Meridian Mining Plc · TSX:MNO
Meridian Mining — Investor Presentation (June 2026)
28 slides from Meridian Mining's investor presentation, Jun 1, 2026
Slide 1: Cabaçal's DFS Results - Brazil's Next Gold-Copper Mine
CABAÇAL’S DFS RESULTS - BRAZIL’S NEXT GOLD-COPPER MINE Corporate Presentation MNO MNO MRRDF N2E0 meridianmining.co
Slide 2: Cautionary Note Regarding Forward-Looking Statements
C AUTIONARY NOTE REGARDING MERIDIAN FORWARD - LOOKING STATEMENTS MINING 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 plc (“Meridian”),
Slide 3: Important Information
IMPORTANT INFORMATION MERIDIAN MINING This presentation, (the "Presentation") has not been approved by an authorised person within the meaning of the United Kingdom's Financial Services and Markets Act 2000 ("FSMA"). The Presentation should not be construed as, an offer or invitation to sell or issu
Slide 4: DFS Highlights: Multi-Billion USD Value
D F S H I G HL I G HT S C A B A ÇA L ' S M UL T I - B I L L I ON U S D V A L UE MERIDIAN MINING P O S T - T A X N P V 5 ( U S D B ) & I R R ( % ) S E NS I T I V I T Y T O G OL D & COPPE R PR I CE S Gold price (US$/oz) Base Spot – $3,000 $3,570 $4,000 $4,394 $5,000 $6,000 $8,000 NPV5 IRR NPV5 IRR NPV
Slide 5: DFS Cash Flow Shows Rapid Repayment in Less Than One Year
D F S C A S HFL OW S HOWS R A PI D R E PA YM E NT I N L E SS T HA N ONE YE A R MERIDIAN MINING FR E E CA S H FL OW M E T R I CS Notes: 1 See Press Release 22nd September 2026 meridianmining.co MNO MNO MRRDF N2E0 5
Slide 6: DFS – Engineered to Be Built
D F S – E NG I NE E R E D T O B E B UI L T MERIDIAN MINING C A B A ÇA L P R OJ E CT C O ST & M I NI NG M E T R I CS Cabaçal Capital Costs Physical Metrics Initial Costs USD million Plant Feed Mined Mt 56.0 Mine 31 Process 156 Waste Mined Mt 79.3 Piles 52 Total Mined Mt 135.4 Offsite Infrastructure 2
Slide 7: Resource & Reserve Statements
R E SO U R CE & R E S E R V E S T A T E M E NT S MERIDIAN MINING R E SOUR CE S T A T E M E NT C A B A ÇA L P R OJ E CT Average Value Material Content Resource Weathering Mass Au Ag Cu Au Ag Cu Classification (Mt) (g/t) (g/t) (%) (oz) (oz) (Kt) Add Image Saprolite 0.33 0.44 0.69 0.12 4.56 7.22 0.38 T
Slide 8: Production Schedule
P R ODU CT I O N S CHE DUL E MERIDIAN MINING M I NE T HR O UG HPUT M E T A L G R A DE Notes: 1 See Press Release 22nd September 2026 meridianmining.co MNO MNO MRRDF N2E0 8
Slide 9: Plant Layout – Designed for Expansion
C A B A ÇA L PL A NT L A YOUT – D E S I G NE D FOR E XPA NSI O N 1 MERIDIAN MINING Simple mine and plant layout Tailings optimised for Update trucking distance Two stage expansion plan with footings in place for 4.5mtpa production Notes: 1 See Press Release 22nd September 2026 meridianmining.co MNO
Slide 10: Flowsheet - Simplicity Leads to Low-Cost Processing
F L OW S HE E T - S I M PL I CI T Y L E A DS T O L O W - C O ST P R O CE SSI NG 1 MERIDIAN MINING S IMPLE P ROCESS F LOWSHEET Coarse grind Clean copper ~150 micron concentrate 29% Copper High metal High payables recoveries Low Impurities Gold - 89.3% No penalties Copper – 92.8% 1 commercial Dry stac
Slide 11: Benefitting from Mato Grosso's Existing Infrastructure
B E NE FI T T I NG FR O M M A T O G R O SSO ’ S E XI S T I NG I NFR A S T R UCT UR E MERIDIAN MINING Hydro-Power Generation: 375 MW (within 100km) MATO GROSSO Power Substation ~20 km Cabaçal Project Optimised Trucking Route Multiple renewable energy facilities within region Notes: 1 See Press Releas
Slide 12: Milestones to Near-Term Production
C A B A ÇA L M I L E ST ONE S T O NE A R - T E R M PR O DUCT I O N MERIDIAN MINING 2026 2027 2028 2029 WET SEASON DRY SEASON WET SEASON DRY SEASON WET SEASON Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Engineering DETAILED ENGINEERING PROJECT Finance FINANCE INSTALLATION LICENCE1 Permitting OPERATIONAL LICENCE1 L
Slide 13: Generative Exploration Across Greenstone Belts
G E NE R A T I V E E XP L OR A T I ON A CR O SS 3 G R E E NS T ONE B E L T S MERIDIAN MINING Exploration budget CAD 10 m Multiple Cigarra prospects Cabaçal North Cabaçal On-going exploration programs 7km Cu Anomaly Chiquito Drilling & Geophysics Sucuri Santa Helena Alamo Araputanga Belt Significant
Slide 14: Corporate Information
C OR P O R A T E I NFOR M A T I ON MERIDIAN MINING C OR P OR A T E S T R UCT UR E M E R I DI A N M I NI NG PL C Shares Outstanding 487.1 m 18.1 m Options (CAD 0.35-1.10) Fully Diluted 505.2 m Share Price CAD 1.87 GBp 98.40 (21 September 2026) (21 September 2026) Market Capitalisation CAD 910.9 m GBP
Slide 15: Meridian Leadership
M E R I DI A N L E A DE R S HI P MERIDIAN MINING BOARD OF DIRECTORS BRUCE GILBERT SUSANNE DOUG MCLEOD CLARK SESSELMANN FORD Independent CEO & Independent Senior Independent Chair Executive Director Director Director +30 years +25 years +30 years +35 years experience experience experience experience
Slide 16: Development and Exploration Growth Creating Value
D E V E L OPM E NT A ND E XP L OR A T I O N G R OWT H C R E A T I NG V A L UE MERIDIAN MINING Cabaçal 2026 DFS NPV - USD 2.1 Bn & IRR - 108% Project Execution Advancing long-lead time orders Offsite infrastructure underway Advanced permitting Preliminary Licence approved Strong balance sheet Funded
Slide 17: Appendix
APPENDIX meridianmining.co MNO MNO MRRDF N2E0 17
Slide 18: Clean Industrial Renewable Energy
C L E A N I NDUS T R I A L R E NE WA B L E E NE R G Y MERIDIAN MINING REGIONAL HYDROELECTRIC 2 www.frontiersin.org/articles/10.3389/fenvs.2020.579031/full GENERATION1,2 Source: 1 www.quebecengenharia.com.br/complexo-juruena Jauru Cascade 235.9 MW (6 Facilities) Juba Cascade 139.4 MW (4 Facilities) O
Slide 19: Structured Purchase Agreement to Acquire a 100% Beneficial Interest
S T R UCT U R E D P UR CHA SE A G R E E M E NT T O A CQ UI R E A 1 0 0 % MERIDIAN B E NE FI CI A L I NT E R E S T 1 MINING Protects Meridian shareholders equity and provides Vendors an interest going forward Vendor Payment Payments Requirements Vendor Payment (Shares) Status (USD) 1 On signing 25,00
Slide 20: Santa Helena Central and Growth Targets
S A NT A H E L E NA C E NT R A L A ND G R OWT H T A R G E T S MERIDIAN MINING S A NT A H E L E NA NE A R - M I NE T A R G E T S B E L T S CA L E E XPL OR A T I ON OPEN Santa Helena Central 1.4km Meridian Mining drillhole New Area of Meridian Mining claims Exploration Focus Historic resource envelope
Slide 21: Mine Sections
C A B A ÇA L M I NE S E CT I ONS MERIDIAN MINING Notes: 1 See Press Release 22nd September 2026 meridianmining.co MNO MNO MRRDF N2E0 21
Slide 22: Mine Sections
C A B A ÇA L M I NE S E CT I ONS MERIDIAN MINING S E CT I ON A - A ’ S E CT I ON B - B ’ S E CT I ON C - C ’ S E CT I ON D - D ’ Notes: 1 See Press Release 22nd September 2026 meridianmining.co MNO MNO MRRDF N2E0 22
Slide 23: Mine Sections
C A B A ÇA L M I NE S E CT I ONS MERIDIAN MINING S E CT I ON E - E ’ S E CT I ON F - F ’ S E CT I ON G - G ’ S E CT I ON H - H ’ Notes: 1 See Press Release 22nd September 2026 meridianmining.co MNO MNO MRRDF N2E0 23
Slide 24: Mine Sections
C A B A ÇA L M I NE S E CT I ONS MERIDIAN MINING S E CT I ON I - I ’ S E CT I ON J - J ’ S E CT I ON K - K ’ S E CT I ON L - L ’ Notes: 1 See Press Release 22nd September 2026 meridianmining.co MNO MNO MRRDF N2E0 24
Slide 25: Mine Sections
C A B A ÇA L M I NE S E CT I ONS MERIDIAN MINING S E CT I ON M - M ’ S E CT I ON N - N ’ S E CT I ON O - O ’ S E CT I ON P - P ’ Notes: 1 See Press Release 22nd September 2026 meridianmining.co MNO MNO MRRDF N2E0 25
Slide 26: Mine Sections
C A B A ÇA L M I NE S E CT I ONS MERIDIAN MINING S E CT I ON Q - Q ’ S E CT I ON R - R ’ S E CT I ON S - S ’ S E CT I ON T - T ’ Notes: 1 See Press Release 22nd September 2026 meridianmining.co MNO MNO MRRDF N2E0 26
Slide 27: Mine Sections
C A B A ÇA L M I NE S E CT I ONS MERIDIAN MINING S E CT I ON U - U ’ S E CT I ON V - V ’ Notes: 1 See Press Release 22nd September 2026 meridianmining.co MNO MNO MRRDF N2E0 27
Slide 28: Meridian Mining plc contact details
Meridian Mining plc Gilbert Clark Phone: +44 (0) 203 930 3145 (GMT) Corporate Address: Chief Executive Officer Email: info@meridianmining.net.br 8th Floor 4 More London, Riverside, London, United Kingdom, SE1 2AU meridianmining.co MNO MNO MRRDF N2E0 28