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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).

Ahafo South

Ghana · 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 (g/t Au)	Contained (Moz Au)	As at
Measured	4.70 Mt	1.56 g/t	0.20 Moz	31 Dec 2024
Indicated	33.50 Mt	3.35 g/t	3.60 Moz	31 Dec 2024
Inferred	15.00 Mt	2.70 g/t	1.30 Moz	31 Dec 2024
Total Resources	53.20 Mt	3.01 g/t	5.10 Moz	31 Dec 2024
Proved	30.20 Mt	1.51 g/t	1.50 Moz	31 Dec 2024
Probable	54.80 Mt	1.79 g/t	3.20 Moz	31 Dec 2024
Total Reserves	81.30 Mt	1.56 g/t	4.10 Moz	31 Dec 2025

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.

Cut-off grade

0.4800 g/t Au · 0.4900 g/t Au · 1.8000 g/t Au

Price assumption

US$2000.00/oz · US$2300.00/oz · US$1700.00/oz

JORC code year

—

Peer benchmark — producing Au projects (282 with resources)Resource size P79Resource grade P75View 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: 10-K: 10-K · 31 Dec 2025
Reporting code: SK-1300
Convention: exclusive
Currency assumption: US$
Disagreement flags: 14 rows

Current R&R

Resources

Area	Category	Tonnes (Mt)	Au		As at	Source	Provenance
Area	Category	Tonnes (Mt)	Grade (g/t Au)	Contained (Moz Au)	As at	Source	Provenance
Total	Measured	4.70 Mt	1.56 g/t	0.20 Moz	31 Dec 2024	Gold Resources at December 31, 2024 — Total Ahafo SouthUnverified Evidence record Ahafo South Measured · Au · as at 2024-12-31 Reported figure Area Whole project Basis attributable Ore tonnes (t) 4700000.0000 Grade 1.5600 Contained (oz) 200000.0000 Classification Resource Source trail 10-K: 10-K Gold Resources at December 31, 2024 — Total Ahafo South Published 2025-02-21 Verification Approved; not independently verified · Model extracted QA INFO: recompute differs 17.86% from the printed contained figure, but the print is exactly consistent with the recompute at the printed tonnes/grade/contained granularity (rounding-interval overlap) — treated as reconciled. \| tranche12b QA: verified against print/narrative cross-foots Copies a pre-filled issue record so you can send it through your normal channel.

Open Pit

Inferred

3.20 Mt

1.10 g/t

0.10 Moz

31 Dec 2025

Gold Resources at December 31, 2025Unverified

notes (5)

Source: 10-K: 10-K · published 19 Feb 2026

Ref: Gold Resources at December 31, 2025

SK-1300 — Reporting code of record: SK-1300
@ US$ 2,300/oz — Metal price assumption used to derive this estimate.
excl — Stated Resources are EXCLUSIVE of Reserves — they sit on top of the reserve, so decks quoting inclusive resources will show a larger figure (inclusive = this row + the converted reserve).
attrib — Figures are net to the issuer's ownership interest as reported (attributable basis) — NOT 100% of the project.

QA notes:

QA WARN: identical figures to a stored row of the same company/project/area/category under a DIFFERENT as-at date — likely a re-presentation (DFS / annual statement / global MRE restating an already-stored estimate). Keep one operative copy; verify supersession before storing both. QA WARN: recomputed contained 113170.6279 oz vs reported 100000 oz (13.17% disagreement) Rounding-interval overlap exists at the printed granularity, but a 13.17% gap exceeds the 10% interval-waiver ceiling (t23 STM AuEq-miscopy precedent) — verify the printed contained figure before approval.

Underground

Measured

1.20 Mt

3.69 g/t