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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).

Diablillos

Salta and Catamarca, Argentina · Developing · 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.

Au

Category	Tonnes (Mt)	Grade (g/t Au)	Contained (Moz Au)	As at
Measured	66.51 Mt	0.45 g/t	0.97 Moz	30 Apr 2026
Indicated	165.47 Mt	0.30 g/t	1.57 Moz	30 Apr 2026
Inferred	49.35 Mt	0.26 g/t	0.42 Moz	30 Apr 2026
Total Resources	851.18 Mt	0.31 g/t	8.54 Moz	30 Apr 2026
Proved	36.55 Mt	0.71 g/t	0.84 Moz	16 May 2026
Probable	41.36 Mt	0.70 g/t	0.93 Moz	16 May 2026
Total Reserves	77.91 Mt	0.70 g/t	1.76 Moz	16 May 2026

Ag

Category	Tonnes (Mt)	Grade (g/t Ag)	Contained (Moz Ag)	As at
Measured	66.51 Mt	67.00 g/t	142.67 Moz	30 Apr 2026
Indicated	165.47 Mt	20.00 g/t	105.39 Moz	30 Apr 2026
Inferred	49.35 Mt	12.00 g/t	18.41 Moz	30 Apr 2026
Total Resources	851.18 Mt	28.75 g/t	787.25 Moz	30 Apr 2026
Proved	36.55 Mt	104.00 g/t	122.45 Moz	16 May 2026
Probable

Cut-off grade

39.0000 g/t Au · 15.0000 g/t Au · 39.0000 g/t Ag · 15.0000 g/t Ag · 38.0000 g/t Ag · 38.0000 g/t Au

Price assumption

US$34.50/oz · US$27.50/oz · US$29.50/oz

JORC code year

—

Peer benchmark — developing Ag projects (131 with resources)Resource size P99Resource grade P79View 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: AbraSilver's Definitive Feasibility Study Positions Diablillos Among the Premier Undeveloped Silver-Gold Projects Globally with CAD$4.2B After-Tax NPV5% & 42% IRR · 16 May 2026
Reporting code: unknown
Convention: unknown
Currency assumption: US$
Disagreement flags: 34 rows

Current R&R

Resources

Area	Category	Tonnes (Mt)	Au		Ag		As at	Source	Provenance
Area	Category	Tonnes (Mt)	Grade (g/t Au)	Contained (Moz Au)	Grade (g/t Ag)	Contained (Moz Ag)	As at	Source	Provenance
Total	Measured	66.51 Mt	0.45 g/t	0.97 Moz	67.00 g/t	142.67 Moz	30 Apr 2026	Table 1 / Appendix I (Total)Manual entry

Fantasma - Tank & Heap Leach

Indicated

1.05 Mt

0.01 g/t

0.34 koz

72.00 g/t

2.44 Moz

21 July 2025

Appendix I - Total Consolidated Mineral Resource Estimate (Tank & Heap Leaching)Unverified

notes (3)

Source: AbraSilver Substantially Increases Total Diablillos Mineral Resources to 199 Million Ounces Contained Silver and 1.7 Million Ounces Contained Gold (350 Moz AgEq) in M&I · published 29 July 2025

Ref: Appendix I - Total Consolidated Mineral Resource Estimate (Tank & Heap Leaching)

Unknown code — Reporting code not yet captured for this row.
@ US$ 27.5/oz — Metal price assumption used to derive this estimate.

QA notes:

QA WARN: identical figures appear under ANOTHER area label of this project in the same document — likely one printed estimate stored twice (a summary/grouping line duplicating its leaf). Keep one copy; reject the relabelled twin. QA INFO: identical figures to area(s) 'Fantasma - Tank Leach' — likely the same printed line under two labels (a summary and a detail table); keep one label and reject the other.

Fantasma - Tank & Heap Leach

Inferred

0.48 Mt

0.01 g/t

0.15 koz

64.00 g/t

0.98 Moz

21 July 2025

Appendix I - Total Consolidated Mineral Resource Estimate (Tank & Heap Leaching)Unverified

notes (3)

Ref: Appendix I - Total Consolidated Mineral Resource Estimate (Tank & Heap Leaching)

Unknown code — Reporting code not yet captured for this row.
@ US$ 27.5/oz — Metal price assumption used to derive this estimate.

QA notes:

QA WARN: identical figures appear under ANOTHER area label of this project in the same document — likely one printed estimate stored twice (a summary/grouping line duplicating its leaf). Keep one copy; reject the relabelled twin. QA WARN: mining_area 'Fantasma - Tank & Heap Leach' equals the sum of sibling areas (arithmetic subtotal), not a leaf area — approving it alongside the leaf areas double-counts. Reject it (or reject the leaves) before approval. QA INFO: identical figures to area(s) 'Fantasma - Tank Leach' — likely the same printed line under two labels (a summary and a detail table); keep one label and reject the other.

Laderas - Tank & Heap Leach

Indicated

1.84 Mt

0.40 g/t

0.02 Moz

12.00 g/t

0.73 Moz

21 July 2025

Appendix I - Total Consolidated Mineral Resource Estimate (Tank & Heap Leaching)Unverified

notes (3)

Ref: Appendix I - Total Consolidated Mineral Resource Estimate (Tank & Heap Leaching)

Unknown code — Reporting code not yet captured for this row.
@ US$ 27.5/oz — Metal price assumption used to derive this estimate.

QA notes:

QA WARN: mining_area 'Laderas - Tank & Heap Leach' equals the sum of sibling areas (arithmetic subtotal), not a leaf area — approving it alongside the leaf areas double-counts. Reject it (or reject the leaves) before approval. QA INFO: recompute differs 1.19% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±3.36% (rounding granularity) — treated as reconciled.

Oculto - Tank & Heap Leach

Indicated

59.35 Mt

0.54 g/t

1.04 Moz

32.00 g/t

61.78 Moz

21 July 2025

Appendix I - Total Consolidated Mineral Resource Estimate (Tank & Heap Leaching)Unverified

notes (3)

Ref: Appendix I - Total Consolidated Mineral Resource Estimate (Tank & Heap Leaching)

Unknown code — Reporting code not yet captured for this row.
@ US$ 27.5/oz — Metal price assumption used to derive this estimate.

QA notes:

QA WARN: mining_area 'Oculto - Tank & Heap Leach' equals the sum of sibling areas (arithmetic subtotal), not a leaf area — approving it alongside the leaf areas double-counts. Reject it (or reject the leaves) before approval. QA INFO: recompute differs 1.16% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±1.56% (rounding granularity) — treated as reconciled.

Tank & Heap Leach - Laderas

Indicated

5.68 Mt

0.27 g/t

0.05 Moz

9.00 g/t

1.58 Moz

30 Apr 2026

Appendix I - Total Consolidated Mineral Resource Estimate (Tank & Heap Leaching) April 30, 2026 - LaderasUnverified

notes (4)

Source: AbraSilver Expands Diablillos Mineral Resource Estimate to 248 Million Ounces Contained Silver and 2.5 Million Ounces Contained Gold (454 Moz AgEq) in M&I · published 06 May 2026

Ref: Appendix I - Total Consolidated Mineral Resource Estimate (Tank & Heap Leaching) April 30, 2026 - Laderas

Unknown code — Reporting code not yet captured for this row.
Cutoff 15.00 g/t Ag — Cut-off grade assumption from the source statement.
@ US$ 34.5/oz — Metal price assumption used to derive this estimate.

QA notes:

QA WARN: mining_area 'Tank & Heap Leach - Laderas' equals the sum of sibling areas (arithmetic subtotal), not a leaf area — approving it alongside the leaf areas double-counts. Reject it (or reject the leaves) before approval. QA INFO: recompute differs 3.79% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±5.60% (rounding granularity) — treated as reconciled.

Tank & Heap Leach - Laderas

Inferred

4.14 Mt

0.22 g/t

0.03 Moz

8.00 g/t

1.12 Moz

30 Apr 2026

Appendix I - Total Consolidated Mineral Resource Estimate (Tank & Heap Leaching) April 30, 2026 - LaderasUnverified

notes (4)

Source: AbraSilver Expands Diablillos Mineral Resource Estimate to 248 Million Ounces Contained Silver and 2.5 Million Ounces Contained Gold (454 Moz AgEq) in M&I · published 06 May 2026

Ref: Appendix I - Total Consolidated Mineral Resource Estimate (Tank & Heap Leaching) April 30, 2026 - Laderas

Unknown code — Reporting code not yet captured for this row.
Cutoff 15.00 g/t Ag — Cut-off grade assumption from the source statement.
@ US$ 34.5/oz — Metal price assumption used to derive this estimate.

QA notes:

QA WARN: mining_area 'Tank & Heap Leach - Laderas' equals the sum of sibling areas (arithmetic subtotal), not a leaf area — approving it alongside the leaf areas double-counts. Reject it (or reject the leaves) before approval. QA INFO: recompute differs 4.61% from the printed contained figure, but the printed tonnes/grade/contained are only good to ±6.06% (rounding granularity) — treated as reconciled.

Tank Leach

Measured

41.04 Mt

0.68 g/t

0.90 Moz

100.00 g/t

131.67 Moz

30 Apr 2026

Table 1 - Total Diablillos Mineral Resource Summary (Tank & Heap Leach) - As of April 30, 2026Unverified

notes (4)

Source: AbraSilver Expands Diablillos Mineral Resource Estimate to 248 Million Ounces Contained Silver and 2.5 Million Ounces Contained Gold (454 Moz AgEq) in M&I · published 06 May 2026

Ref: Table 1 - Total Diablillos Mineral Resource Summary (Tank & Heap Leach) - As of April 30, 2026

Unknown code — Reporting code not yet captured for this row.
Cutoff 39.00 g/t Ag — Cut-off grade assumption from the source statement.
@ US$ 34.5/oz — Metal price assumption used to derive this estimate.

QA notes:

QA WARN: mining_area 'Tank Leach' equals the sum of sibling areas (arithmetic subtotal), not a leaf area — approving it alongside the leaf areas double-counts. Reject it (or reject the leaves) before approval. QA BLOCK: conflicting duplicate — this (project, mining area, commodity, classification, category, as-at date) appears 2 times in the document WITH DIFFERENT figures. At most one copy matches the print; verify each against the document and reject the rest (a copy whose figures appear nowhere in the text is fabricated).

Reserves

Area	Category	Tonnes (Mt)	Au		Ag		As at	Source	Provenance
Area	Category	Tonnes (Mt)	Grade (g/t Au)	Contained (Moz Au)	Grade (g/t Ag)	Contained (Moz Ag)	As at	Source	Provenance
Total	Proved	36.55 Mt	0.71 g/t	0.84 Moz	104.00 g/t	122.45 Moz	16 May 2026	Table 6 – Diablillos Mineral Reserve Estimate (Tank Leach only)Unverified Evidence record Diablillos Proved · Ag · as at 2026-05-16 Reported figure Area Whole project Basis 100% Ore tonnes (t) 36547000.0000 Grade 104.0000 Contained (oz) 122452000.0000 Classification Reserve Source trail AbraSilver's Definitive Feasibility Study Positions Diablillos Among the Premier Undeveloped Silver-Gold Projects Globally with CAD$4.2B After-Tax NPV5% & 42% IRR Table 6 – Diablillos Mineral Reserve Estimate (Tank Leach only) Published 2026-06-22 Verification Approved; not independently verified · Model extracted Copies a pre-filled issue record so you can send it through your normal channel.	notes (3) Source: AbraSilver's Definitive Feasibility Study Positions Diablillos Among the Premier Undeveloped Silver-Gold Projects Globally with CAD$4.2B After-Tax NPV5% & 42% IRR · published 22 June 2026 Ref: Table 6 – Diablillos Mineral Reserve Estimate (Tank Leach only) Unknown code — Reporting code not yet captured for this row. Cutoff 38.00 g/t Ag — Cut-off grade assumption from the source statement. @ US$ 29.5/oz — Metal price assumption used to derive this estimate.
Total	Probable	41.36 Mt	0.70 g/t	0.93 Moz	46.00 g/t	61.09 Moz	16 May 2026	Table 6 – Diablillos Mineral Reserve Estimate (Tank Leach only)Unverified Evidence record Diablillos Probable · Ag · as at 2026-05-16 Reported figure Area Whole project Basis 100% Ore tonnes (t) 41364000.0000 Grade 46.0000 Contained (oz) 61085000.0000 Classification Reserve Source trail AbraSilver's Definitive Feasibility Study Positions Diablillos Among the Premier Undeveloped Silver-Gold Projects Globally with CAD$4.2B After-Tax NPV5% & 42% IRR Table 6 – Diablillos Mineral Reserve Estimate (Tank Leach only) Published 2026-06-22 Verification Approved; not independently verified · Model extracted Copies a pre-filled issue record so you can send it through your normal channel.	notes (3) Source: AbraSilver's Definitive Feasibility Study Positions Diablillos Among the Premier Undeveloped Silver-Gold Projects Globally with CAD$4.2B After-Tax NPV5% & 42% IRR
Total	Total Reserves	77.91 Mt	0.70 g/t	1.76 Moz	73.00 g/t	183.54 Moz	16 May 2026	Table 6 – Diablillos Mineral Reserve Estimate (Tank Leach only)Unverified Evidence record Diablillos Total Reserve · Ag · as at 2026-05-16 Reported figure Area Whole project Basis 100% Ore tonnes (t) 77911000.0000 Grade 73.0000 Contained (oz) 183537000.0000 Classification Reserve Source trail AbraSilver's Definitive Feasibility Study Positions Diablillos Among the Premier Undeveloped Silver-Gold Projects Globally with CAD$4.2B After-Tax NPV5% & 42% IRR Table 6 – Diablillos Mineral Reserve Estimate (Tank Leach only) Published 2026-06-22 Verification Approved; not independently verified · Model extracted Copies a pre-filled issue record so you can send it through your normal channel.	notes (3) Source: AbraSilver's Definitive Feasibility Study Positions Diablillos Among the Premier Undeveloped Silver-Gold Projects Globally with CAD$4.2B After-Tax NPV5% & 42% IRR