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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).

Iron Ore Company of Canada

Newfoundland and Labrador, Canada · Producing · 58.7% 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.

Category	Tonnes (Mt)	Grade (% Fe)	Contained (Mt Fe)	As at
Measured	95.00 Mt	40.30%	38.29 Mt Fe	31 Dec 2025
Indicated	327.00 Mt	38.90%	127.20 Mt Fe	31 Dec 2025
Inferred	331.00 Mt	38.80%	128.43 Mt Fe	31 Dec 2025
Total Resources	753.00 Mt	39.03%	293.92 Mt Fe	31 Dec 2025
Proved	85.00 Mt	65.00%	55.25 Mt Fe	31 Dec 2025
Probable	137.00 Mt	65.00%	89.05 Mt Fe	31 Dec 2025
Total Reserves	222.00 Mt	65.00%	144.30 Mt Fe	31 Dec 2025

Cut-off grade

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Price assumption

US$133.30/t

JORC code year

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Peer benchmark — producing Fe projects (34 with resources)Resource size P49Resource grade P34View 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: 20-F: 20-F · 31 Dec 2025
Reporting code: SK-1300
Convention: exclusive
Currency assumption: US$

Current R&R

Resources

Category	Tonnes (Mt)	Fe		As at	Source	Provenance
Category	Tonnes (Mt)	Grade (% Fe)	Contained (Mt Fe)	As at	Source	Provenance
Measured	95.00 Mt	40.30%	38.29 Mt Fe	31 Dec 2025	Mineral Resources — Iron ore tableUnverified Evidence record Iron Ore Company of Canada Measured · Fe · as at 2025-12-31 Reported figure Area Whole project Basis 100% Ore tonnes (t) 95000000.0000 Grade 40.3000 Contained (t Fe) 38285000.0000 Classification Resource Source trail 20-F: 20-F Mineral Resources — Iron ore table Published 2026-02-19 Verification Approved; not independently verified · Model extracted QA WARN: duplicate row — this (project, mining area, commodity, classification, category, as-at date) appears 2 times in the document. Keep one and reject the extras. Copies a pre-filled issue record so you can send it through your normal channel.

Reserves

Category	Tonnes (Mt)	Fe		As at	Source	Provenance
Category	Tonnes (Mt)	Grade (% Fe)	Contained (Mt Fe)	As at	Source	Provenance
Proved	85.00 Mt	65.00%	55.25 Mt Fe	31 Dec 2025	Mineral Reserves — Iron ore tableUnverified Evidence record Iron Ore Company of Canada Proved · Fe · as at 2025-12-31 Reported figure Area Whole project Basis 100% Ore tonnes (t) 85000000.0000 Grade 65.0000 Contained (t Fe) 55250000.0000 Classification Reserve Source trail 20-F: 20-F Mineral Reserves — Iron ore table Published 2026-02-19 Verification Approved; not independently verified · Model extracted QA WARN: duplicate row — this (project, mining area, commodity, classification, category, as-at date) appears 2 times in the document. Keep one and reject the extras. Copies a pre-filled issue record so you can send it through your normal channel.	notes (3) Source: 20-F: 20-F · published 19 Feb 2026 Ref: Mineral Reserves — Iron ore table SK-1300 — Reporting code of record: SK-1300 @ US$ 133.3/t — Metal price assumption used to derive this estimate. QA notes: QA WARN: duplicate row — this (project, mining area, commodity, classification, category, as-at date) appears 2 times in the document. Keep one and reject the extras.
Probable	137.00 Mt	65.00%	89.05 Mt Fe	31 Dec 2025	Mineral Reserves — Iron ore tableUnverified Evidence record Iron Ore Company of Canada Probable · Fe · as at 2025-12-31 Reported figure Area Whole project Basis 100% Ore tonnes (t) 137000000.0000 Grade 65.0000 Contained (t Fe) 89050000.0000 Classification Reserve Source trail 20-F: 20-F Mineral Reserves — Iron ore table Published 2026-02-19 Verification Approved; not independently verified · Model extracted QA WARN: duplicate row — this (project, mining area, commodity, classification, category, as-at date) appears 2 times in the document. Keep one and reject the extras. Copies a pre-filled issue record so you can send it through your normal channel.	notes (3) Source: 20-F: 20-F · published 19 Feb 2026 Ref: Mineral Reserves — Iron ore table SK-1300 — Reporting code of record: SK-1300
Total Reserves	222.00 Mt	65.00%	144.30 Mt Fe	31 Dec 2025	derived from 2 rows Proved: Mineral Reserves — Iron ore table Probable: Mineral Reserves — Iron ore table Unverified Evidence record Iron Ore Company of Canada Total Reserve · Fe · as at 2025-12-31 Reported figure Area Whole project Basis 100% Ore tonnes (t) 222000000 Grade 65 Contained (t Fe) 144300000 Classification Reserve Source trail 20-F: 20-F Mineral Reserves — Iron ore table · contributes Proved 20-F: 20-F Mineral Reserves — Iron ore table · contributes Probable Verification Approved; not independently verified · Model extracted Copies a pre-filled issue record so you can send it through your normal channel.	—