Continuity Demonstrated In The Hanging Wall Zone

TORONTO – Hercules Metals Corp. reported on its 2025 drilling campaign at the Leviathan porphyry copper discovery, located on its Hercules Property in western Idaho. Results are now demonstrating continuity in the Hanging Wall Zone, with HER-25-05 (25-05) returning 273 m of 0.60% Cu, 77 ppm Mo, and 1.8 g/t Ag, within a broader interval of 379 m of 0.50% Cu, 75 ppm Mo, and 1.5 g/t silver, beginning at 110 m true depth below surface. HER-25-03 (25-03), drilled further outward along the same fence, intersected 256 m of 0.44% Cu, 85 ppm Mo, and 0.9 g/t Ag within 452 m of 0.37% Cu, 73 ppm Mo, and 0.86 g/t Ag.
Assays for HER-25-15 are pending and will complete this fence, delineating the full width of mineralization across both the Hanging Wall and Footwall zones on this section. With five additional fences drilled at 200-metre spacing this season, continuity is building rapidly across the Leviathan system. And, by applying a systematic, model-driven approach, the Company is able to identify and delineate where the highest-grade core is centred on each drill fence, guiding additional infill drilling.
Drill hole HER-25-04 (25-04) was deemed to have been collared away from the centre, at a dip later determined to be too steep, and was terminated in a late-mineral dyke. However, prior to encountering the late-mineral dyke, assay results revealed a consistent increase in copper within the surrounding volcanic host rock. The final 85 metres immediately preceding the dyke averaged 0.30% Cu, including a final 38 metre interval grading 0.48% Cu, supporting higher grades being located west of 25-04, where the centre of the system is now inferred.
Chris Paul, CEO and Director, said, “2025 drilling continues to show dramatic improvements as follow-up drilling continues, thanks to the utilization of our 3D model, guiding drilling across the porphyry system. With long intervals of up to 0.6% copper beginning 110 m below surface, we are now rapidly building confidence in the continuity of stronger grades over a significant strike length.
“We are employing a systematic, fence-based drilling strategy with the bjective of delineating where the highest-grade mineralization occurs on each 200 metre-spaced fence. We are still awaiting assay results on this fence and look forward to updating the market when those results become available. By the end of the 2025 campaign, the Company will have completed a total of six (6) 200 metre-spaced drill fences, at which time, it may evaluate the prospect of initiating a maiden mineral resource estimate.
The Hercules Project was initially acquired for its extensive silver mineralization, long before the discovery of the Leviathan porphyry transformed it into one of the most compelling new copper projects in the U.S. With silver prices strengthening, we’re now beginning to see an opportunity to view Hercules as a larger-scale open-pit target, encompassing both the porphyry copper system at depth and the near-surface silver mineralization in the overlying cover rock. Recent metallurgical testing is helping to support the optionality for a potential multi-metal system, as the project advances.”