Iamgold Corporation · TSX:IMG
Iamgold — Q3 2025 Earnings Presentation
24 slides from Iamgold's earnings presentation, Nov 5, 2025
Slide 1: Q3 2025 Conference Call
Q3 2025 CONFERENCE CALL November 5, 2025 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: 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 6: 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 7: 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 8: Operations
OPERATIONS
Slide 9: 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 10: 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 11: 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 • Côté: 7.3 Moz P&P1 incl. in 11.8 Moz M&I1 + 1.2 Moz Inf.1 • Current ore mining design rate of ~ 50,000 tpd based on 2:1 Gosselin: 4.4 Moz M&I1 + 3.0 Moz Inf.1 strip
Slide 12: 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 13: 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 14: 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 15: 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 16: Exploration
EXPLORATION
Slide 17: Nelligan Mining Complex
NELLIGAN MINING COMPLEX CREATING THE NEXT GREAT CANADIAN MINING CAMP • IAG announced agreements1 to acquire Northern Superior and Croteau Est 100% SUP, Au Orbec on October 20, 2025 - exploration Inf: 0.64 Moz @ 1.7 g/t • The Nelligan Mining Complex: • IAG: Nelligan, Monster Lake • Total Resources: 3
Slide 18: Iamgold
IAMGOLD | HE Sine.
Slide 19: 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 20: 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 21: Notes
NOTES 2 IAMGOLD | 32858 REDEFINED.
Slide 22: Notes
NOTES MINING. 22 IAMGOLD | FESR Sine.
Slide 23: Notes
NOTES MINING. 23 IAMGOLD | FESR Sine.
Slide 24: Graeme Jennings, VP, Investor Relations
GRAEME JENNINGS, VP, INVESTOR RELATIONS 416-388-6833 TSX: IMG | NYSE: IAG | www.iamgold.com 24