Source trail 10-K: 10-K Cuajone — Mineral reserves table (Molybdenum) Published 2026-02-27 Verification Approved; not independently verified · Model extracted QA INFO: recompute differs 1.38% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±3.33% (rounding granularity) — treated as reconciled. Copies a pre-filled issue record so you can send it through your normal channel.	notes (3) Source: 10-K: 10-K
Total	Total Reserves	1,463.30–1,481.50 Mt	0.47%	7.03 Mt Cu	0.02%	0.25 Mt Mo	31 Dec 2025	derived from 4 rows Proved: Cuajone — Mineral reserves table Proved: Cuajone — Mineral reserves table Probable: Cuajone — Mineral reserves table Probable: Cuajone — Mineral reserves table
Leach	Proved	17.90 Mt	0.50%	0.09 Mt Cu	—	—	31 Dec 2025	Cuajone — Mineral reserves tableUnverified Evidence record Cuajone Proved · Cu · as at 2025-12-31 Reported figure Area Leach Basis 100% Ore tonnes (t) 17900000.0000 Grade 0.5000 Contained (t Cu) 89629.8523 Classification Reserve Source trail 10-K: 10-K Cuajone — Mineral reserves table Published 2026-02-27 Verification Approved; not independently verified · Model extracted Copies a pre-filled issue record so you can send it through your normal channel.	notes (3) Source: 10-K: 10-K · published 27 Feb 2026 Ref: Cuajone — Mineral reserves table
Leach	Probable	0.30 Mt	0.72%	2.49 kt Cu	—	—	31 Dec 2025	Cuajone — Mineral reserves tableUnverified Evidence record Cuajone Probable · Cu · as at 2025-12-31 Reported figure Area Leach Basis 100% Ore tonnes (t) 300000.0000 Grade 0.7200 Contained (t Cu) 2494.7580 Classification Reserve Source trail 10-K: 10-K Cuajone — Mineral reserves table Published 2026-02-27 Verification Approved; not independently verified · Model extracted QA BLOCK: recomputed contained 2160.0000 t Cu vs reported 2494.758035000000 t Cu (13.42% disagreement) Copies a pre-filled issue record so you can send it through your normal channel.	notes (4) Source: 10-K: 10-K · published 27 Feb 2026 Ref: Cuajone — Mineral reserves table
Mill	Proved	580.60 Mt	0.51%	2.96 Mt Cu	—	—	31 Dec 2025	Cuajone — Mineral reserves tableUnverified Evidence record Cuajone Proved · Cu · as at 2025-12-31 Reported figure Area Mill Basis 100% Ore tonnes (t) 580600000.0000 Grade 0.5100 Contained (t Cu) 2963455.0309 Classification Reserve Source trail 10-K: 10-K Cuajone — Mineral reserves table Published 2026-02-27 Verification Approved; not independently verified · Model extracted Copies a pre-filled issue record so you can send it through your normal channel.	notes (3) Source: 10-K: 10-K · published 27 Feb 2026 Ref: Cuajone — Mineral reserves table
Mill	Probable	882.70 Mt	0.45%	3.97 Mt Cu	—	—	31 Dec 2025	Cuajone — Mineral reserves tableUnverified Evidence record Cuajone Probable · Cu · as at 2025-12-31 Reported figure Area Mill Basis 100% Ore tonnes (t) 882700000.0000 Grade 0.4500 Contained (t Cu) 3974376.3459 Classification Reserve Source trail 10-K: 10-K Cuajone — Mineral reserves table Published 2026-02-27 Verification Approved; not independently verified · Model extracted Copies a pre-filled issue record so you can send it through your normal channel.	notes (3) Source: 10-K: 10-K · published 27 Feb 2026 Ref: Cuajone — Mineral reserves table