HM Exploration Discovers New Blind Massive Sulphide Lens at Lewis Pilley's Project

About this update from Hm Exploration Corp.

VANCOUVER, BC / ACCESS Newswire / June 29, 2026 / HM Exploration Corp. ("HM Exploration", "HM" or the "Company") (CSE:HM)(FSE:X5H)(OTCQB:HMEXF) is pleased to announce that it has completed an additional three holes as part of the phase one drilling program (the "Program") at the Company's Lewis Pilley's Project (the "Project"), located in Newfoundland, Canada. The three holes in this press release represent an additional 544.27 metres for a total drilled meterage of 1,632.27m of a planned minimum 2,500 metres of diamond drilling. Highlights: "While we were expecting to see significant mineralization below the exposed massive sulphide horizon at the Clifford Jones trench, the intersection of the lower-lens came as a welcomed new exciting discovery" said Nick Ryan, Chief Geologist with HM Exploration Corp. "The discovery of a second mineralized lens demonstrates that the system is more extensive than previously recognized and supports the potential for multiple stacked sulphide horizons. We look forward to receiving laboratory assays back and delineating the extents of this new discovery with subsequent drilling." Drilling was focused on evaluating the continuity of the mineralized system below known surface showings and along strike of Clifford Jones Zone (the "Zone") to improve the Company's understanding of the geological controls on mineralization (Figure 2). Visual observations from drilled holes indicate that the upper targeted copper-bearing debris flow was successfully intersected, with zones of alteration and massive to semi-massive sulphide mineralization observed in the drill core.

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