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).

Taca Taca

Salta, Argentina · Developing · 100.0% 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	421.50 Mt	0.14 g/t	1.90 Moz	30 Oct 2020
Indicated	1,781.80 Mt	0.07 g/t	4.01 Moz	30 Oct 2020
M&I = Measured + Indicated (overlaps both)	2,203.30 Mt	0.09 g/t	6.38 Moz	30 Oct 2020
Inferred	716.90 Mt	0.05 g/t	1.15 Moz	30 Oct 2020
Total Resources	1,161.70 Mt	0.05 g/t	1.97 Moz	30 Oct 2020
Proved	408.30 Mt	0.13 g/t	1.71 Moz	30 Oct 2020
Probable	1,350.20 Mt	0.08 g/t	3.47 Moz	30 Oct 2020
Total Reserves	1,758.50 Mt	0.09 g/t	5.09 Moz	30 Oct 2020

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.

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.

Cu

Category	Tonnes (Mt)	Grade (% Cu)	Contained (Mt Cu)	As at
Measured	421.50 Mt	0.60%	2.53 Mt Cu	30 Oct 2020
Indicated	1,781.80 Mt	0.39%	6.95 Mt Cu	30 Oct 2020
M&I = Measured + Indicated (overlaps both)	2,203.30 Mt	0.43%	9.47 Mt Cu	30 Oct 2020
Inferred	716.90 Mt	0.31%	2.22 Mt Cu	30 Oct 2020
Total Resources

Mo

Category	Tonnes (Mt)	Grade (% Mo)	Contained (Mt Mo)	As at
Measured	421.50 Mt	0.02%	0.07 Mt Mo	30 Oct 2020
Indicated	1,781.80 Mt	0.01%	0.20 Mt Mo	30 Oct 2020
M&I = Measured + Indicated (overlaps both)	2,203.30 Mt	0.01%	0.26 Mt Mo	30 Oct 2020
Inferred	716.90 Mt	0.01%	0.06 Mt Mo	30 Oct 2020
Total Resources

Cut-off grade

0.1300 g/t Au · 0.1300 % Cu · 0.1300 % Mo

Price assumption

US$3.00/t

JORC code year

—

Peer benchmark — developing Cu projects (124 with resources)Resource size P83Resource grade P50View 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.) · 30 Oct 2020
Reporting code: unknown
Convention: inclusive
Currency assumption: US$

Current R&R

Resources

Category	Tonnes (Mt)	Au		Cu		Mo		As at	Source	Provenance
Category	Tonnes (Mt)	Grade (g/t Au)	Contained (Moz Au)	Grade (% Cu)	Contained (Mt Cu)	Grade (% Mo)	Contained (Mt Mo)	As at	Source	Provenance
Measured	421.50 Mt	0.14 g/t	1.90 Moz	0.60%	2.53 Mt Cu	0.02%	0.07 Mt Mo	30 Oct 2020

M&I = Measured + Indicated (overlaps both)

2,203.30 Mt

0.09 g/t

6.38 Moz

0.43%

9.47 Mt Cu

0.01%

0.26 Mt Mo

30 Oct 2020

112Unverified

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: 112

Unknown code — Reporting code not yet captured for this row.
Cutoff 0.13 % Mo — 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 reject: re-presentation of an approved estimate: combined Measured-and-Indicated line stored as total_resource (Exhibit B Taca Taca 'Measured and Indicated' 2,203.3 Mt @ 0.012% Mo) — re-key to category m_and_i after the migration; ALSO needs as_at_date=2020-10-30 (Exhibit B prints 'Mineral Resource Statement for Taca Taca - as at October 30, 2020'
m_and_i re-key post-migration-0030: print-verified combined M&I, category was the only defect
as_at corrected to printed effective date (Exhibit B: as at October 30, 2020)

Reserves

Category	Tonnes (Mt)	Au		Cu		Mo		As at	Source	Provenance
Category	Tonnes (Mt)	Grade (g/t Au)	Contained (Moz Au)	Grade (% Cu)	Contained (Mt Cu)	Grade (% Mo)	Contained (Mt Mo)	As at	Source	Provenance
Proved	408.30 Mt	0.13 g/t	1.71 Moz	0.59%	2.41 Mt Cu	0.02%	0.07 Mt Mo	30 Oct 2020	112Unverified Evidence record Taca Taca Proved · Cu · as at 2020-10-30 Reported figure Area Whole project Basis 100% Ore tonnes (t) 408300000.0000 Grade 0.5900 Contained (t Cu) 2408970.0000 Classification Reserve Source trail First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) 112 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 fix: as_at_date=2020-10-30 Copies a pre-filled issue record so you can send it through your normal channel.	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: 112 Unknown code — Reporting code not yet captured for this row. Cutoff 0.13 % 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 fix: as_at_date=2020-10-30
Probable	1,350.20 Mt	0.08 g/t	3.47 Moz	0.39%	5.27 Mt Cu	0.01%	0.15 Mt Mo	30 Oct 2020	112Unverified Evidence record Taca Taca Probable · Cu · as at 2020-10-30 Reported figure Area Whole project Basis 100% Ore tonnes (t) 1350200000.0000 Grade 0.3900 Contained (t Cu) 5265780.0000 Classification Reserve Source trail First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) 112 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 fix: as_at_date=2020-10-30 Copies a pre-filled issue record so you can send it through your normal channel.
Total Reserves	1,758.50 Mt	0.09 g/t	5.09 Moz	0.44%	7.74 Mt Cu	0.01%	0.21 Mt Mo	30 Oct 2020	112Unverified Evidence record Taca Taca Total Reserve · Cu · as at 2020-10-30 Reported figure Area Whole project Basis 100% Ore tonnes (t) 1758500000.0000 Grade 0.4400 Contained (t Cu) 7737400.0000 Classification Reserve Source trail First Quantum Minerals Annual Information Form 2026 (R&R as at 31 Dec 2025: Kansanshi, Sentinel, Cobre Panama et al.) 112 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 fix: as_at_date=2020-10-30 Copies a pre-filled issue record so you can send it through your normal channel.