Mithril Silver and Gold Returns 11.5m @ 8.61 g/t Gold, 57.6 g/t Silver from 44.5 Metres in Hole T2DH25-006 at Target 2 Area, Copalquin Property, Mexico

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New High-Grade Drilling Discovery in First Round of Shallow Drilling

Melbourne, Australia and Vancouver, British Columbia--(Newsfile Corp. - May 20, 2025) - Mithril Silver and Gold Limited (TSXV: MSG) (ASX: MTH) ("Mithril" or the "Company") is pleased to provide high-grade maiden drill results for a new drill discovery at the Target 2 area in Mithril's Copalquin silver and gold district property, Durango State, Mexico (Figure 1).

Exploration Progress Update

Drilling at Target 2 (Las Brujas) has returned excellent results, with shallow holes over a 200-metre strike length intersecting very high-grade gold and silver within a broad, near-surface structure. Hole T2DH25-006 returned 11.5m @ 8.61 g/t gold, 57.6 g/t silver from 44.5m, including 3.85m @ 25.33 g/t gold, 128 g/t silver from 46.65m including 0.85m @ 109.5 g/t gold, 325 g/t silver from 46.65m. Follow-up drilling ~80 metres down dip is planned for the next phase.

Momentum Building Across the Copalquin District - Multiple Targets Advancing (Figure 2)

  • Exciting Progress at El Peru (Target 2 Extension): The first phase of drilling at El Peru, 400 m east of Las Brujas, has been completed. Multiple shallow drillholes have shown further extension of the mineralized footprint of this emerging high-grade zone (samples dispatched).

  • Eastern District Activity Ramps Up: A second exploration camp has been established to support aggressive mapping and target generation at Targets 2 and 3, highlighting our commitment to unlocking the eastern potential of the district.

  • High-Potential for additional Discovery at Target 5 - El Apomal: A new target has been defined at the historic El Apomal workings. A 130-metre underground adit has been dewatered, mapped, and sampled (assays pending), and a surface vein has been traced over 300 metres - a compelling new drill target developing.

  • District-Scale Potential Confirmed: Over 1,000 metres of vertical relief between Target 2 and Target 5 across 5 km demonstrates the immense scale and structural complexity of the Copalquin district, underscoring its potential to host a large, multi-target mineralized system.

  • Resource Expansion Underway at Target 1: Deep drilling at the El Refugio structure continues to intercept the targeted zone, with samples dispatched for assay. Drilling success here will directly contribute to an upcoming Target 1 resource update.

"We're advancing on multiple fronts across the Copalquin district, with strong drill results at Las Brujas, exciting new potential at El Apomal, and ongoing success at our flagship Target 1 resource area," said John Skeet, CEO and Managing Director. "The scale of this system is becoming increasingly evident, with multiple mineralized zones across the district. With drilling, mapping, and sampling all in full swing, we're well positioned to continue building momentum and unlock significant value through discovery and resource growth."