Anteros Minerals begins drilling at Seagull

Executive Summary

• Anteros Metals Inc. has commenced drilling at its Seagull Critical Minerals Project in Ontario, approximately 80 km northeast of Thunder Bay.
• The fully financed and permitted January 2026 program targets a previously untested deep subsurface anomaly identified via ambient noise tomography (ANT) survey.
• The phase 1 program involves a ~1,350m diamond drill hole to evaluate targets for PGEs, nickel, copper, and associated gases (hydrogen/helium), with a specialized gas-handling team arriving later this month.

Key Details

• Project Location: ~80 km northeast of Thunder Bay, Ontario, within the Nipigon basin.
• Operator: Rift Minerals Inc.
• Program Status: Phase 1 is fully financed and fully permitted.
• Drill Target: Previously untested deep subsurface zone beneath the Seagull mafic-ultramafic intrusion; specifically targets a low-velocity anomaly identified by Rift's ambient noise tomography (ANT) survey.
• Drill Specifications: Approximately 1,350-metre-deep diamond drill hole.
• Commodities Evaluated: Platinum group elements (PGEs), nickel, copper, and associated naturally occurring gases (hydrogen and helium).
• Gas Sampling Protocol: Investigatory in nature; explicitly does not imply the presence of commercial gas resources.
• Historical Exploration Context: 1998–2012 work included airborne geophysical surveys and ~20,000 metres of diamond drilling reporting disseminated to semi-massive sulphide mineralization (Ni, Cu, PGEs) along the intrusion's basal contact (historical data, unverified by Anteros).
• 2024 ANT Survey Results: Refined internal geometry of the intrusion, outlining contrasting velocity domains interpreted to reflect lithological and alteration variations (previously untested by drilling).
• Qualified Person: Dr. Geoff Heggie, PGeo (Ontario), reviewed and approved technical information per National Instrument 43-101.
• Next Steps: Company expects to provide additional updates as drilling progresses and results become available.