Iamgold Corporation · TSX:IMG
Iamgold — Investor Presentation (January 2026)
36 slides from Iamgold's investor presentation, January 2026
Slide 1: Corporate Presentation
CORPORATE PRESENTATION January 2026 TSX: IMG | NYSE: IAG | www.iamgold.com
Slide 2: Cautionary Statement
CAUTIONARY STATEMENT 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 and other statements that express management’s expectations or estimates of future performance or
Slide 3: Cautionary Statement
CAUTIONARY STATEMENT 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 National Instrument 43-101 – Standards of Disclosure for Miner
Slide 4: Overview
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 potential • Westwood: Quebec underground success story, generating positive cashflow with a revised technical appr
Slide 5: Operations Overview
OPERATIONS OVERVIEW Operating Advanced Exploration CÔTÉ GOLD Ontario, Canada (70% IMG | 30% SMM1) NELLIGAN MINING COMPLEX5 Start-up 2024 Quebec, Canada (100% IMG) Mine type Open pit Status Pre-production Estimated mine life ~2041+ Deposit type Open pit/Sat. UG (70%) 250,000 – 280,000 oz (100%) 360,0
Slide 6: Accountability
ACCOUNTABILITY 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 Protocol GOVERNANCE & DIVERSITY • Board diversity with women repres
Slide 7: Q3 Operating Highlights
Q3 OPERATING HIGHLIGHTS OPERATING RESULTS RESPONSIBILITY & ACCOUNTABILITY Q3 2025 Q3 2024 YTD 2025 YTD 2024 • TRIFR (total recordable injuries/200,000 hours) of 0.56 Côté Gold (attr.1) koz 75 41 193 62 Westwood koz 23 32 76 99 PRODUCTION Essakane (attr.1) koz 92 100 255 329 1 • Gold production (attr
Slide 8: Q3 Financial Highlights
Q3 FINANCIAL HIGHLIGHTS M 314.3 : CASH FLOW & BALANCE SHEET sh Ca • Mine-site free cash flow of $292.5 M in Q3 2025 • De-levering ongoing – up to Nov 2025, company has repaid ~ $270 M $707.2M .9 M on the second lien term loan ($130 M remaining) TOTAL LIQUIDITY 391 BUYBACK PROGRAM :$ Av • Share buyba
Slide 9: Q3 Financial Highlights
Q3 FINANCIAL HIGHLIGHTS FINANCIAL HIGHLIGHTS YTD 2025 CASH FLOW RECONCILIATION (In $ millions, unless otherwise stated) Q3 2025 Q3 2024 YTD 2025 YTD 2024 Cash (& equiv.) @ Dec 31 2024 $347.5 Revenues $706.7 $438.9 $1,764.7 $1,163.1 Gross profit $272.6 $162.6 $612.6 $419.0 Operating activities (befor
Slide 10: Côté Gold Mine
CÔTÉ GOLD MINE
Slide 11: Côté Gold
Q3 2025 Q3 2024 YTD 2025 YTD 2024 CÔTÉ GOLD (100% basis, unless otherwise stated) Ore mined kt 3,841 3,159 10,126 7,212 Grade mined g/t 0.96 1.02 0.90 0.91 Q3 OVERVIEW Material mined – total kt 11,464 10,378 34,027 28,489 • Production (70%): 75,000 oz | 193,000 oz YTD Strip ratio w:o 2.0 2.3 2.4 3.0
Slide 12: Côté Gold Costs Outlook
CÔTÉ GOLD COSTS OUTLOOK • Cash costs1 of $1,320/oz & AISC1 of $1,594/oz in Q3 YTD Guidance • Cash costs expected to be above top end of guidance due to higher 100% 275,000 360,000 – 400,000 Production (attr.) oz royalties and aggregate crusher costs; AISC to be within guidance 70% 193,000 250,000 –
Slide 13: Côté Gold Expansion
CÔTÉ GOLD EXPANSION PLANT EXPANSION TARGETING 20+ MILLION OUNCES • Pursuing plan to expand Côté plant from 36,000 tpd to 50,000+ tpd P&P1 incl. in: M&I1 Inf.1 • Current ore mining design rate of ~ 50,000 tpd based on 2:1 Côté: 7.3 Moz 1.00 g/t 11.8 Moz 0.84 g/t 1.2 Moz 0.62 g/t strip ratio • New tec
Slide 14: Côté Gold: Large-Scale and Long-Life Mine
CÔTÉ GOLD: LARGE-SCALE AND LONG-LIFE MINE Remaining life of mine (years)2 Mines acquired in last 10 years TOP 12 GOLD MINES IN CANADA BY PRODUCTION1 M&I Mineral Resources 2 (inclusive of reserves) (koz) 28 20 18 17 5 14 10 7 10 6 10 9 690 38 585 3 495 5 438 420 6 400 365 300 286 280 272 17 240 12 9
Slide 15: Westwood
_. WESTWOOD oe
Slide 16: Westwood Complex
WESTWOOD COMPLEX (100% basis, unless otherwise stated) Q3 2025 Q3 2024 YTD 2025 YTD 2024 Ore mined – underground kt 90 84 277 256 Q3 OVERVIEW Ore mined – other sources kt 315 131 822 379 Ore milled kt 250 289 855 840 • Production (attr.) of 23,000 oz | 76,000 oz YTD Head grade – underground g/t 6.52
Slide 17: Westwood Complex Costs Outlook
WESTWOOD COMPLEX COSTS OUTLOOK • Cash costs1 of $1,924/oz & AISC1 of $2,793/oz in Q3 YTD Guidance • Mining costs increased as mine sequences through lower Production oz 76,000 125,000 – 140,000 grade areas with fewer tonnes hoisted Cash costs1 $/oz $1,648 $1,275 – $1,375 • Increased maintenance ac
Slide 18: Westwood Complex Mine Plan
WESTWOOD COMPLEX +4800 43-101 MINE PLAN1 (Dec 2023) (based on Mineral Reserves @ $1,500/oz Au) WEST CENTRAL EAST CORRIDOR CORRIDOR CORRIDOR 400 1,500 $80 +4600 OP '000 tonnes 300 $60 '000 tonnes 1,000 $ million 200 $40 500 100 $20 +4400 0 0 $0 2025 '26 '27 '28 '29 '30 '31 '32 2025 '26 '27 '28 '29 '3
Slide 19: Essakane
ESSAKANE
Slide 20: Essakane
ESSAKANE (90% interest prior to Q2 2025; 85% thereafter) (100% basis, unless otherwise stated) Q3 2025 Q3 2024 YTD 2025 YTD 2024 Ore mined kt 3,172 1,891 7,787 7,544 Q3 OVERVIEW Material mined – total kt 8,654 12,201 30,256 34,550 Strip ratio w:o 1.7 5.5 2.9 3.6 • Production (attr.) of 92,000 oz | 2
Slide 21: Essakane Costs Outlook
ESSAKANE (90% interest prior to Q2 2025; 85% thereafter) COSTS OUTLOOK • Cash costs1 of $1,737/oz & AISC1 of $1,914/oz in Q3 YTD Guidance • Higher proportion of mining costs being expensed Production (attr.) oz 255,000 360,000 – 400,000 • Increased maintenance activities Cash costs1 $/oz $1,711 $1,6
Slide 22: Essakane Mine Plan
43-101 MINE PLAN1 (Dec 2024) ESSAKANE 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 1.0 50 Main Zone ("EMZ") pit, and the Lao an
Slide 23: Exploration
EXPLORATION
Slide 24: Nelligan Mining Complex
NELLIGAN MINING COMPLEX CREATING THE NEXT GREAT CANADIAN MINING CAMP • IAG completed acquisitions of Northern Superior and Orbec in Croteau Est 100% SUP, Au December 20251 - exploration Inf: 0.64 Moz @ 1.7 g/t • The Nelligan Mining Complex: • IAG: Nelligan, Monster Lake • Total Resources: 3.21 Moz I
Slide 25: Nelligan Mining Complex
NELLIGAN MINING COMPLEX 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) (koz Au) Indicated 0.35 102.8 0.95 3,125 Infer
Slide 26: Nelligan Mining Complex
NELLIGAN MINING COMPLEX Philibert Aerial View of Mineralization PHILIBERT1 (75%) w/ option to acquire remaining 25% for C$3.5M • Northern Superior resource estimate2(on 100% basis): Cut-off Category Grade Tonnage Grade Contained Au (g/t Au) (Mt) (g/t Au) (koz Au) Indicated 0.35 7.9 1.10 278.9 Inferr
Slide 27: Appendix
IAMGOLD | Ese.
Slide 28: Côté Primary and Secondary Crushing Circuits
CÔTÉ PRIMARY AND SECONDARY CRUSHING CIRCUITS Lime Silo Screening Building Fire Water Systems Coarse Ore Dome Fine Ore Bin Secondary Crusher Primary Crusher HPGR 28
Slide 29: Côté Processing Plant
CÔTÉ PROCESSING PLANT Pre-leachO2 Storage & From Primary & Secondary Thickener Distribution Process Water Secondary Tank Leach Tanks(10) Crushing Cyclones 30 hrs Ball Mill Cyclones Cyanide Tailings Destruction Thickener SO2 Ball Mill Tailings Pump Verti-Mills (2) CIP Tanks (8) Refinery ADR Cyanide M
Slide 30: Côté Growth
CÔTÉ GROWTH VRIFY | Changing how mining communicates. GOSSELIN ZONE CÔTÉ ZONE 30
Slide 31: Gosselin Longitudinal Section
GOSSELIN LONGITUDINAL SECTION Gosselin Zone Côté Resource Gosselin Pit Resource Pit Côté Hydrothermal Hydrothermal Breccia Breccia (HdBx) (HdBx) Priority exploration 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 406.0 m grading 0.72
Slide 32: Exploration Objectives
EXPLORATION OBJECTIVES Potential 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
2023 – NEW STRUCTURAL CORRIDOR THEORY New Theory Jack Rabbit / Gomak Gosselin • Possibility that the main NE trending structure through Côté the Chester intrusive complex is the main mineralization trend. Straighter than originally Old thought. • E-W trending structures crossing the NE structure pro
Slide 34: Gold Mineral Reserves
GOLD MINERAL RESERVES1,2,3 – 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 Essakane4,6 OP Faso 85% 18,876 0.65 39
Slide 35: Gold Mineral Resources
GOLD MINERAL RESOURCES1,2,3 – 100% BASIS As of December 31, 2024 MEASURED INDICATED MEASURED + INDICATED INFERRED Location Ownership Tonnes Grade Ounces Tonnes Grade Ounces Tonnes Grade Ounces Tonnes Grade Ounces DEPOSIT Type* (000’s) (g/t) (000’s) (000’s) (g/t) (000’s) (000’s) (g/t) (000’s) (000’s)
Slide 36: Graeme Jennings, VP, Investor Relations
GRAEME JENNINGS, VP, INVESTOR RELATIONS 416-388-6833 TSX: IMG | NYSE: IAG | www.iamgold.com 36