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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).

Puquios

Coquimbo Region, Chile · DevelopingUnverified

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 (% Cu)	Contained (Mt Cu)	As at
Measured	26.50 Mt	0.48%	0.13 Mt Cu	08 Mar 2021
Indicated	5.66 Mt	0.40%	0.02 Mt Cu	08 Mar 2021
Inferred	0.66 Mt	0.30%	2 kt Cu	08 Mar 2021
Total Resources	6.85 Mt	0.33%	0.02 Mt Cu	08 Mar 2021
Proved	21.81 Mt	0.51%	0.11 Mt Cu	21 Sept 2021
Probable	4.17 Mt	0.43%	0.02 Mt Cu	21 Sept 2021
Total Reserves	25.97 Mt	0.49%	0.13 Mt Cu	21 Sept 2021

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.

Dotted tonnes/grade are derived under the active Resources treatment: tonnes are netted of (or grossed by) the reserve tonnage alongside contained, and grade is re-derived as netted contained ÷ netted tonnes — not the published figures.

Cut-off grade

0.1500 % Cu · 5.5900 % Cu

Price assumption

US$3.19/t

JORC code year

—

Peer benchmark — developing Cu projects (124 with resources)Resource size P13Resource grade P57View 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: Camino Announces Filing of Pre-Feasibility Study Technical Report and Provides Update on Previously Announced Acquisition of the Puquios Copper Project · 21 Sept 2021
Reporting code: unknown
Convention: inclusive
Currency assumption: US$
Disagreement flags: 2 rows

Current R&R

Resources

Category	Tonnes (Mt)	Cu		As at	Source	Provenance
Category	Tonnes (Mt)	Grade (% Cu)	Contained (Mt Cu)	As at	Source	Provenance
Measured	26.50 Mt	0.48%	0.13 Mt Cu	08 Mar 2021	Mineral Resources tableUnverified Evidence record Puquios Measured · Cu · as at 2021-03-08 Reported figure Area Whole project Basis 100% Ore tonnes (t) 26496000.0000 Grade 0.4750 Contained (t Cu) 126000.0000 Classification Resource Source trail Camino Announces Filing of Pre-Feasibility Study Technical Report and Provides Update on Previously Announced Acquisition of the Puquios Copper Project Mineral Resources table Published 2025-03-17 Verification Approved; not independently verified · Model extracted Copies a pre-filled issue record so you can send it through your normal channel.

Reserves

Category	Tonnes (Mt)	Cu		As at	Source	Provenance
Category	Tonnes (Mt)	Grade (% Cu)	Contained (Mt Cu)	As at	Source	Provenance
Proved	21.81 Mt	0.51%	0.11 Mt Cu	21 Sept 2021	Mineral Reserves tableUnverified Evidence record Puquios Proved · Cu · as at 2021-09-21 Reported figure Area Whole project Basis 100% Ore tonnes (t) 21805000.0000 Grade 0.5060 Contained (t Cu) 110333.3000 Classification Reserve Source trail Camino Announces Filing of Pre-Feasibility Study Technical Report and Provides Update on Previously Announced Acquisition of the Puquios Copper Project Mineral Reserves table Published 2025-03-17 Verification Approved; not independently verified · Model extracted QA INFO: inclusive-of-reserves flag cleared — the flag describes resource statements; reserve rows carry none. Copies a pre-filled issue record so you can send it through your normal channel.	notes (4) Source: Camino Announces Filing of Pre-Feasibility Study Technical Report and Provides Update on Previously Announced Acquisition of the Puquios Copper Project · published 17 Mar 2025 Ref: Mineral Reserves table Unknown code — Reporting code not yet captured for this row. Cutoff 5.59 % Cu — Cut-off grade assumption from the source statement. @ US$ 3.19/t — Metal price assumption used to derive this estimate. QA notes: QA INFO: inclusive-of-reserves flag cleared — the flag describes resource statements; reserve rows carry none.
Probable	4.17 Mt	0.43%	0.02 Mt Cu	21 Sept 2021	Mineral Reserves tableUnverified Evidence record Puquios Probable · Cu · as at 2021-09-21 Reported figure Area Whole project Basis 100% Ore tonnes (t) 4168000.0000 Grade 0.4300 Contained (t Cu) 17922.4000 Classification Reserve Source trail Camino Announces Filing of Pre-Feasibility Study Technical Report and Provides Update on Previously Announced Acquisition of the Puquios Copper Project Mineral Reserves table Published 2025-03-17 Verification Approved; not independently verified · Model extracted QA INFO: inclusive-of-reserves flag cleared — the flag describes resource statements; reserve rows carry none. Copies a pre-filled issue record so you can send it through your normal channel.	notes (4) Source: Camino Announces Filing of Pre-Feasibility Study Technical Report and Provides Update on Previously Announced Acquisition of the Puquios Copper Project · published 17 Mar 2025 Ref: Mineral Reserves table Unknown code
Total Reserves	25.97 Mt	0.49%	0.13 Mt Cu	21 Sept 2021	Mineral Reserves table — Total rowUnverified Evidence record Puquios Total Reserve · Cu · as at 2021-09-21 Reported figure Area Whole project Basis 100% Ore tonnes (t) 25973000.0000 Grade 0.4940 Contained (t Cu) 128306.6200 Classification Reserve Source trail Camino Announces Filing of Pre-Feasibility Study Technical Report and Provides Update on Previously Announced Acquisition of the Puquios Copper Project Mineral Reserves table — Total row Published 2025-03-17 Verification Approved; not independently verified · Model extracted QA INFO: inclusive-of-reserves flag cleared — the flag describes resource statements; reserve rows carry none. Copies a pre-filled issue record so you can send it through your normal channel.	notes (4) Source: Camino Announces Filing of Pre-Feasibility Study Technical Report and Provides Update on Previously Announced Acquisition of the Puquios Copper Project · published 17 Mar 2025 Ref: Mineral Reserves table — Total row