Mayfair Gold Corp. · TSXV:MFG
Mayfair Gold — Investor Presentation (June 2026)
29 slides from Mayfair Gold's investor presentation, June 2026
Slide 1: Creating Optionality Through Disciplined Gold Development
Creating Optionality Through Disciplined Gold Development June 2026
Slide 2: Cautionary Note Regarding Forward Looking Statement
Cautionary Note Regarding Forward Looking Statement This presentation contains "forward looking information" for purposes of applicable securities laws ("forward-looking statements"). Forward-looking statements are neither historical facts nor assurances of future performance. Instead, they are base
Slide 3: Why Mayfair Gold?
Why Mayfair Gold? Unlocking the Value of Fenn-Gib – 4.3 Moz Indicated Gold Resource Strategic Path to Ideal Location to Build with Management: Production Exploration Upside Proven & Aligned ▪ Accelerated Provincial permitting ▪ Prolific Timmins gold district ▪ A management team with a track record o
Slide 4: Located in the Timmins Gold District
Located in the Timmins Gold District ▪ Timmins region has produced more than 100 Million ounces of gold historically ▪ Excellent access, infrastructure, labour pool and services 4 NYSE MAY FAIRAM: MINE GO LD | TSXV: TAG LI NE CANMFG BE PLA CED HERE MAY FAIRG OLD. CA
Slide 5: High Grade Starter Zone: A Unique Advantage
High Grade Starter Zone: A Unique Advantage The near surface high-grade zone backstops the economics of a small mine Robust early economics Mining and processing of higher-grade material at the start PFS Open Pit Phase I Pit A key to our accelerated permitting path Most peers do not have this option
Slide 6: Accelerated Path to Unlock Free Cash Flow
Accelerated Path to Unlock Free Cash Flow Strategic Path = Accelerated Big, But Slow Path Provincial Permitting (2-3 years) Permitting Federal Permitting (7-9 years) ‘One Project One Process’ framework to streamline mining No greenfield project approved since Impact Assessment Act project approval P
Slide 7: Strategic Path Shortens Development Timeline
Strategic Path Shortens Development Timeline Exploration Discovery Feasibility Permitting and Financing Construction/Ramp up Production Big, But Slow 8 years 3 years Strategic 2 to 3 years 2 years 7 NYSE MAY FAIRAM: MINE GO LD | TSXV: TAG LI NE CANMFG BE PLA CED HERE MAY FAIRG OLD. CA
Slide 8: 2026 Pre-Feasibility Study Highlights
2026 Pre-Feasibility Study1 Highlights PFS1 has 1Moz Reserve at US$3,100 gold. Leaves optionality on 3.3Moz Indicated Resource not mined in PFS $114M $1,707M 64,096 koz 1.29 g/t Gold US$1,292/Oz Base Case → LOM Avg Annual FCF2 Cumulative FCF2 LOM Average Annual LOM Avg Gold Grade LOM Average AISC2 G
Slide 9: 2026 PFS Study Summary Tables
2026 PFS1 Study Summary Tables Fenn-Gib 2026 PFS1 Summary General Units LOM Operating Metrics LOM Total/Avg. Y1-Y6 Gold Price US$ / oz Gold 3,100 Mine Life yr 14.3 F/X C$:US$1 1.35 Daily Throughput tpd 4,800 4,800 Strip Ratio w:o 6.0:1 7.7:1 Operating Costs per Ounce LOM Y1-Y6 Avg. Gold Grade g/t 1.
Slide 10: Grade and Production Profile
Grade and Production Profile • The Fenn-Gib PFS1 focuses on a high-grade core with average grade of 1.3 g/t Au over the 14.3 year projected mine life • First six years of steady operations expected to produce on average 71,336 oz/year with 1.47 g/t feed grade Fenn-Gib 2026 Production and Grade Profi
Slide 11: Free Cash Flow Profile
Free Cash Flow2 Profile Post-Tax Economics at $3,100 Gold 250 1,500 C$ 652M 24% 200 1,200 NPV (5%) IRR (%) 150 900 Cumulative After-Tax Cash Flow ($ M) 100 600 2.7 Years 1.4x After-Tax Cash Flow ($ M) Payback Period NPV/ Initial 50 300 Capex – – (50) Y-3 Y-2 Y-1 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9 Y10 Y11 Y1
Slide 12: Capex & Opex Breakdown
Capex & Opex Breakdown Initial Capex (C$ M) Initial Capex Cost Breakdown Mining $31.4 Mining Crushing $21.6 7% Contingency Crushing Process Plant $114.7 5% 15% On-Site Infrastructure $72.4 Other Infrastructure $15.6 Project Preliminaries $35.9 Project Indirects $30.7 Owner’s Owner’s Cost $61.7 Cost
Slide 13: Integrated Site Layout
Integrated Site Layout 13 NYSE MAY FAIRAM: MINE GO LD | TSXV: TAG LI NE CANMFG BE PLA CED HERE MAY FAIRG OLD. CA
Slide 14: Proposed Fenn-Gib Process Flow Sheet
Proposed Fenn-Gib Process Flow Sheet ▪ Conventional metallurgical flowsheet ▪ Similar to Alamos Gold's Young Davidson mine ▪ Metallurgical recovery range of 80 - 90% Au for a head grade of 0.2 - 1.5 g/t Sou rce : Ausenco, 2 025. 14 UNLOCKING NYSE MAY FAIRAM: THE GO LD VALUE MINE TAG NE OF | TSXV: LI
Slide 15: Predictable Schedule Project to Production
Predictable Schedule Project designs and impacts stay within the Ontario to Production environmental approval threshold ▪ Production Profile < 5,000 tonnes per day plant and ore mined ▪ No significant impacts to areas of federal jurisdiction DEFINING THE SMALL-SCALE PROJECT TO DERISK Adheres to a ro
Slide 16: Perfectly Located Land Position
Perfectly Located Land Position Mayfair is located on one of the most prolific structures in the region and surrounded by past producers ▪ The Abitibi Greenstone belt has produced over 190 million ounces and has a gold endowment of over 300 Moz ▪ The two main controlling features are the Destor- Por
Slide 17: Exploration Potential
Exploration Potential ▪ The Fenn-Gib deposit is proof of substantial exploration potential in our land package ▪ The South Block is largely unexplored and sits along the Porcupine-Destor Fault ▪ New Plato ground is very attractive and perfectly situated ▪ North Block is open at depth and along strik
Slide 18: Re-Rating Opportunity: Catch Up Trade
Re-Rating Opportunity: Catch Up Trade ▪ 2025 = untold story: transition year as management refined the Fenn-Gib development strategy ▪ 2026 = visibility and awareness of robust economics and strategic path related to Mayfair investment opportunity GDXJ Mayfair Comparables 4 3.5 Comps 3 +257% 2.5 2 G
Slide 19: Comps and Rerating Potential
Comps and Rerating Potential Current Trading Value vs. Net Asset Value (C$ mm) NPV* Sensitivity to Gold Price $3,000 $22.65/share ** $ per share value ** $16.95 Spot Gold $2,500 $14.92 $16.14/share ** $12.89 $2,000 $10.87 Base $8.85 $11.22/share ** $1,500 Case $6.81 $5.18 $1,000 $5.33/share ** $788
Slide 20: The Team – 34% Insider Ownership
The Team – 34% Insider Ownership MANAGEMENT TEAM Drew Anwyll, P.Eng. Kevin Annett, CPA Zayem Lakhani, CFA JF Métail Adree DeLazzer, P. Geo. Ayaz Kassam, P.Eng. VP CORPORATE VP, MINERAL RESOURCE CHIEF EXECUTIVE OFFICER CHIEF FINANCIAL OFFICER VP, EXPLORATION DIRECTOR OF PROJECTS DEVELOPMENT & STRATEG
Slide 21: The Team – 34% Insider Ownership
The Team – 34% Insider Ownership BOARD OF DIRECTORS & STRATEGIC ADVISOR Darren McLean Sean Pi, CFA Carson Block Zach Allwright Christine Hsieh Pierre Beaudoin CHAIR OF THE BOARD DIRECTOR DIRECTOR DIRECTOR DIRECTOR STRATEGIC ADVISOR ▪ Director of Research ▪ Partner at Heeney Capital ▪ Founder and Chi
Slide 22: Capitalization Structure
Capitalization Structure MANAGEMENT & INSIDERS 34% INSTITUTIONAL Issued and Outstanding on List 67.1 M 18% Options & Warrants 2.6 M HNW Fully Diluted Shares 69.7 M RETAIL Share Price (as at May 29, 2026) $4.24 Market Capitalization (C$ M) $284 20% C$32M Cash Position Combined CAD/US Volume TSXV Clos
Slide 23: Mayfair Checks ALL the Boxes
Mayfair Checks ALL the Boxes Great Mines are Built, Not found Mayfair on the path to developing a Great Mine Geology Jurisdiction Management Market Conditions and Board Drives revenues Drives execution Drives execution Drives cost and and margin timeline and probability availability of capit
Slide 24: Appendix
ew m1 MAYFAIR GOLD TSX-V : MFG | NYSE AM: MINE | mayfairgold.ca 4
Slide 25: Fenn-Gib Gold Project: 4.3 Million Ounce Indicated Gold Resource
Fenn-Gib Gold Project: 4.3 Million Ounce Indicated Gold Resource Indicated Cutoff (Au g/t) Tonnes Au (g/t) Au(ounces) 300,000+ 97% >0.7 64,563,000 1.26 2,615,000 Metres drilled Indicated resource category >0.6 82,125,000 1.13 2,984,000 >0.5 105,644,000 1.00 3,397,000 Indicated Gold Resource Estimate
Slide 26: Metallurgical Testwork: De-Risked Plant Design
Metallurgical Testwork: Quality Metallurgical Testing De-Risked Plant Design ▪ 4 Phases of met testing completed since 2010 to define: ▪ mineral characterization and rock properties Quality Metallurgical Testing → Defined Plant Flow Sheet ▪ metallurgical performance (for processing option evaluation
Slide 27: 2025 Fenn-Gib Metallurgical Test Results
2025 Fenn-Gib Metallurgical Test Results 2025 Metallurgical Testwork Program Targets to support the 2025 PFS: • Ball Mill grind size of 80% passing 106 µm • 23 to 29% concentrate mass pull • Fine grinding size of 80% passing 13 µm • 30-hr cyanidation period (rate kinetic samples taken at 6, 12, 18,
Slide 28: Thank You
THANK YOU Drew Anwyll, P.Eng CEO Drew@mayfairgold.ca Zayem Lakhani VP Capital Markets Zayem@mayfairgold.ca
Slide 29: Endnotes
Endnotes 1. References in this presentation to PFS or Pre-Feasibility Study refers to the company’s NI-43-101 Technical Report and Pre-Feasibility Study for Fenn-Gib dated January 14, 2026 with an effective date of December 19, 2025. 2. This presentation and certain documents incorporated by referen