Production (000 oz)

	Actual 2025	Full Year Guidance 2026
Côté Gold (70%)	279.9	270 – 310
Westwood (100%)	113.9	110 – 130
Essakane – (90% H1 2025 | 85% - H2 2025 and thereafter)	372	340 – 380
Total attributable production (000s oz)	765.9	720 – 820

Total attributable production for IAMGOLD in 2026 is expected to be in the range of 720,000 to 820,000 ounces, as operations at Côté Gold focus on sustainable operations at nameplate operating rates ahead of the technical report outlining the expansion plans which is expected to be announced in the fourth quarter 2026. For further details, refer to the “Operations” section of each mine below.
The attributable guidance for Essakane is estimated according to IAMGOLD’s 85% ownership interest. See “Operations – Essakane, Burkina Faso” for more details.

Costs

	Actual 2025	Full Year Guidance 2026
Côté Gold
Cash costs – excluding royalties ($/oz sold)	$1,020	$900 – $1,050
Cash costs – including royalties ($/oz sold)	$1,268	$1,200 – $1,350
AISC ($/oz sold)	$1,636	$1,775 – $1,925
Westwood
Cash costs ($/oz sold)	$1,530	$1,500 – $1,650
AISC ($/oz sold)	$2,117	$1,950 – $2,100
Essakane
Cash costs – excluding royalties ($/oz sold)	$1,300	$1,150 – $1,300
Cash costs – including royalties ($/oz sold)	$1,636	$1,600 – $1,750
AISC ($/oz sold)	$1,888	$2,000 – $2,150
Consolidated
Cost of sales1 ($/oz sold)	$1,489	$1,425 – $1,575
Cash costs1,2 – excluding royalties ($/oz sold)	$1,230	$1,100 – $1,250
Cash costs1,2 – including royalties ($/oz sold)	$1,484	$1,425 – $1,575
AISC1,2 ($/oz sold)	$1,900	$2,000 – $2,150

1. Consists of Côté Gold and Westwood on an attributable basis of 70% and 100%, respectively, and an attributable basis of 90% at Essakane for the first half of 2025 and 85% thereafter.
2. This is a non-GAAP financial measure. See “Non-GAAP Financial Measures”.

Capital Expenditures

	Actual 20251			Full Year Guidance 20262
($ millions)	Sustaining	Expansion	Total	Sustaining	Expansion	Total
Côté Gold (IMG share)	$103.8	$23.7	$127.5	$160	$85	$245
Westwood	$63.9	1.5	$65.4	$55	$30	$85
Essakane	$106.9	$7.4	$114.3	$165	$5	$170
Corporate	$274.6 $0.1	$32.6 —	$307.2 $0.1	$380 —	$120 —	$500 —
Total3	$274.7	$32.6	$307.3	$380	$120	$500

1. 100% basis, for Westwood and Essakane, 70% for Côté Gold, all on an incurred basis.
2. Capital expenditures guidance (±5%).
3. Includes $7 million of capitalized exploration and evaluation expenditures also included in the Exploration Outlook guidance table.

Exploration Outlook

	Actual 2025			Full Year Guidance 2026
($ millions)	Capitalized	Expensed	Total	Capitalized	Expensed	Total
Exploration projects – greenfield	$0.2	$22.0	$22.2	$11	$34	$45
Exploration projects – brownfield	$10.8	$2.1	$12.9	$7	$2	$9
Total	$11.0	$24.1	$35.1	$18	$36	$54

Income Taxes Paid and Depreciation Outlook

($ millions)	Actual 2025	Full Year Guidance 2026
Depreciation expense	$420.9	$480 (±5%)
Income taxes paid	$171.5	$205 – $215