Significant gold discoveries continue at Golden Gate – Drilling reaches 253.0 m @ 1.5 g/t Au from surface and open in all directions, ending in mineralization

Resolution Minerals Ltd (ASX: RML; OTCQB: RLMLF) (“Resolution” or “Company”) is pleased to announce that its initial drilling program at its 100% owned Horse Heaven Gold-Antimony-Tungsten-Silver Project (“Horse Heaven” or the “Project”), Idaho, USA (Figure 1) has produced additional broad intervals of surface gold mineralization at Golden Gate Prospect.

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Highlights

• Golden Gate has now reported results for three diamond holes from the surface, all terminating in gold mineralization, confirming a large, open intrusion-related gold system. The two most recent holes include:
  • HH-GG25-003C: Downhole interval of 253.0 m @ 1.50 g/ton gold from surface to 253.0 m (open ended), including:
    • 111.9 m at 2.31 g/t gold from 130.5 m and 18.3 m at 3.98 g/t gold from 149.4 m (with the highest test result of 5.91 g/ton gold over a borehole width of 1.5 m)
  • HH-GG25-002C: Downhole interval of 265.2 m @ 0.60 g/ton gold from surface to 265.2 m (open ended), inclusive 89.9 million @ 1.15 g/ton gold from 121.9m.
• On October 28, 2025, the company reported a downhole interval of 189.2 m @ 1.30 g/t Au from 34 mending with mineralization, in HH-GG25-001C, including:
  • Downhole interval of 12.9 m @ 2.32 g/t Au from 94.4 m; And
  • Downhole interval of 70.8 m @ 2.24 g/t Au from 128.8 m.

These results demonstrate the ongoing potential for a large intrusive gold system with geology, sulfides and alterations similar to the Stibnitic gold-antimony deposit, only ~16 km away.

• Multiple near-term catalysts include:
  • A reverse circulation drill rig is mobilized to Golden Gate to immediately monitor the results of the first three holes.
  • Assay batch results from 7 additional oriented core holes from the Phase 1 program (including the bottom of HH-GG25-001C) to be released gradually over the following months.
• RML’s Horse Heaven project is strategically located in a district central to the domestic critical mineral supply chains (gold-antimony-tungsten-silver), all in line with U.S. government priorities.

RML’s CEO of US Operations, Craig Lindsay, commented on the discovery:

“Following up our first hole with even stronger results from holes 2 and 3 is an exceptional outcome for the Golden Gate prospect.

These results confirm that Golden Gate hosts a large, robust gold system, with all holes returning broad surface gold mineralization and terminating in mineralization.

That level of continuity and consistency is extremely rare this early in a program and highlights the potential scale and our belief that Golden Gate has all the hallmarks of a significant intrusive gold deposit, comparable to the major systems seen elsewhere in the district, including Perpetua’s Stibnite, which is only 10 miles away.

With multiple targets remaining to be tested within the broader Horse Heaven Project, including Antimony Ridge, our confidence continues to grow that we are on the cusp of uncovering a district-level gold system with complementary known tungsten and antimony mineralization.”

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