Meridian Mining Plc · TSX:MNO

Meridian Mining — Meridian Mining UK S — Investor Presentation (January 2023)

28 slides from Meridian Mining's investor presentation, January 2023

  1. Slide 1: Cabaçal an open multi-million ounce gold equivalent deposit

    Initial Resource: Cabaçal an open multi-million ounce gold equivalent deposit Unlocking belt scale exploration upside: Targeting large scale copper-gold-silver discoveries within 50km copper-gold-silver-zinc VMS belt Corporate Presentation, January 2023 TSX: MNO / OTCQB: MRRDF / Frankfurt: 2MM merid

  2. Slide 2: Cautionary Note Regarding Forward-Looking Statements

    CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS This presentation does not constitute or form a part of, and should not be construed as an offer, solicitation or invitation to subscribe for, underwrite or otherwise acquire, any securities of Meridian Mining UK Societas (“Meridian”), nor shall i

  3. Slide 3: Cabaçal Deposit Highlights

    C ABAÇAL D EPOSIT H IGHLIGHTS Giant VMS deposit - Mineralized tonnage Top tier metallurgy Cu +94% & Au +87% top 4% global VMS projects1 Recoveries Initial resource ~2 million ounce AuEq2 18 month to initial NI 43-101 resource with belt scale targets Discovery cost - USD 3.5 per ounce Scope for high-

  4. Slide 4: Brazil - Top Tier Mining Jurisdiction

    B R A Z I L - T O P T I E R M I NI NG J UR I S DI CT I ON C A B A ÇA L : Development Priority - largest Cu-Au VMS project in Brazil one of the largest in South America E SP I GÃ O : Exploration Upside - large IOCG exploration target comparable to Carajás and Olympic Dam ESPIGÃO C A B A ÇA L Corporat

  5. Slide 5: Corporate Information - Meridian Mining UK S

    C OR P OR A T E I NFOR M A T I ON - M E R I DI A N M I NI NG U K S Corporate Structure1 Meridian Mining UK S Shares Outstanding 202.8 m Compensation Warrants 0.5 m (CAD 0.35) TSX OTCQB Frankfurt MNO MRRDF 2MM 18.1 m Options (CAD 0.07-1.10) Fully Diluted 221.4 m CAD 0.39 Share Price (27 Jan 2023) Mar

  6. Slide 6: Meridian Leadership

    M E R I DI A N L E A DE R S HI P G I L B E RT C L A RK MARTIN MCFARLANE A F O N S O F I G U E I RED O Executive Chairman President Geologist +25 years experience + 30 years experience + 50 years experience A D R I A N M C A RT HU R SORAIA MORAIS ROCKY OSBORNE CEO & Director Chief Financial Officer G

  7. Slide 7: ESG

    ESG CLEAN I NDUSTRIAL R ENEWABLE ENERGY Regional Hydroelectric Generation Jaurú Cascade 235.9 MW (6 Facilities) Juba Cascade 139.4 MW (4 Facilities) Governing ESG Philosophies a LONG TERM EMPLOYMENT CLEAN SOILS CLEAN WATER CLEAN AIR CLEAN ENERGY Corporate Presentation, January 2023 TSX: MNO / OTCQB:

  8. Slide 8: Higher Grade Continuous Sub-Domains

    CABAÇAL H IGHER G RADE C ONTINUOUS S UB -D OMAINS 1 Note 1 See News Release dated 26th September Block model @ 0.3g/t AuEq Cut-off Block model @ 0.5g/t AuEq Cut-off Ind - 52.9Mt - 1.8Moz AuEq @ 1.1g/t AuEq Ind - 34.5Mt - 1.6 Moz AuEq @ 1.4g/t AuEq Inf - 10.3Mt - 0.3Moz AuEq @ 1.0g/t AuEq Inf - 5.6Mt

  9. Slide 9: Sections Through Cabaçal Deposit

    CABAÇAL S ECTIONS T HROUGH C ABAÇAL D EPOSIT 1 ^ A-A’ - LONG SECTION THROUGH CABAÇAL LOOKING NORTHEAST ~1,900 m ^ B-B’ - CROSS SECTION THROUGH CABAÇAL MAIN LOOKING NORTHWEST A B’ ~400 m B Wide copper-gold VMS package cut by later stage high-grade gold veins A’ Note 1 See News Release dated 26th Sept

  10. Slide 10: Initial Focus on the CNWE Shallow High-Grade Trends

    CABAÇAL I NITIAL FOCUS ON THE CNWE SHALLOW HIGH - GRADE TRENDS Open high-grade shallow gold zone on Cabaçal ridge - Potential to become a starter pit in a development scenario Expansion through ongoing resource definition and belt-scale exploration C’ C C’ C Note: 1 See News Release NW Sector 440 st

  11. Slide 11: Further Expanding and Infilling Cabaçal Resource

    CABAÇAL F URTHER E XPANDING AND I NFILLING C ABAÇAL R ESOURCE 1 Drilling the deposit’s upside Further defining high- grade structures New targeted zones around Cabaçal Resource CNWE grid reducing to 25 x 25m Highest-grade zones have the highest drill density Note: 1 See News Release dated: 10th Janu

  12. Slide 12: Systematically Unlocking Belt Scale Upside

    CABAÇAL S YSTEMATICALLY U NLOCKING B ELT S CALE U PSIDE C4-B Cabacal Mine 1.9 km with ~2 Moz AuEq Au-Cu-Ag C2 Trend ~2 km strike Au-Ag Sucuri ~2 km strike Au-Ag Alamo ~4 km strike Cu-Au-Ag 1 See Meridian NI-43-101 2nd June 2022 Santa Helena Mine 1.3 km strike Zn-Cu-Au-Ag-Pb Corporate Presentation, J

  13. Slide 13: Regional Exploration Targets

    CABAÇAL R EGIONAL E XPLORATION TARGETS 1 928 km2 tenements Cabaçal Mine Regional Exploration by BP Minerals Santa Helena Mine Historical Cu-Au-Ag geochemical anomalies Potential extensions of VMS belt stratigraphy Jaurú & Araputanga Greenstone belts potential to repeat discovery success at Cabaçal 1

  14. Slide 14: Metallurgical Highlights

    CABAÇAL Cabaçal Metallurgical Results METALLURGICAL METALURGICAL HIGHLIGHTS HIGHLIGHTS Top Tier Metal Recoveries High Quality Copper Concentrate - up to 29% Course Grind ~200 microns Simple Floatation - 65% Chalcopyrite Low Bond Work Index - 11.2 Copper Recovery Gold Recovery Low Abrasion Index - 0.

  15. Slide 15: Espigão IOCG Target

    ESPIGÃO E SPIGÃO IOCG T ARGET Espigão Project Iron Oxide-Copper-Gold (“IOCG”) type deposits host the giant Cu-Au mines of Brazil and some of the biggest Cu-Au mines internationally e.g. Salobo and Olympic Dam Espigão hosts the prospective geochemistry comparable to large-scale IOCG type deposits Fir

  16. Slide 16: Milestones and Catalysts

    M ILESTONES AND C ATALYSTS 2021 2022 2023 Initial drilling at Initial NI 43-101 PEA Cabaçal resource (Q1/2 2023) Cabaçal twin drilling Defines ~2m oz AuEq Infill drilling high- program in pit grade starter zone CNWE drilling returns Top tier Near mine 26.7m @ 21.5 g/t Au metallurgical results explor

  17. Slide 17: Investment Highlights

    I NVESTMENT H IGHLIGHTS Developing the next polymetallic mining belt in Brazil Giant VMS deposit - Mineralized tonnage Top tier metallurgy Cu +94% & Au +87% top 4% global VMS projects1 Recoveries Initial resource ~2 million ounce AuEq2 18 month to initial NI 43-101 resource with belt scale targets D

  18. Slide 18: Appendix

    APPENDIX Corporate Presentation, January 2023 TSX: MNO / OTCQB: MRRDF / Frankfurt: 2MM meridianmining.co

  19. Slide 19: Potential Upside of Cabaçal to Global VMS Deposits

    CA B A ÇA L Potential Upside of Cabaçal to Global VMS deposits Cabaçal VMS Project Analogues Cabaçal is a camp scale VMS project underexplored and under-developed compared to analogue camps Cabaçal has already one giant VMS deposit defined Cabaçal (+53Mt)4 VMS deposits tend to form periodically, rel

  20. Slide 20: Evolution of VMS Camps over time

    CA B A ÇA L Evolution of VMS Camps over time1 Flin Flon Greenstone Belt Mine Life The Technical Evolution & Discovery Methods First discovery identified through prospecting (David Collins - Tom Method Used Creighton, 1914) Geophysical • Early mapping and geochemistry may Geological identify hydrothe

  21. Slide 21: Mato Grosso excellent existing infrastructure and green power

    CABAÇAL Mato Grosso Infrastructure Infrastructure in place ready for potential future mine developments at Cabaçal Road – Highway ~20km, and all-weather roads to site Rail – Short trucking distance connecting direct to port Port - Sao Paulo provides access for Europe and Asia Power – Hydro electric

  22. Slide 22: Cabaçal Indicated Resource

    CABAÇAL Cabaçal Indicated Resource 1 Indicated Resources AuEq cut Tonnage Au Cu Ag AuEq Au Cu Ag AuEq off g/t Mt g/t % ppm g/t Mozs Kt Mozs Mozs 0.1 86.1 0.42 0.23 1.0 0.72 1.2 201.4 2.9 2.0 0.2 67.7 0.52 0.28 1.2 0.88 1.1 189.7 2.6 1.9 0.3 52.9 0.64 0.32 1.4 1.05 1.1 168.0 2.4 1.8 0.4 42.5 0.76 0.3

  23. Slide 23: Cabaçal Inferred Resource

    CABAÇAL Cabaçal Inferred Resource 1 Inferred Resources AuEq cut Tonnage Au Cu Ag AuEq Au Cu Ag AuEq off g/t Mt g/t % ppm g/t Mozs Kt Mozs Mozs 0.1 31.9 0.26 0.14 0.7 0.43 0.3 44.6 0.7 0.4 0.2 16.8 0.45 0.20 0.9 0.68 0.2 32.9 0.5 0.4 0.3 10.3 0.68 0.24 1.1 0.96 0.2 24.5 0.4 0.3 0.4 7.3 0.92 0.26 1.2

  24. Slide 24: Top Tier Metallurgical Recoveries

    CABAÇAL Top Tier Metallurgical Recoveries +94% Copper Recoveries Copper Recovery Copper recovery exceeds 90% from 0.1% to >3% Cu head grade While copper recovery declines with head grade the slope is very moderate Consideration will therefore be given to the viability of processing lower grade miner

  25. Slide 25: 25-29% Copper Concentrate

    CABAÇAL Cabaçal Concentrate Testwork 25-29% Copper Concentrate High-grade Copper Concentrate Copper concentrate grade correlates well to Sulphur : Copper feed grade ratio Concentrate grades varied up to 30% Cu with average mineralization expected to yield 25 – 29% Cu concentrate grade Copper concent

  26. Slide 26: Conceptual Flow Sheet

    CABAÇAL Conceptual Flow Sheet Simple Flow Sheet Clean Cu/Au/Ag Concentrates Minimal Recirculation Au/Ag Dore TAILINGS 29% Cu 94% Corporate Presentation, January 2023 TSX: MNO / OTCQB: MRRDF / Frankfurt: 2MM Meridian Mining UK S | 26

  27. Slide 27: Structured Option Agreement to Acquire Cabaçal

    Structured Option A g r e e m e n t t o a c q u i r e a CABAÇAL 100% beneficial interest1 Protects Meridian Shareholders Equity and provides Vendors an Interest Going Forward Payment Schedule Vendor Payment Vendor Payment Payments Requirements Comments Status (Months) (USD) (Shares) MNO will have ex

  28. Slide 28: Meridian Mining UK S Corporate Presentation, January 2023

    Meridian Mining UK S Dr Adrian McArthur Gilbert Clark Phone: +1 778 715 6410 Corporate Address: Chief Executive Officer Executive Chairman Email: info@meridianmining.net.br 6th Floor, 65 Gresham Street, London EC2V 7NQ United Kingdom Corporate Presentation, January 2023 TSX: MNO / OTCQB: MRRDF / Fra

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