Viscount Drilling Confirms Targeted Tr2/Tr3 Silver-Host Rhyolites Extend Beyond Kate Resource Boundary at Silver Cliff

The Tr2 and Tr3 rhyolite units represent the principal host rocks for silver mineralization at Silver Cliff and have historically returned some of the highest-grade silver intercepts drilled on the property, including intervals grading up to 3,280 g/t silver. Vancouver, British Columbia--(Newsfile Corp. - May 13, 2026) - Viscount Mining Corp. (TSXV: VML) (OTCQX: VLMGF) ("Viscount" or the "Company") is pleased to provide an update on its ongoing 2026 core drilling program at the Company's wholly owned Silver Cliff Project in Colorado, where drilling continues to confirm the scale and continuity of the mineralized hydrothermal system surrounding the Kate Silver Resource ("KSR").