IAMGOLD Expects 2026 Côté Gold Attributable Production at Lower End of 270,000–310,000 Ounce Guidance

• IAMGOLD expects 2026 Côté Gold attributable production at the lower end of its 270,000–310,000-ounce guidance range.
• Third-quarter attributable output totaled 64,400 ounces, bringing year-to-date production to 184,000 ounces.
• Fourth-quarter production is expected to rise on higher grades and increased processing rates.
• An updated mine plan due in the fourth quarter is expected to significantly expand reserves and mine life.
• Targeted plant improvements aim to support sustained throughput of approximately 40,000 metric tons daily, versus current nameplate capacity of 36,000.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. IAMGOLD Corporation published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001062993-26-005470), on October 21, 2026, and is solely responsible for the information contained therein.