$IAG · IAMGOLD CORP

IAMGOLD filed a 6-K providing a Q3 2026 operational update for the Côté Gold Mine ahead of an October 22 analyst tour. Attributable production was 64,400 ounces (92,000 oz on 100% basis), bringing YTD to 184,000 attributable ounces. The company achieved record quarterly mining of 12.4 million tonnes and record September mill throughput of 37,100 tpd, exceeding nameplate capacity. Full-year 2026 attributable production is now expected at the lower end of the 270,000–310,000 ounce guidance range.

Extended-hours trading shows IAG at $17.91, up 0.51% from the regular close of $17.82, suggesting a mildly positive initial reaction to the operational update and record throughput metrics despite the lower-end guidance.

Côté Gold is IAMGOLD's flagship asset and among Canada's largest gold mines; the Q4 mine plan update with Gosselin inclusion could materially expand reserves and life-of-mine.

Côté Gold is among Canada's largest gold mines, operated in a 70/30 JV with Sumitomo Metal Mining. The transition to owner-only crushing and debottlenecking toward 40,000 tpd mirrors broader industry efforts to optimize large-scale open-pit operations post-ramp-up.

Q3 recovery rate dropped to 90% (vs. 93% in prior quarters) due to Vertimill downtime; a third Vertimill is planned for early 2027 but until then the operation faces single-point-of-failure risk on grinding. Guidance narrowed to the lower end signals potential production shortfall vs. the midpoint.