Iamgold Corporation · TSX:IMG
Iamgold — Investor Presentation (August 2025)
36 slides from Iamgold's investor presentation, August 2025
Slide 1: Corporate Presentation August 2025
.AUGUST 2025 CORPORATE PRESENTATION CORPORATE PRESENTATION TSX: IMG l NYSE: IAG August 2025 www.iamgold.com TSX: IMG l NYSE: IAG l www.iamgold.com
Slide 2: Cautionary Statement
.AUGUST 2025 CORPORATE PRESENTATION Cautionary Statement CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION All information included or incorporated by reference in this presentation, including any information as to the Company’s vision, strategy, future financial or operating performance an
Slide 3: Technical Information and Qualified Persons
.AUGUST 2025 CORPORATE PRESENTATION Technical Information and Qualified Persons CAUTIONARY NOTE TO U.S. INVESTORS REGARDING DISCLOSURE OF MINERAL RESERVE AND MINERAL RESOURCE ESTIMATES The mineral resource and reserve estimates contained in this presentation have been prepared in accordance with NI
Slide 4: Overview
.AUGUST Q2 2025 2025 RESULTS CORPORATE CONFERENCE PRESENTATION CALL Overview BUILDING A LEADING, MODERN CANADIAN-FOCUSED MULTI-ASSET PRODUCER • Côté Gold: Canada’s newest large-scale open pit gold mine, a model for modern mining, with significant growth and expansion potential • Westwood: Quebec und
Slide 5: Operations Overview
.AUGUST 2025 CORPORATE PRESENTATION Operations Overview WESTWOOD Quebec, Canada (100% IMG) CÔTÉ GOLD Start-up 2014 Ontario, Canada (70% IMG | 30% SMM1) Mine type Underground/Sat. OP Start-up 2024 Estimated mine life ~2032+ Mine type Open pit 125,000 – 140,000 oz Estimated mine life ~2041+ 2025 Guida
Slide 6: Responsibility & Accountability
.AUGUST 2025 CORPORATE PRESENTATION Responsibility & Accountability Since 2007 ENVIRONMENTAL • Released inaugural TCFD report in 2023 outlining roadmap and GHG emission reduction targets • Goal for net positive biodiversity at all operations • Adherence and reporting to the TSM Water Stewardship Pro
Slide 7: Q2 Highlights
.AUGUST 2025 CORPORATE PRESENTATION Q2 Highlights OPERATING RESULTS Q2 2025 Q2 2024 YTD 2025 YTD 2024 RESPONSIBILITY & ACCOUNTABILITY Côté Gold (attr.) koz 67 20 118 21 TRIFR (total recordable injuries/200,000 hours) of 0.41 Westwood (100%) koz 29 35 53 67 2024 Sustainability Report published on May
Slide 8: Guidance for 2025
.AUGUST 2025 CORPORATE PRESENTATION Guidance for 2025 + GOLD PRODUCTION CASH COST1 AISC1 (attributable ounces) ($/ounce sold) ($/ounce sold) YTD GUIDANCE Guidance Guidance YTD cost YTD cost 2025 2025 Previous Guidance Previous Guidance 118,000 250,000 – 280,000 Côté Gold (169,000 @ 100%) (360,000 –
Slide 9: Financial Results
.AUGUST 2025 CORPORATE PRESENTATION Financial Results M 23.8 LIQUIDITY (as at June 30, 2025) $2 h: Cash and equivalents1 of $223.8 million and total liquidity2 of $616.5 million Cas • $85.1 million of cash and equivalents held by Essakane 3 91 . 7 M • $56.4 million held by Côté Gold (on 70% basis) $
Slide 10: Financial Results
.AUGUST 2025 CORPORATE PRESENTATION Financial Results FINANCIAL HIGHLIGHTS Q2 2025 Q2 2024 YTD 2025 YTD 2024 (In $ millions, unless otherwise stated) Q2 FINANCIAL REVIEW Revenues $580.9 $385.3 $1,058.0 $724.2 Gold revenues of $580.9 million from sales of 182,000 ounces at realized average price of G
Slide 11: Côté Gold
.AUGUST 2025 CORPORATE PRESENTATION Côté Gold 11
Slide 12: Côté Gold (70% interest)
.AUGUST 2025 CORPORATE PRESENTATION Côté Gold (70% interest) (100% basis, unless otherwise stated) Ore mined kt Q2 2025 3,170 Q2 2024 2,109 YTD 2025 6,285 YTD 2024 4,053 Grade mined g/t 0.95 0.93 0.87 0.83 Q2 OPERATING HIGHLIGHTS & MILESTONES Material mined – total kt 11,808 10,514 22,563 18,111 Gol
Slide 13: Côté Gold processing plant ramp-up
.AUGUST 2025 CORPORATE PRESENTATION Côté Gold CÔTÉ GOLD PROCESSING PLANT RAMP 42,000 PROCESSING RAMP UP 36,000 Mill throughput 2.9M tonnes at head grade of 1.10 g/t and 93% recoveries 30,000 Daily throughput (tonnes) • 100% nameplate achieved for 30-day average in June • Annual plant throughput expe
Slide 14: Côté Gold: Growth
.AUGUST 2025 CORPORATE PRESENTATION Côté Gold: Growth CÔTÉ GOLD PROJECT – MINERAL RESERVES & RESOURCES (2024)1,2 Tonnes Grade Contained (100%) Attributable Contained Classification (millions) (g/t Au) (Moz Au) (Moz Au) INVESTIGATE OPTIMIZATIONS & POTENTIAL OPERATING EFFICIENCIES Côté Gold Deposit Cô
Slide 15: Côté Gold: Large-Scale and Long-Life Mine
.AUGUST 2025 CORPORATE PRESENTATION Côté Gold: Large-Scale and Long-Life Mine Top 12 Gold Mines in Canada by Production1 (koz) 28 20 18 17 5 14 10 7 10 6 10 9 690 38 Remaining life of mine (years)2 585 Mines acquired in last 10 years 3 495 5 M&I Mineral Resources 2 (inclusive of reserves) 438 420 6
Slide 16: Westwood Complex, Canada
.AUGUST 2025 CORPORATE PRESENTATION Westwood Complex, Canada 16
Slide 17: Westwood Complex
.AUGUST 2025 CORPORATE PRESENTATION Westwood Complex (100% basis, unless otherwise stated) Ore mined – underground kt Q2 2025 98 Q2 2024 89 YTD 2025 187 YTD 2024 172 Ore mined – other sources kt 315 128 507 248 OPERATIONAL REVIEW Ore milled kt 323 302 605 551 Gold production of 29,000 ounces in Q2 a
Slide 18: Westwood Complex
.AUGUST 2025 CORPORATE PRESENTATION Westwood Complex +4800 43-101 MINE PLAN1 (Dec 2023) (based on Mineral Reserves @ $1,500/oz Au) 400 1,500 $80 WEST CENTRAL EAST CORRIDOR CORRIDOR CORRIDOR OP '000 tonnes 300 $60 +4600 '000 tonnes 1,000 $ million 200 $40 500 100 $20 +4400 0 0 $0 2025 '26 '27 '28 '29
Slide 19: Essakane Gold Mine, Burkina Faso
.AUGUST 2025 CORPORATE PRESENTATION Essakane Gold Mine, Burkina Faso 19
Slide 20: Essakane
.AUGUST 2025 CORPORATE PRESENTATION Essakane (90% interest H1 YTD | 85% interest thereafter) (100% basis, unless otherwise stated) Ore mined kt Q2 2025 2,168 Q2 2024 2,195 YTD 2025 4,615 YTD 2024 5,653 Material mined – total kt 10,741 11,009 21,602 22,349 Q2 OPERATIONAL REVIEW Strip ratio w:o 4.0 4.
Slide 21: Essakane 43-101 Mine Plan
.AUGUST 2025 CORPORATE PRESENTATION Essakane 43-101 MINE PLAN1 (Dec 2024) MINING & STRIP RATIO CAPITAL EXPENDITURES 50 4.0 200 CURRENT MINE PLAN1 3.0 150 Strip ratio Mine life extension to 2028 $ million M tonnes 25 2.0 100 • Mining will occur from three remaining pit phases in the Essakane Main Zon
Slide 22: Exploration Projects
.AUGUST 2025 CORPORATE PRESENTATION Exploration Projects 22
Slide 23: Chibougamau: Emerging District
.AUGUST 2025 CORPORATE PRESENTATION Chibougamau: Emerging District A GROWING MINING DISTRICT IAMGOLD is among the largest property holders exploring in the Chibougamau-Chapais area Main projects in region: • Nelligan: Primary project and current focus of non-Côté Canadian exploration • Located 45 ki
Slide 24: Chibougamau: Emerging District
.AUGUST 2025 CORPORATE PRESENTATION Chibougamau: Emerging District Nelligan Longitudinal Section NELLIGAN (100% INTEREST) • Located 45 kilometres southwest of Chibougamau, Québec • Updated resource estimate1(on 100% basis): Cut-off Category Grade Tonnage Grade Contained Au (g/t Au) (Mt) (g/t Au) (ko
Slide 25: .AUGUST 2025 CORPORATE PRESENTATION
.AUGUST 2025 CORPORATE PRESENTATION 25
Slide 26: Appendix
.AUGUST 2025 CORPORATE PRESENTATION Appendix 26
Slide 27: Côté Primary and Secondary Crushing Circuits
.AUGUST 2025 CORPORATE PRESENTATION Côté Primary and Secondary Crushing Circuits Lime Silo Screening Building Fire Water Systems Coarse Ore Dome Fine Ore Bin Secondary Crusher Primary Crusher HPGR 27
Slide 28: Côté Processing Plant
.AUGUST 2025 CORPORATE PRESENTATION Côté Processing Plant Pre-leach O2 Storage & From Primary & Secondary Thickener Distribution Process Water Secondary Tank Leach Tanks(10) Crushing Cyclones 30 hrs Ball Mill Cyclones Cyanide Tailings Destruction SO2 Thickener Ball Mill Tailings Pump Verti-Mills (2)
Slide 29: Côté Growth
.AUGUST 2025 CORPORATE PRESENTATION Côté Growth VRIFY | Changing how mining communicates. GOSSELIN ZONE CÔTÉ ZONE 29
Slide 30: Longitudinal Section
.AUGUST 2025 CORPORATE PRESENTATION Longitudinal Section Gosselin Zone Côté Resource Gosselin Pit Resource Pit Hydrothermal Breccia Priority Exploration (HdBx) Target for Hydrothermal Breccia GOS23-136 240.0 m grading 1.53 g/t Au GOS23-139 Incl. 120.0 m grading 2.26 g/t Au Côté 406.0 m grading 0.72
Slide 31: Côté + Gosselin Deposits – Geological Settings
.AUGUST 2025 CORPORATE PRESENTATION Côté + Gosselin Deposits – Geological Settings Abitibi Belt: > 260 M Oz & Growing South Swayze Belt • 19+ Moz (& growing) • Historical - Numerous high-grade vein and shear zone hosted deposits Gold production within 175 km radius: • Timmins + KL + Matachewan 897,0
Slide 32: Exploration Potential Objectives
.AUGUST 2025 CORPORATE PRESENTATION ExplorationPotential Objectives for Côté type (intrusion related, breccia) disseminated mineralization and H-G Shear veins Extensive Property package of 596 km² JEROME MINE COTE DEPOSIT Jack Rabbit GOSSELIN DEPOSIT Clam Lake 32 32
Slide 33: 2023 – New Structural Corridor Theory
.AUGUST 2025 CORPORATE PRESENTATION 2023 – New Structural Corridor Theory New Jack Rabbit / Theory Gomak Gosselin • Possibility that the main NE Côté trending structure through the Chester intrusive complex is the main mineralization trend. Straighter than originally Old thought. • E-W trending stru
Slide 34: Gold Mineral Reserves – 100% Basis
.AUGUST 2025 CORPORATE PRESENTATION 1,2,3 Gold Mineral Reserves – 100% Basis As of December 31, 2024 PROVEN PROBABLE TOTAL RESERVES Tonnes Grade Ounces Tonnes Grade Ounces Tonnes Grade Ounces DEPOSIT Type* Location Ownership (000’s) (g/t) (000’s) (000’s) (g/t) (000’s) (000’s) (g/t) (000’s) Burkina E
Slide 35: Gold Mineral Resources – 100% Basis
.AUGUST 2025 CORPORATE PRESENTATION 1,2,3 Gold Mineral Resources – 100% Basis (Measured & Indicated Resources are inclusive of Proven & Probable Reserves) As of December 31, 2024 MEASURED INDICATED MEASURED + INDICATED INFERRED Tonnes Grade Ounces Tonnes Grade Ounces Tonnes Grade Ounces Tonnes Grade
Slide 36: Graeme Jennings, VP, Investor Relations
.AUGUST 2025 CORPORATE PRESENTATION Graeme Jennings, VP, Investor Relations 416-388-6883 TSX: IMG l NYSE: IAG l www.iamgold.com