IAMGOLD Corporation · TSX:IMG
IAMGOLD — Q3 2026 Earnings Presentation
22 slides from IAMGOLD's earnings presentation, Nov 6, 2026
Slide 1: Q3 2026 Earnings Results Conference Call
Q3 2026 EARNINGS RESULTS CONFERENCE CALL NOV 6, 2026
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 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: One of Canada’s largest open pit gold mines, a model for modern mining, with significant growth potential • Westwood: Quebec underground success story, generating positive cashflow with a revised technical approach to unde
Slide 5: Q3 Operating Highlights
Q3 OPERATING HIGHLIGHTS OPERATING RESULTS RESPONSIBILITY Q3 2026 Q3 2025 YTD 2026 2026 Guidance • Q3 TRIFR of 0.58, with YTD TRIFR of 0.57 Côté Gold (attr.) koz 64.4 74.6 184.0 270 – 310 • Zero significant environmental incidents reported in Q3 Westwood (100%) koz 28.5 22.7 97.1 110 – 130 PRODUCTION
Slide 6: Q3 Financial Highlights
Q3 FINANCIAL HIGHLIGHTS 6.6 M : $76 LIQUIDITY (as at September 30, 2026) sh Ca • Cash and equivalents² of $766.6 M and total liquidity of $1.61 B • Credit Facility fully repaid and undrawn, with $845.8 M available $1.61 B M 4 5 .8 • $321.0 M of cash held by Essakane at end of Q3, further reduced by
Slide 7: Financial Highlights
FINANCIAL HIGHLIGHTS Q3 FINANCIAL HIGHLIGHTS 2026 (In $ millions, unless otherwise stated) Q3 2026 Q3 2025 YTD 2026 Guidance CASH FLOW Revenues $856.5 $706.7 $2,743.5 • Mine-site free cash flow of $404.3 M | YTD: $1,297.8 M EBITDA1 $584.4 $338.4 $1,736.7 Adj. EBITDA1 $503.9 $359.5 $1,677.5 BUYBACK P
Slide 8: Operations
OPERATIONS
Slide 9: Côté Gold (70% Interest) Q3 Overview
2026 (100% basis, unless otherwise stated) Q3 2026 Q3 2025 YTD 2026 Guidance CÔTÉ GOLD (70% Interest ) Ore mined kt 3,797 3,841 10,422 Grade mined g/t 0.93 0.96 0.93 Q3 OVERVIEW Material mined – total kt 12,411 11,464 33,473 ~48,000 • Production (70%): 64,400 oz | YTD: 184,000 oz Ore milled kt 2,879
Slide 10: Côté Gold Q3 Costs
CÔTÉ GOLD (70% Interest ) Q3 COSTS • Cash costs1 (excluding royalties) of $1,243/oz, cash costs1 of $1,544/oz & AISC1 of $2,056/oz in Q3 • Cash costs expected to decline by ~$150/oz in 2027 following repurchase of 50% of FNV’s Gross Margin Royalty • Mining costs avg: $4.77/t, remained elevated on hi
Slide 11: Côté Expansion
CÔTÉ EXPANSION MINERAL RESERVE & RESOURCE ESTIMATE UPDATED MINE PLAN Tonnes Grade Ounces • Updated technical report and mine plan in Q4 2026 to outline longer (Resources effective Mar 31, 2026; Reserves effective Dec 31, (000’s) (g/t) (000’s) mine life and increased reserves at an increased capacity
Slide 12: Westwood Complex Q3 Overview
2026 Q3 2026 Q3 2025 YTD 2026 WESTWOOD COMPLEX (100% basis, unless otherwise stated) Guidance Ore mined – UG kt 99 90 309 Ore mined – OP kt 122 315 291 Q3 OVERVIEW Ore milled kt 309 250 899 ~1,200 • Production of 28,500 oz | YTD: 97,100 oz Head grade – UG g/t 8.00 6.52 8.76 • Mine-site free cash flo
Slide 13: Westwood Complex Mineral Reserve & Resource Estimate
WESTWOOD COMPLEX MINERAL RESERVE & RESOURCE ESTIMATE3 Tonnes Grade Ounces COSTS (as of Dec 31, 2025) (000’s) (g/t) (000’s) Proven & Probable (Westwood) 3,462 9.72 1,082 • Cash costs1 of $1,794/oz & AISC1 of $2,118/oz in Q3 Proven & Probable (Grand Duc) 1,896 1.10 67 • Underground mining costs were $
Slide 14: Essakane (85% Interest) Q3 Overview
2026 (100% basis, unless otherwise stated) Q3 2026 Q3 2025 YTD 2026 Guidance ESSAKANE (85% interest) Ore mined Mt 3.0 3.2 7.7 Material mined – total Mt 11.0 8.7 34.9 43 – 46 Q3 OVERVIEW Strip ratio w:o 2.7 1.7 3.5 3.0 – 4.0 • Production (attr .) of 94,000 oz | YTD: 277,500 oz Ore milled Mt 3.3 3.1 9
Slide 15: Essakane Mineral Reserve & Resource Estimate
ESSAKANE (85% interest) MINERAL RESERVE & RESOURCE ESTIMATE3 Category Tonnes Grade Ounces COSTS (as of Dec 31, 2025) (000’s) (g/t) (000’s) • Cash costs1 (excl. royalties) of $1,122/oz, Cash costs1 of $1,603/oz & Reserves AISC1 of $2,063/oz in Q3 Proven (stockpile) 22,178 0.64 457 • Open pit mining c
Slide 16: Exploration
EXPLORATION
Slide 17: 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%, Au December 20251 - exploration • Nelligan Mining Complex total combined Mineral Resources2,3: 4.3 Moz Indicated (0.99 g/t Au) and 7.5 Moz (1.08 g/t A
Slide 18: Nelligan Mining Complex: Extension and Monster Lake Highlights
NELLIGAN MINING COMPLEX NELLIGAN EXTENSION HIGHLIGHTS • NE-26-272: 77.0 m at 2.23 g/t, including 1.5 m at 13.9 g/t Au, 6.0 m at 7.14 g/t Au and 1.5 m at 9.37 g/t Au – in Zone 36 • NE-26-288A: 25.2 m at 4.02 g/t, and 29.2 m at 2.18 g/t, and 21.7 m at 2.48 g/t – in Zone 36; • and 22.0 m at 4.47 g/t –
Slide 19: Appendix
IAMGOLD | Ese.
Slide 20: Gold Mineral Reserves – 100% Basis
1,2,3 GOLD MINERAL RESERVES – 100% BASIS As of December 31, 2025 PROVEN PROBABLE P+P MINERAL 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
Slide 21: Gold Mineral Resources – 100% Basis
1,2,3,4,5 GOLD MINERAL RESOURCES – 100% BASIS 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) (g/t) (000’s) Côté
Slide 22: Graeme Jennings, VP, Business Development & Investor Relations
GRAEME JENNINGS, VP, BUSINESS DEVELOPMENT & INVESTOR RELATIONS 416 -388 -6883 TSX: IMG | NYSE: IAG | www.iamgold.com 22