Minaurum Silver Inc. · TSXV:MGG
Minaurum Silver — Investor Presentation (October 2026)
37 slides from Minaurum Silver's investor presentation, Oct 13, 2026
Slide 1: Alamos Silver Project
Alamos Silver Project Rapidly Expanding A Permitted High-Grade Silver Deposit MGG | TSX.V MMRGF | OTCQX October 2026
Slide 2: Forward Looking Statement
MGG | TSX.V MMRGF | OTCQX Forward Looking Statement Information Contained in this Presentation uncertain and involves subjective judgments about many relevant factors . Mineral Resources that are not Mineral Reserves do not have demonstrated economic viability . The accuracy of any such estimates is
Slide 3: Investment Highlights
MGG | TSX.V MMRGF | OTCQX Investment Highlights Discovery Track Record Advancing Silver Discovery Strong Capital Structure District - Scale Pipeline Team has discovered Advancing 100% owned Long term focused Control an entire Copper 300 Moz Silver & 63 Moz and permitted Alamos precious metal funds,
Slide 4: Leadership Team with Major Discoveries
MGG | TSX.V MMRGF | OTCQX Leadership Team with Major Discoveries President & CEO, Director Darrell Rader BBA V.P. Exploration Stephen Maynard M.S. Co- Founder , Senior Consulting Geologist & Advisor ✓ MAG Silver’s Juanicipio Silver Deposit, Cinco Dr. Peter Megaw Ph.D , C.P.G. de Mayo Ag - Pb- Zn- Cu
Slide 5: Capitalization
MGG | TSX.V MMRGF | OTCQX Capitalization Management High Net Strong Shareholder Base Share Price $0.33 Worth/Family Cash Position $11M Offices Retail 5% Market Cap $165M Shares Outstanding 517,267,284 25% Options 19,020,000 ($0.15- $0.52) 50% Warrants ($0.18; $0.25, $0.36, $0.37, 58,563,956 $0.50) 2
Slide 6: District-Scale Project Pipeline
MGG | TSX.V MMRGF | OTCQX District-Scale Project Pipeline Silver, Gold, Copper, Lead and Zinc: 95,498 Hectare Portfolio Santa Marta Cu Aurena Au Alamos Taviche Ag Silver Project Aurifero Au Adelita Cu - 1% NSR Biricu Au 6
Slide 7: Alamos Silver Project
Alamos Silver Project Growing a Robust Initial Silver Resource
Slide 8: Alamos Is A Stand-Alone Tier One Silver Asset
MGG | TSX.V MMRGF | OTCQX Alamos Is A Stand-Alone Tier One Silver Asset High Grade Silver Initial Resource. 55 Moz AgEq grading 320 g/t AgEq 1 Goldgroup San Francisco Mine Penoles La Herradura Solidad Y Dipolos Long Term Government and Access Agreements. Highlander Silver 30- Year MIA Underground Mi
Slide 9: Well Positioned to Utilize Existing Infrastructure
MGG | TSX.V MMRGF | OTCQX Well Positioned to Utilize Existing Infrastructure Piedras Verdes Copper - Gold Mine Major Operating Mine Adjacent to Alamos Project. Piedras Verdes employs +500 Invested capital in infrastructure Airport. International airport 50 km W of Alamos city Road. Direct to project
Slide 10: Explorer with Mining Permit In Hand
MGG | TSX.V MMRGF | OTCQX Explorer with Mining Permit In Hand Company Market Cap Mineral Resource Production Permit - $1.9Bn Submitted February 2025 $1.8Bn $620M (Partially Permitted - Stockwork Zone) $250M Not Submitted $220M Not Submitted $165M 10
Slide 11: Historical Production…Scratching The Surface
MGG | TSX.V MMRGF | OTCQX Historical Production…Scratching The Surface Quintera Promontorio Minas Nuevas KEY FINDINGS: 1) Historic mines ended prematurely in mineralization 100 Moz1 70 Moz 1 30 Moz 1 2) Historic underground Operated intermittently 1680 - 1908 Hole U - 1 Hole TP 80 - 08 1.2 m grading
Slide 12: High-Grade Silver Resource
MGG | TSX.V MMRGF | OTCQX High-Grade Silver Resource Growth Potential Robust Resource Silver Dominant 3 of 26 vein zones only; 55 Moz AgEq @ 320 g/t AgEq 63% in Silver Resource expansion program underway Conservative Sensitivity Analysis Polymetallic Upside High cut - off grade, recovery, Resilient
Slide 13: Conservative & Robust Inferred Resource
MGG | TSX.V MMRGF | OTCQX Conservative & Robust Inferred Resource Average Grade Metal Content Vein Zones Mass AgEq Ag Au Cu Pb Zn AgEq Ag Au Cu Pb Zn Ktonnes (g/t) (g/t) (g/t) (%) (%) (%) (koz) (koz) (koz) (klbs) (klbs) (klbs) Promontorio 3,231 276 140 0.31 0.39 1.17 2.46 28,691 14,532 31.86 27,431
Slide 14: Sensitivity Analysis
MGG | TSX.V MMRGF | OTCQX Sensitivity Analysis Metal Content and Grade are Resilient at Various Cut-Offs Average Grade Metal Content Mass AgEq Ag Au Cu Pb Zn AgEq Ag Au Cu Pb Zn Resource Case Ktonnes (g/t) (g/t) (g/t) (%) (%) (%) (koz) (koz) (koz) (klbs) (klbs) (klbs) Case 2. 125 g/t Equivalent Silv
Slide 15: Three High Priority Targets
MGG | TSX.V MMRGF | OTCQX 15 Piedras Verdes Mine km North Three High Priority Targets • Promontorio , Europa - Guadalupe & Travesía Maiden Resource Target Zones • Open mineralization ready for systematic expansion along known regional trends A Piedras Verdes Mine A’ Cross Section of Maiden Resource
Slide 16: 1. Promontorio Vein Zone (inc. Travesía)
1. Promontorio Vein Zone MGG | TSX.V MMRGF | OTCQX (inc. Travesía) Promontorio Maiden • ~ 4,000 m cumulative mineralized strike length tested to date in 5 Resource Target different sub - parallel veins • Average width of minera lization is 5.4 m (all veins weighted average) • Average grade 1 of 179
Slide 17: MGG | TSX.V MMRGF | OTCQX
MGG | TSX.V MMRGF | OTCQX • Drilling to date at Promontorio and Promontorio Sur show significant skarn/carbonate replacement (CRD) mineralization hosted by limestone in the footwall of the vein zones. Hole AL25 - 138 intersected a significant wide zone of skarn/CRD lead - and zinc - sulfide minerali
Slide 18: Underground Rehabilitation
MGG | TSX.V MMRGF | OTCQX Underground Rehabilitation Advanced 600 m on haulage level and the 55 m deep Balvanera shaft Balvanera shaft hoist room. Note yellow safety railing View of portion of Promontorio around Balvanera shaft collar at center - right of image vein zone in immediate hanging and gra
Slide 19: Underground Exploration
MGG | TSX.V MMRGF | OTCQX Underground Exploration Underground channel sampling conducted across mineralized structures along the edges of historically mined stopes returned the following highlights: • 0.30 m of 4,142 g/t AgEq (3,860 g/t Ag , 0.42 g/t Au, 1.91% Cu, 1.58% Pb, 2.21% Zn) (Sample 101307)
Slide 20: 2. Europa-Guadalupe Vein Zone
MGG | TSX.V MMRGF | OTCQX 2. Europa-Guadalupe Vein Zone • > 3,000 m cumulative mineralized strike length tested to Europa Zone Maiden date in 4 sub - parallel veins Resource Target • Average width of minera lization 1 is 3.1 m • Average grade of 347 g/t Ag, 0.6% Cu, 0.9% Pb, and 1.5% Zn, or 456 g/t
Slide 21: Europa Vein Zone High Grade Extension > 900 m
MGG | TSX.V MMRGF | OTCQX Europa Vein Zone High Grade Extension > 900 m • Extended high - grade mineralization along strike, defining new zone “Europa Sur” • Hole AL25 - 163 intersected a OPEN significant wide interval of 12.35 m zone averaging 408 g/ tAgEq , including 3.20 m of 1,277g/t AgE q (1,03
Slide 22: MGG | TSX.V MMRGF | OTCQX
MGG | TSX.V MMRGF | OTCQX Results bolster prior Minaurum high - grade intercepts including a wide intercept of 12.35m of 408 g/t AgEq (318 g/t Ag, 0.09 g/t Au, 0.35% Cu, 1.60% Pb, 0.90% Zn) (AL25 - 163), and 0.60 m of 828 g/t AgEq (701g/t Ag , 0.07 g/t Au, 0.34% Cu, 0.52% Pb, 3.39% Zn) (AL26 - 186),
Slide 23: Path to 100,000,000 Oz AgEq
MGG | TSX.V MMRGF | OTCQX Path to 100,000,000 Oz AgEq • High - Grade Mineralization Identified by drilling in multiple additional vein zones in the project ; Phase II - 50,000 m Resource Expansion Drill Program • Minas Nuevas , Alessandra, San José, and Pulpito - Cotera Vein Zones are ready for syst
Slide 24: Quintera
MGG | TSX.V MMRGF | OTCQX Quintera La Quintera OPEN Historic UG Works Surface KEY FINDINGS: 1. 100M oz Historical Producer 2. Mined on limited footprint due its super high grade and width OPEN 3. Opportunity to find multiple “Super Shoots” in highly - prospective structure ready for 600 m systematic
Slide 25: Quintera Extends at Depth With Wide Widths
MGG | TSX.V MMRGF | OTCQX Quintera Extends at Depth With Wide Widths • AL26 - 230 intersected a significant width of high - grade silver , cutting 26.30 m of 369 g/t AgEq (306 g/t Ag , 0.03 g/t Au, 0.37% Cu, 0.73% Pb, 0.61% Zn), outside of the old mine workings and about 75 m north of the high - gra
Slide 26: Alessandra, Cotera, San Jose
MGG | TSX.V MMRGF | OTCQX Alessandra Target - AgEq* x Thickness Contours Alessandra, Cotera, San Jose Cotera Target - AgEq* x Thickness Contours Key Cotera Findings: 1. 1,200 m cumulative strike AL19- 039 length in Cotera 1 & 2 10.6 @ 144 ready for infill and AL19- 038 4.5 @ 308 expansion drilling.
Slide 27: Minas Nuevas
MGG | TSX.V MMRGF | OTCQX AgEq* x Thickness Contours Minas Nuevas Minas Nuevas Vein Zone Long Section (Looking NE) Minas Nuevas Historic UG Works 200 m AL17- 001 4.2 @ 139 AL17- 002 1.1@ 116 250 m TZ80 - 09 AL21- 099 2.9 @ 367 OPEN OPEN 9.8 @ 1,001 TZ80 - 01 TZ80 - 04 TZ80 - 08 1.6 @ 839 0.4 @ 337 1
Slide 28: Development Timeline
MGG | TSX.V MMRGF | OTCQX Development Timeline 2026 2027 H1 H2 H1 H2 Permitting Infill & Step Out Drilling Initial Metallurgical Testing Maiden Resource Underground Access & Rehabilitation Comprehensive Metallurgical Testing Resource Update PEA 28
Slide 29: Upcoming Investor Catalysts
MGG | TSX.V MMRGF | OTCQX Upcoming Investor Catalysts ✓Established initial 55 Moz AgEq @ 320 g/t AgEq ; exceeding target of 50 Moz AgEq ✓Pathway to 100 Moz AgEq with several vein zone targets • Europa, Promontorio - Travesia • Quintera, San Jose, Alessandra, Cotera, Minas Nuevas • Appointed SGS to c
Slide 30: Opportunities in District-Scale Portfolio
MGG | TSX.V MMRGF | OTCQX Opportunities in District-Scale Portfolio Successful Exploration Demonstrates Upside GOLD SILVER COPPER ZINC Aurifero Taviche Adelita Lone Mountain 3.1 m of 18.37 g/t Au 34.2m @ 211.7 g/t Ag 47.6 m of 1.05% Cu , 46g/t Ag 118.87 m of 9.58% Zn and (Hole DMDDH - 01) (Hole HBET
Slide 31: Santa Marta – The Next Major Copper Discovery?
MGG | TSX.V MMRGF | OTCQX Santa Marta – The Next Major Copper Discovery? Copper discoverer David Lowell noted…’Santa Marta has a number of early geological indicators leading us to believe it could be a significant VMS deposit…the chances are good of finding a multimillion-tonne mineablecopper- zinc
Slide 32: Santa Marta – Permitting Initial Drill Program
MGG | TSX.V MMRGF | OTCQX Santa Marta – Permitting Initial Drill Program Commodity Copper - Gold Location Eastern Oaxaca Nearest City Zanatepec, Oaxaca and major port of Salina Cruz Nearest Major Fortuna Silver’s San Jose Mine Mining Project Gold Resource’s El Aguila Mine Land Package 6,410 has Two
Slide 33: Multiple District-Scale Projects
MGG | TSX.V MMRGF | OTCQX Multiple District-Scale Projects Lone Mountain Santa Marta Aurifero Aurena Biricu Adelita Taviche PROJECT Zinc - Lead - Copper - Gold Gold- Silver Gold Gold Copper - Silver Silver - Gold COMMODITY Silver - Gold VMS Epithermal Vein Skarn - VMS Skarn - Porphyry CRD - Porphyry
Slide 34: Contact Us
Contact Us 1570 - 200 Burrard Street Vancouver BC V6C 3L6 Canada www.minaurum.com Sunny Pannu, Investor Relations /Corporate Development Phone: +1 778 330 0994 Email : info@minaurum.com MGG | TSX.V MMRGF | OTCQX 78M | FRA A blue x in a yellow circle A picture containing flower, table, bird A black l
Slide 35: Responsible Exploration
Responsible Exploration Alamos Silver Project
Slide 36: Contributed $2.4M in Responsible Exploration Initiatives
MGG | TSX.V MMRGF | OTCQX Contributed $2.4M in Responsible Exploration Initiatives 1 ✓ Provided medical and sanitation during COVID together with transportation to testing ✓ Minaurum practices high standards of conduct and ✓ Planted over 22,000 Agave plants for the community and vaccination clinics
Slide 37: Appendix: Inferred Mineral Resource Estimate Summary
MGG | TSX.V MMRGF | OTCQX APPENDIX Inferred Mineral Resource Estimate Summary (150 g/t AgEq cut-off) Average Grade Metal Content Mass AgEq Ag Au Cu Pb Zn AgEq Ag Au Cu Pb Zn Ktonnes (g/t) (g/t) (g/t) (%) (%) (%) (koz) (koz) (koz) (klbs) (klbs) (klbs) Vein Promontorio Veta Grande 1,835 281 138 0.31 0
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