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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).

Collahuasi

Chile · Producing · 44.0% 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.

Cu

Category	Tonnes (Mt)	Grade (% Cu)	Contained (Mt Cu)	As at
Measured	80.70 Mt	0.73%	0.59 Mt Cu	31 Dec 2025
Indicated	1,483.20 Mt	0.77%	11.43 Mt Cu	31 Dec 2025
M&I = Measured + Indicated (overlaps both)	1,563.90 Mt	0.77%	12.02 Mt Cu	31 Dec 2025
Inferred	5,250.90 Mt	0.71%	37.26 Mt Cu	31 Dec 2025
Total Resources	6,814.80 Mt	0.72%	49.28 Mt Cu	31 Dec 2025
Proved	775.10 Mt	0.91%	7.09 Mt Cu	31 Dec 2025
Probable	3,300.90 Mt	0.76%	25.10 Mt Cu	31 Dec 2025
Total Reserves	4,076.10 Mt	0.79%	32.19 Mt Cu	31 Dec 2025

M&I is the issuer's printed Measured + Indicated subtotal — it overlaps the Measured and Indicated rows and is never added alongside them; the Total rows and every rollup already exclude it.

Mo

Category	Tonnes (Mt)	Grade (% Mo)	Contained (Mt Mo)	As at
Measured	42.00 Mt	0.02%	0.01 Mt Mo	31 Dec 2025
Indicated	1,446.80 Mt	0.03%	0.39 Mt Mo	31 Dec 2025
M&I = Measured + Indicated (overlaps both)	1,488.80 Mt	0.03%	0.40 Mt Mo	31 Dec 2025
Inferred	5,135.80 Mt	0.01%	0.74 Mt Mo	31 Dec 2025
Total Resources

Cut-off grade

0.3500 % Cu · 0.3000 % Mo · 0.6000 % Cu · 0.3000 % Cu · 0.6000 % Mo

Price assumption

—

JORC code year

2012

Peer benchmark — producing Cu projects (98 with resources)Resource size P98Resource grade P68View 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: Anglo American plc - Ore Reserves and Mineral Resources Report 2025 (dedicated annual R&R statement, as at 31 Dec 2025) · 31 Dec 2025
Reporting code: JORC 2012
Convention: exclusive
Currency assumption: GBP
Disagreement flags: 8 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	Total Resources	6,624.60–6,814.80 Mt	0.72%	49.28 Mt Cu	0.02%	1.14 Mt Mo	31 Dec 2025

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
Low-grade sulphide flotation	Proved	123.70 Mt	0.51%	0.63 Mt Cu	0.01%	0.02 Mt Mo	31 Dec 2025	31Unverified Evidence record Collahuasi Proved · Mo · as at 2025-12-31 Reported figure Area Low-grade sulphide flotation Basis 100% Ore tonnes (t) 123700000.0000 Grade 0.0130 Contained (t Mo) 16000.0000 Classification Reserve Source trail Anglo American plc - Ore Reserves and Mineral Resources Report 2025 (dedicated annual R&R statement, as at 31 Dec 2025) 31 Published 2026-03-02 Verification Approved; not independently verified · Model extracted Copies a pre-filled issue record so you can send it through your normal channel.	notes (2) Source: Anglo American plc - Ore Reserves and Mineral Resources Report 2025 (dedicated annual R&R statement, as at 31 Dec 2025) · published 02 Mar 2026 Ref: 31 JORC 2012 — Reporting code of record: JORC 2012 Cutoff 0.30 % Mo — Cut-off grade assumption from the source statement.
Low-grade sulphide flotation	Probable	1,023.50 Mt	0.46%	4.69 Mt Cu	0.01%	0.11 Mt Mo	31 Dec 2025	31Unverified Evidence record Collahuasi Probable · Mo · as at 2025-12-31 Reported figure Area Low-grade sulphide flotation Basis 100% Ore tonnes (t) 1023500000.0000 Grade 0.0100 Contained (t Mo) 107000.0000 Classification Reserve Source trail Anglo American plc - Ore Reserves and Mineral Resources Report 2025 (dedicated annual R&R statement, as at 31 Dec 2025) 31 Published 2026-03-02 Verification Approved; not independently verified · Model extracted QA INFO: recompute differs 4.35% from the printed contained figure, but the printed tonnes/grade/contained carry ±6.47% rounding granularity (capped per component; the true half-step band of coarse prints is wider) and the remainder sits under the warn threshold — treated as reconciled. Copies a pre-filled issue record so you can send it through your normal channel.	notes (3)
Low-grade sulphide flotation	Total Reserves	1,147.30 Mt	0.46%	5.31 Mt Cu	0.01%	0.12 Mt Mo	31 Dec 2025	31Unverified Evidence record Collahuasi Total Reserve · Mo · as at 2025-12-31 Reported figure Area Low-grade sulphide flotation Basis 100% Ore tonnes (t) 1147300000.0000 Grade 0.0110 Contained (t Mo) 123000.0000 Classification Reserve Source trail Anglo American plc - Ore Reserves and Mineral Resources Report 2025 (dedicated annual R&R statement, as at 31 Dec 2025) 31 Published 2026-03-02 Verification Approved; not independently verified · Model extracted QA INFO: recompute differs 2.60% from the printed contained figure, but the printed tonnes/grade/contained carry ±4.96% rounding granularity (capped per component; the true half-step band of coarse prints is wider) and the remainder sits under the warn threshold — treated as reconciled. Copies a pre-filled issue record so you can send it through your normal channel.	notes (3)
Low-grade sulphide flotation stockpile	Probable	298.30 Mt	0.54%	1.62 Mt Cu	0.01%	0.04 Mt Mo	31 Dec 2025	31Unverified Evidence record Collahuasi Probable · Mo · as at 2025-12-31 Reported figure Area Low-grade sulphide flotation stockpile Basis 100% Ore tonnes (t) 298300000.0000 Grade 0.0130 Contained (t Mo) 39000.0000 Classification Reserve Source trail Anglo American plc - Ore Reserves and Mineral Resources Report 2025 (dedicated annual R&R statement, as at 31 Dec 2025) 31 Published 2026-03-02 Verification Approved; not independently verified · Model extracted Copies a pre-filled issue record so you can send it through your normal channel.	notes (2) Source: Anglo American plc - Ore Reserves and Mineral Resources Report 2025 (dedicated annual R&R statement, as at 31 Dec 2025)
Low-grade sulphide flotation stockpile	Total Reserves	298.30 Mt	0.54%	1.62 Mt Cu	0.01%	0.04 Mt Mo	31 Dec 2025	31Unverified Evidence record Collahuasi Total Reserve · Cu · as at 2025-12-31 Reported figure Area Low-grade sulphide flotation stockpile Basis 100% Ore tonnes (t) 298300000.0000 Grade 0.5400 Contained (t Cu) 1619000.0000 Classification Reserve Source trail Anglo American plc - Ore Reserves and Mineral Resources Report 2025 (dedicated annual R&R statement, as at 31 Dec 2025) 31 Published 2026-03-02 Verification Approved; not independently verified · Model extracted Copies a pre-filled issue record so you can send it through your normal channel.	notes (2) Source: Anglo American plc - Ore Reserves and Mineral Resources Report 2025 (dedicated annual R&R statement, as at 31 Dec 2025)
Sulphide flotation (direct feed)	Proved	651.40 Mt	0.99%	6.46 Mt Cu	0.02%	0.15 Mt Mo	31 Dec 2025	31Unverified Evidence record Collahuasi Proved · Mo · as at 2025-12-31 Reported figure Area Sulphide flotation (direct feed) Basis 100% Ore tonnes (t) 651400000.0000 Grade 0.0230 Contained (t Mo) 151000.0000 Classification Reserve Source trail Anglo American plc - Ore Reserves and Mineral Resources Report 2025 (dedicated annual R&R statement, as at 31 Dec 2025) 31 Published 2026-03-02 Verification Approved; not independently verified · Model extracted Copies a pre-filled issue record so you can send it through your normal channel.	notes (2) Source: Anglo American plc - Ore Reserves and Mineral Resources Report 2025 (dedicated annual R&R statement, as at 31 Dec 2025)
Sulphide flotation (direct feed)	Probable	1,979.10 Mt	0.95%	18.80 Mt Cu	0.03%	0.54 Mt Mo	31 Dec 2025	31Unverified Evidence record Collahuasi Probable · Mo · as at 2025-12-31 Reported figure Area Sulphide flotation (direct feed) Basis 100% Ore tonnes (t) 1979100000.0000 Grade 0.0270 Contained (t Mo) 541000.0000 Classification Reserve Source trail Anglo American plc - Ore Reserves and Mineral Resources Report 2025 (dedicated annual R&R statement, as at 31 Dec 2025) 31 Published 2026-03-02 Verification Approved; not independently verified · Model extracted QA INFO: recompute differs 1.23% from the printed contained figure, but the printed tonnes/grade/contained carry ±1.95% rounding granularity (capped per component; the true half-step band of coarse prints is wider) and the remainder sits under the warn threshold — treated as reconciled. Copies a pre-filled issue record so you can send it through your normal channel.	notes (3)
Sulphide flotation (direct feed)	Total Reserves	2,630.50 Mt	0.96%	25.26 Mt Cu	0.03%	0.69 Mt Mo	31 Dec 2025	31Unverified Evidence record Collahuasi Total Reserve · Cu · as at 2025-12-31 Reported figure Area Sulphide flotation (direct feed) Basis 100% Ore tonnes (t) 2630500000.0000 Grade 0.9600 Contained (t Cu) 25258000.0000 Classification Reserve Source trail Anglo American plc - Ore Reserves and Mineral Resources Report 2025 (dedicated annual R&R statement, as at 31 Dec 2025) 31 Published 2026-03-02 Verification Approved; not independently verified · Model extracted Copies a pre-filled issue record so you can send it through your normal channel.	notes (2) Source: Anglo American plc - Ore Reserves and Mineral Resources Report 2025 (dedicated annual R&R statement, as at 31 Dec 2025)