IAMGOLD Drilling Extends Mineralization at Nelligan, Intersects High-Grade Gold at Monster Lake and Advances Philibert Within Its Nelligan Mining Complex
Key Highlights
- ➤Monster Lake drilling hits 7.3 metres at 49.6 g/t gold, including 1.0 metre at 155.6 g/t
- ➤Nelligan drilling extends mineralization below 600 metres vertical depth
- ➤Nelligan 2026 drilling program expands from 18,000 to 30,000 metres
- ➤Philibert drilling confirms zone continuity and grade, supporting upcoming Mineral Resource estimate
- ➤Nelligan Mineral Resources total 3.7 million indicated and 4.6 million inferred gold ounces
Expert Statements
Renaud Adams, President and Chief Executive Officer of IAMGOLD
“I congratulate our exploration team on an outstanding campaign across the Nelligan Mining Complex. Drilling continues to extend the mineralized system at depth at Nelligan, while also delivering compelling high-grade intersections at Monster Lake and strong results from our inaugural program at Philibert”
Renaud Adams, President and Chief Executive Officer of IAMGOLD
“Through the consolidation of Nelligan, Monster Lake and Philibert, we have created one of Canada's largest pre-production gold camps, and these results reinforce the scale, quality and growth potential of the Complex. We look forward to providing our next exploration update in the first half of 2027, followed by a Preliminary Economic Assessment that will outline the potential for the Complex to become one of IAMGOLD's premier assets. Wholly owned by IAMGOLD and situated in a stable, mining-friendly jurisdiction, the Complex offers an attractive avenue for organic growth and further strengthens our pipeline as a leading intermediate gold producer.”
Marie-France Bugnon, Vice President, Exploration for IAMGOLD
“Results from our ongoing exploration programs at the Nelligan Mining Complex are very encouraging and support our objective of expanding the mineralized envelopes of all three deposits. At Nelligan, mineralization continues down plunge, with several intersections grading well above the current Mineral Resource average. We will continue infill drilling while advancing step-out drilling to further extend the system. At Monster Lake, recent drilling has returned high-grade intersections and extended the Megane Zone to a depth of 600 metres. Based on the mineralization style and structural controls, we plan to advance delineation drilling. At Philibert, our first drilling program confirmed previously defined zones and grades, increasing our confidence in the upcoming Mineral Resource estimate and indicating additional potential at depth. I also warmly congratulate the exploration team for safely executing these programs and for their continued commitment to delivering strong results.”
All monetary amounts are expressed in U.S. dollars, unless otherwise indicated.
Toronto, Ontario--(Newsfile Corp. - October 27, 2026) - IAMGOLD Corporation (NYSE: IAG) (TSX: IMG) ("IAMGOLD" or the "Company") is pleased to announce assay results from its ongoing 2025-2026 drilling programs at the Nelligan Mining Complex (100% owned by IAMGOLD). The results confirm the depth extension of the mineralized zones at Nelligan, Monster Lake and Philibert, and define existing resources with closer-spaced drilling at all three deposits. Nelligan, Philibert and Monster Lake are located within a 15 km radius, and the combined exploration camp is accessible by road approximately 60 km southwest of Chibougamau in central Quebec, Canada.
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