View settings100% · M+I+I · Resources excl. reserves · Native commodities

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).

Sentinel

Zambia · Producing · 100.0% ownedManual entry

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	346.20 Mt	0.45%	1.56 Mt Cu	31 Dec 2025
Indicated	292.60 Mt	0.36%	1.05 Mt Cu	31 Dec 2025
M&I = Measured + Indicated (overlaps both)	638.70 Mt	0.41%	2.62 Mt Cu	31 Dec 2025
Inferred	60.90 Mt	0.36%	0.22 Mt Cu	31 Dec 2025
Total Resources	992.30 Mt †	0.39% †	0.00 Mt Cu	31 Dec 2025
Proved	303.80 Mt	0.47%	1.43 Mt Cu	31 Dec 2025
Probable	237.80 Mt	0.36%	0.86 Mt Cu	31 Dec 2025
Total Reserves	541.60 Mt	0.42%	2.27 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.

† Tonnes and grade as published (not net): the reserve statement prints no tonnage to net out, so only Contained honours the Resources treatment on this row.

Cut-off grade

0.1300 % Cu · 3.0000 % Cu

Price assumption

US$3.00/t

JORC code year

—

Peer benchmark — producing Cu projects (98 with resources)Resource size P55Resource grade P45View 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: First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) · 31 Dec 2025
Reporting code: unknown
Convention: inclusive
Currency assumption: US$

Current R&R

Resources

Area	Category	Tonnes (Mt)	Cu		As at	Source	Provenance
Area	Category	Tonnes (Mt)	Grade (% Cu)	Contained (Mt Cu)	As at	Source	Provenance
Total	Measured	346.20 Mt	0.45%	1.56 Mt Cu	31 Dec 2025	108Unverified Evidence record Sentinel Measured · Cu · as at 2025-12-31 Reported figure Area Whole project Basis 100% Ore tonnes (t) 346200000.0000 Grade 0.4500 Contained (t Cu) 1557900.0000 Classification Resource Source trail First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) 108 Published 2026-02-28 Verification Approved; not independently verified · Model extracted QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA WARN: the document's own prose places project 'Sentinel' INSIDE 'enterprise' (explicit containment phrase) — deposit-as-project fragmentation (t55 SVY Cayley class): approving both double-counts the parent. Re-file as (project='enterprise', area='Sentinel') or reject. Copies a pre-filled issue record so you can send it through your normal channel.

Total

Inferred

60.90 Mt

0.36%

0.22 Mt Cu

31 Dec 2025

108Unverified

notes (3)

Source: First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) · published 28 Feb 2026

Ref: 108

Unknown code — Reporting code not yet captured for this row.
Cutoff 0.13 % Cu — Cut-off grade assumption from the source statement.

QA notes:

QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA WARN: the document's own prose places project 'Sentinel' INSIDE 'enterprise' (explicit containment phrase) — deposit-as-project fragmentation (t55 SVY Cayley class): approving both double-counts the parent. Re-file as (project='enterprise', area='Sentinel') or reject.

Excluding stockpiles

Indicated

237.90 Mt

0.40%

0.95 Mt Cu

31 Dec 2025

108Unverified

notes (5)

Source: First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) · published 28 Feb 2026

Ref: 108

Unknown code — Reporting code not yet captured for this row.
Cutoff 0.13 % Cu — Cut-off grade assumption from the source statement.
inc — Stated Resources are inclusive of Reserves. Set Resources: Excl. Reserves to net them out.

QA notes:

QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA WARN: the document's own prose places project 'Sentinel' INSIDE 'enterprise' (explicit containment phrase) — deposit-as-project fragmentation (t55 SVY Cayley class): approving both double-counts the parent. Re-file as (project='enterprise', area='Sentinel') or reject.
t79b rescope: Exhibit B in-situ figure moved off area NULL so the Exhibit A whole-project rollup owns it (scope label synthetic — from Exhibit A footnote 8 contrast)

Excluding stockpiles

M&I = Measured + Indicated (overlaps both)

584.00 Mt

0.43%

2.51 Mt Cu

31 Dec 2025

108Unverified

notes (7)

Source: First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) · published 28 Feb 2026

Ref: 108

Unknown code — Reporting code not yet captured for this row.
Cutoff 0.13 % Cu — Cut-off grade assumption from the source statement.
inc — Stated Resources are inclusive of Reserves. Set Resources: Excl. Reserves to net them out.

QA notes:

QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA WARN: cross-category subtotal — this whole-project total_resource row equals the measured+indicated category value while inferred rows exist (an M&I/P&P-style total excluding inferred — t24 LUN / t25 GMIN-IMG class). Reject the subtotal; the full-set total (or leaves) carries the estimate. This is the SYSTEMIC M&I-as-total class (t71: 22+ rejects across two agents) — only a Measured+Indicated+Inferred total is total_resource; P&P → total_reserve is always valid. QA WARN: the document's own prose places project 'Sentinel' INSIDE 'enterprise' (explicit containment phrase) — deposit-as-project fragmentation (t55 SVY Cayley class): approving both double-counts the parent. Re-file as (project='enterprise', area='Sentinel') or reject.
QA reject: re-presentation of an approved estimate: combined Measured-and-Indicated line stored as total_resource (Exhibit B Sentinel 'Total Meas. plus Ind.' 584.0 Mt @ 0.43% TCu) — figures match print; re-key to category m_and_i after the migration (do not approve as a M+I+Inferred total)

Stockpiles

Indicated

54.70 Mt

0.22%

0.12 Mt Cu

31 Dec 2025

108Unverified

notes (3)

Source: First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) · published 28 Feb 2026

Ref: 108

Unknown code — Reporting code not yet captured for this row.
inc — Stated Resources are inclusive of Reserves. Set Resources: Excl. Reserves to net them out.

QA notes:

QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA WARN: the document's own prose places project 'Sentinel' INSIDE 'enterprise' (explicit containment phrase) — deposit-as-project fragmentation (t55 SVY Cayley class): approving both double-counts the parent. Re-file as (project='enterprise', area='Sentinel') or reject.

Reserves

Area	Category	Tonnes (Mt)	Cu		As at	Source	Provenance
Area	Category	Tonnes (Mt)	Grade (% Cu)	Contained (Mt Cu)	As at	Source	Provenance
Total	Proved	303.80 Mt	0.47%	1.43 Mt Cu	31 Dec 2025	108Unverified Evidence record Sentinel Proved · Cu · as at 2025-12-31 Reported figure Area Whole project Basis 100% Ore tonnes (t) 303800000.0000 Grade 0.4700 Contained (t Cu) 1427860.0000 Classification Reserve Source trail First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) 108 Published 2026-02-28 Verification Approved; not independently verified · Model extracted QA WARN: document prints recovered-metal vocabulary ('life of mine production') — if the reserve table's metal column is 'Ounces Recovered' the stored contained figure is post-recovery, not an in-situ contained metal (t24 AGLD class; recoverable-basis machinery not built). Verify the column heading; reject recovered-basis rows. QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA WARN: the document's own prose places project 'Sentinel' INSIDE 'enterprise' (explicit containment phrase) — deposit-as-project fragmentation (t55 SVY Cayley class): approving both double-counts the parent. Re-file as (project='enterprise', area='Sentinel') or reject. Copies a pre-filled issue record so you can send it through your normal channel.	notes (4) Source: First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) · published 28 Feb 2026 Ref: 108 Unknown code — Reporting code not yet captured for this row. Cutoff 3.00 % Cu — Cut-off grade assumption from the source statement. @ US$ 3/t — Metal price assumption used to derive this estimate. QA notes: QA WARN: document prints recovered-metal vocabulary ('life of mine production') — if the reserve table's metal column is 'Ounces Recovered' the stored contained figure is post-recovery, not an in-situ contained metal (t24 AGLD class; recoverable-basis machinery not built). Verify the column heading; reject recovered-basis rows. QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA WARN: the document's own prose places project 'Sentinel' INSIDE 'enterprise' (explicit containment phrase) — deposit-as-project fragmentation (t55 SVY Cayley class): approving both double-counts the parent. Re-file as (project='enterprise', area='Sentinel') or reject.
Total	Probable	237.80 Mt	0.36%	0.86 Mt Cu	31 Dec 2025	First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.)Manual entry Evidence record Sentinel Probable · Cu · as at 2025-12-31 Reported figure Area Whole project Basis 100% Ore tonnes (t) 237800000.0000 Grade 0.3600 Contained (t Cu) 856080.0000 Classification Reserve Source trail First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) Page reference not recorded Published 2026-02-28 Verification Approved; not independently verified · Manual entry t79b spec capture, print-verified: Sentinel Zambia 100% Copper 303.8 0.47 - - 237.8 0.36 - - 541.6 0.42 - - Copies a pre-filled issue record so you can send it through your normal channel.	notes (2) Source: First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.)
Total	Total Reserves	541.60 Mt	0.42%	2.27 Mt Cu	31 Dec 2025	First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.)Manual entry Evidence record Sentinel Total Reserve · Cu · as at 2025-12-31 Reported figure Area Whole project Basis 100% Ore tonnes (t) 541600000.0000 Grade 0.4200 Contained (t Cu) 2274720.0000 Classification Reserve Source trail First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) Page reference not recorded Published 2026-02-28 Verification Approved; not independently verified · Manual entry t79b spec capture, print-verified: Sentinel Zambia 100% Copper 303.8 0.47 - - 237.8 0.36 - - 541.6 0.42 - - Copies a pre-filled issue record so you can send it through your normal channel.	notes (2) Source: First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.)
in-pit Mineral Reserve	Probable	183.10 Mt	0.40%	0.73 Mt Cu	31 Dec 2025	108Unverified Evidence record Sentinel Probable · Cu · as at 2025-12-31 Reported figure Area in-pit Mineral Reserve Basis 100% Ore tonnes (t) 183100000.0000 Grade 0.4000 Contained (t Cu) 732400.0000 Classification Reserve Source trail First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) 108 Published 2026-02-28 Verification Approved; not independently verified · Model extracted QA WARN: document prints recovered-metal vocabulary ('life of mine production') — if the reserve table's metal column is 'Ounces Recovered' the stored contained figure is post-recovery, not an in-situ contained metal (t24 AGLD class; recoverable-basis machinery not built). Verify the column heading; reject recovered-basis rows. QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA WARN: the document's own prose places project 'Sentinel' INSIDE 'enterprise' (explicit containment phrase) — deposit-as-project fragmentation (t55 SVY Cayley class): approving both double-counts the parent. Re-file as (project='enterprise', area='Sentinel') or reject. \| t79b rescope: Exhibit B in-situ figure moved off area NULL so the Exhibit A whole-project rollup owns it (printed scope label) Copies a pre-filled issue record so you can send it through your normal channel.
in-pit Mineral Reserve	Total Reserves	486.90 Mt	0.44%	2.14 Mt Cu	31 Dec 2025	108Unverified Evidence record Sentinel Total Reserve · Cu · as at 2025-12-31 Reported figure Area in-pit Mineral Reserve Basis 100% Ore tonnes (t) 486900000.0000 Grade 0.4400 Contained (t Cu) 2142360.0000 Classification Reserve Source trail First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) 108 Published 2026-02-28 Verification Approved; not independently verified · Model extracted QA WARN: document prints recovered-metal vocabulary ('life of mine production') — if the reserve table's metal column is 'Ounces Recovered' the stored contained figure is post-recovery, not an in-situ contained metal (t24 AGLD class; recoverable-basis machinery not built). Verify the column heading; reject recovered-basis rows. QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA WARN: the document's own prose places project 'Sentinel' INSIDE 'enterprise' (explicit containment phrase) — deposit-as-project fragmentation (t55 SVY Cayley class): approving both double-counts the parent. Re-file as (project='enterprise', area='Sentinel') or reject. \| t79b rescope: Exhibit B in-situ figure moved off area NULL so the Exhibit A whole-project rollup owns it (printed scope label) Copies a pre-filled issue record so you can send it through your normal channel.
Stockpiles	Probable	54.70 Mt	0.22%	0.12 Mt Cu	31 Dec 2025	108Unverified Evidence record Sentinel Probable · Cu · as at 2025-12-31 Reported figure Area Stockpiles Basis 100% Ore tonnes (t) 54700000.0000 Grade 0.2200 Contained (t Cu) 120340.0000 Classification Reserve Source trail First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) 108 Published 2026-02-28 Verification Approved; not independently verified · Model extracted QA WARN: document prints recovered-metal vocabulary ('life of mine production') — if the reserve table's metal column is 'Ounces Recovered' the stored contained figure is post-recovery, not an in-situ contained metal (t24 AGLD class; recoverable-basis machinery not built). Verify the column heading; reject recovered-basis rows. QA WARN: document contains mine-plan/LOM-inventory table vocabulary ('mining inventory') — such tables print production-target inventory, NOT a Mineral Resource estimate, and their rows look clean at store time (t23 TGM class). Map each row to its source table before approval and reject rows sourced from the mine-plan/inventory table. QA WARN: the document's own prose places project 'Sentinel' INSIDE 'enterprise' (explicit containment phrase) — deposit-as-project fragmentation (t55 SVY Cayley class): approving both double-counts the parent. Re-file as (project='enterprise', area='Sentinel') or reject. Copies a pre-filled issue record so you can send it through your normal channel.	notes (4)
Stockpiles	Total Reserves	54.70 Mt	0.22%	0.12 Mt Cu	31 Dec 2025	First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.)Manual entry Evidence record Sentinel Total Reserve · Cu · as at 2025-12-31 Reported figure Area Stockpiles Basis Not stated Ore tonnes (t) 54700000.0000 Grade 0.2200 Contained (t Cu) 120340.0000 Classification Reserve Source trail First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) Page reference not recorded Published 2026-02-28 Verification Approved; not independently verified · Manual entry t94 print-verified capture: "Total Mineral Reserves - - - 54.7 0.22 - 54.7 0.22 -" - the AIF prints no contained column so contained is derived t x g; rep=NULL (ops/t94_verified.md §A) \| t94a capture Copies a pre-filled issue record so you can send it through your normal channel.	notes (3) Source: First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.)