High-Grade Antimony and Gold at Coonambula

• Exceptionally high grades of up to 65.3% antimony, 17.0 g/t gold, and 97.9 g/t silver
• Validates exploration model and strengthens case for accelerated drilling
• Dart Mining to earn up to 51% interest through defined drilling and reporting milestones

Great Divide Mining Ltd (ASX: GDM) is pleased to note the announcement by its Farm-In Joint Venture partner, Dart Mining NL (ASX: DTM), reporting outstanding surface sampling results from the Coonambula Antimony-Gold Project in Central Queensland. Surface and in-situ sampling conducted by Dart Mining across the historic Banshee Mine area returned exceptionally high grades including up to 65.3% antimony, 17.0 g/t gold, and 97.9 g/t silver. These are the highest gold, silver and antimony grades reported to date from the Banshee Mine, significantly enhancing confidence in the project's scale and potential. GDM Managing Director Justin Haines stated that the results validated the Company's exploration model and timing of the Dart Mining farm-in, noting that the Coonambula Project continues to demonstrate why GDM secured this position early. Dart Mining has commenced its initial drilling program at Coonambula using its in-house rig, designed to infill existing high-grade intersections and advance toward a JORC-compliant Antimony-Gold Resource. Under the Joint Venture Agreement with GDM, Dart Mining may earn up to a 51% interest in the Coonambula Project, across its' six tenements, by completing defined drilling and reporting milestones over a two-year period.