Iamgold Corporation · TSX:IMG
Iamgold — Investor Presentation (February 2026)
36 slides from Iamgold's investor presentation, February 2026
Slide 1: Corporate Presentation February 2026
CORPORATE PRESENTATION February 2026 TSX: IMG | NYSE: IAG | www.iamgold.com
Slide 2: Cautionary Statement
CAUTIONARY STATEMENT All information included or incorporated by reference in this news release, 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 Disclosure regarding the Company’s mineral properties, including with respect to mineral reserve and mineral resource estimates, included in this presentation, was prepared
Slide 4: Overview
OVERVIEW 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 approach to u
Slide 5: Operations Overview
OPERATIONS OVERVIEW Operating Advanced Exploration CÔTÉ GOLD1 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%) 270,000 – 310,000 oz (100%) 390,
Slide 6: Accountability
ACCOUNTABILITY ENVIRONMENTAL • Key focus in 2025 on water and biodiversity • Established corporate biodiversity roadmap in 2024, initiated development of site-specific regional biodiversity strategies in 2025 • Westwood pilot water recycling projects completed, implementation planned for 2026 to red
Slide 7: 2025 Operating Highlights
2025 OPERATING HIGHLIGHTS OPERATING RESULTS PRODUCTION Q4 2025 Q4 2024 2025 2024 • Gold production (attr.1) of 765,900 oz | Q4: 242,400 oz – within guidance Côté Gold (attr. 1) koz 87.2 62.4 279.9 124.0 • Côté production (attr. 1) of 279,900 oz (399,800 oz @ 100%) Westwood koz 37.9 34.6 113.9 133.7
Slide 8: 2026 Guidance
2026 GUIDANCE + GOLD PRODUCTION 2026 CASH COST1 2026 AISC1 (attributable ounces) ($/ounce sold) ($/ounce sold ) GUIDANCE 2025 Cash Cost Guidance 2025 Cash Costs 2025 AISC AISC Guidance 2026 Cash Costs (excl. royalties) 279,900 270,000 – 310,000 Côté Gold (399,800 @ 100%) (390,000 – 440,000 @ 100%) $
Slide 9: Q4 Financial Highlights
Q4 FINANCIAL HIGHLIGHTS h: $421.9 M s CASH FLOW & BALANCE SHEET Ca • Record mine-site free cash flow of $626.6 M in Q4 2025 $868.6M M • De-levering ongoing – net debt decreased by $468.8 B in 2025 4 5. 7 TOTAL LIQUIDITY BUYBACK PROGRAM Av $4 • NCIB in place for purchase of up to 10% of shares outsta
Slide 10: Financial Highlights
FINANCIAL HIGHLIGHTS FINANCIAL HIGHLIGHTS 2025 CASH FLOW RECONCILIATION (In $ millions, unless otherwise stated) Q4 2025 Q4 2024 2025 2024 Cash @ Dec 31 2024 $347.5 Revenues $1,088.1 $469.9 $2,852.8 $1,633.0 Gross profit $593.6 $130.9 $1,206.2 $549.9 Operating activities (before WC) +$1,546.9 EBITDA
Slide 11: Côté Gold Mine
CÔTÉ GOLD MINE
Slide 12: Côté Gold (70% Interest)
(100% basis, unless otherwise stated) Q4 2025 Q4 2024 2025 2024 CÔTÉ GOLD (70% Interest ) Ore mined kt 4,514 3,637 14,640 10,849 Grade mined g/t 1.04 1.07 0.94 0.97 Q4 OVERVIEW Material mined – total kt 11,081 10,847 45,108 39,336 • Production (70%): 87,200 oz | 279,900 oz in 2025 Ore milled kt 2,87
Slide 13: Côté Gold (70% Interest) Outlook
CÔTÉ GOLD (70% Interest ) OUTLOOK COSTS Attr . 2025 2026 Guidance • Cash costs1 (excluding royalties) of $949/oz, cash costs1 of $1,265/oz & (100%) 399,800 390,000 – 440,000 AISC1 of $1,688/oz in Q4 Production oz (70%) 279,900 270,000 – 310,000 • Cost profile improvement expected following installat
Slide 14: Côté Gold Expansion
CÔTÉ GOLD EXPANSION PLANT EXPANSION MINERAL RESERVE & RESOURCE ESTIMATE • Pursuing plan to expand Côté plant from 36,000 tpd to 50,000+ tpd Tonnes Grade Ounces (as of Dec 31, 2025) (000’s) (g/t) (000’s) • Current ore mining design rate of ~ 50,000 tpd based on 2:1 strip ratio Proven & Probable: Côté
Slide 15: Côté Gold: Large-Scale and Long-Life Mine
C Ô T É 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
Slide 16: Westwood
__ WESTWOOD
Slide 17: Westwood Complex
WESTWOOD COMPLEX (100% basis, unless otherwise stated) Q4 2025 Q4 2024 2025 2024 Ore mined – underground kt 105 98 382 354 Ore mined – other sources kt 174 283 996 662 Q4 OVERVIEW Ore milled kt 299 267 1,154 1,107 • Production (attr .) of 37,900 oz | 113,900 oz in 2025 Head grade – underground g/t 9
Slide 18: Westwood Complex
WESTWOOD COMPLEX COSTS OUTLOOK • Cash costs1 of $1,288/oz & AISC1 of $1,719/oz in Q4 2025 2026 Guidance • Underground mining costs were $265/t mined, the lowest level Production oz 113,900 110,000 – 130,000 for the year due to the higher volumes mined Cash costs1 $/oz $1,530 $1,500 – $1,650 • Increa
Slide 19: Westwood Complex
WESTWOOD COMPLEX +4800 MINERAL RESERVE & RESOURCE ESTIMATE1 WEST CENTRAL EAST • P&P Mineral Reserve estimate (underground) of 1.1 million CORRIDOR CORRIDOR CORRIDOR ounces at 9.72 g/t , increasing +13% from YE2024 after depletion +4600 • Mineral Resource estimate of 2.4 million ounces , incl. Grand
Slide 20: Essakane
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Slide 21: Essakane (90% interest prior to Q2 2025; 85% thereafter)
(100% basis, unless otherwise stated) Q4 2025 Q4 2024 2025 2024 ESSAKANE (90% interest prior to Q2 2025; 85% thereafter) Ore mined Kt 4,123 2,170 11,910 9,714 Material mined – total kt 9,392 12,374 39,648 46,924 Q4 OVERVIEW Strip ratio w:o 1.3 4.7 2.3 3.8 • Production (attr .) of 117,300 oz | 372,10
Slide 22: Essakane Outlook
ESSAKANE (90% interest prior to Q2 2025; 85% thereafter) OUTLOOK COSTS • Cash costs1 (excl. royalties) of $1,011/oz, Cash costs1 of $1,471/oz & 2025 2026 Guidance AISC1 of $1,674/oz in Q4 Production (attr .) oz 372,100 340,000 – 380,000 • Improvement in per ounce costs in Q4 on higher sale volumes C
Slide 23: Essakane Mining & Strip Ratio
43-101 MINE PLAN1 (Dec 2024) ESSAKANE MINING & STRIP RATIO CAPITAL EXPENDITURES 50 4.0 200 CURRENT MINE PLAN1 3.0 150 Strip ratio • Current mine plan outlines a mine life to 2028 $ million M tonnes 25 2.0 100 1.0 50 • Mining from three remaining pit phases in the Essakane Main Zone ("EMZ") pit, and
Slide 24: Exploration
EXPLORATION
Slide 25: 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 • The Nelligan Mining Complex: • IAG: Nelligan, Monster Lake • Total Resources: 3.8 Moz Ind. + 5.1 Moz Inf. IAMGOL
Slide 26: 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 27: Nelligan Mining Complex: Philibert
NELLIGAN MINING COMPLEX Philibert Aerial View of Mineralization PHILIBERT1 (100%)4 • 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 Inferred 0.35 48.5 1.10 1,708.8 • Mineralized stri
Slide 28: Appendix
IAMGOLD | Ese.
Slide 29: 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 29
Slide 30: 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 31: Côté Growth
CÔTÉ GROWTH VRIFY | Changing how mining communicates. GOSSELIN ZONE CÔTÉ ZONE 31
Slide 32: 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 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 – 100% Basis
1,2,3 GOLD MINERAL RESERVES – 100% BASIS As of December 31, 2025 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) Côté Gold3 OP Canada 70% 116,055 1.05 3,902 1
Slide 35: Gold Mineral Resources – 100% Basis
1,2,3 GOLD MINERAL RESOURCES – 100% BASIS As of December 31, 2025 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