Quarterly Activities Report

• Drilling at Hopes Hill extended mineralised system beyond 3km of strike length
• High-grade gold mineralisation confirmed both along strike and at depth
• $30.6 million cash on hand as at 30 June 2026
• Regional exploration at Hakes Find and Greenmount delivered promising results
• Independent prospectivity review of Sorrel Copper Project identified high-priority targets

Golden Horse Minerals Limited (ASX: GHM) reported significant advancements in its quarterly activities for the period ended 30 June 2026. The company's drilling at the Hopes Hill project extended the mineralised system beyond 3 kilometres of strike length, confirming the continuity of high-grade gold mineralisation both along strike and at depth. Key highlights include intersections such as 26HHDD010: 16.0m @ 6.8 g/t Au from 115m and 26HHRC066: 7.0m @ 13.0 g/t Au from 13m. Regional exploration at Hakes Find confirmed shallow high-grade gold mineralisation over more than 500 metres of strike, while maiden drilling at Greenmount returned exceptional gold mineralisation. Additionally, an independent prospectivity review of the Sorrel Copper Project identified multiple high-priority exploration opportunities. Golden Horse finished the quarter with a strong balance sheet, holding approximately $30.6 million in cash as of 30 June 2026.

Golden Horse Minerals expects a strong pipeline of assay results in the second half of 2026.

Golden Horse Minerals anticipates continued exploration success and the potential for substantial future resource growth at Hopes Hill and other regional targets.