Radisson Announces Additional High-Grade Drill Results at O’Brien Including 23.37 g/t Au over 4.0 Metres and the Deepest Intercept to Date

Radisson Mining Resources Inc. (TSX-V: RDS, OTCQB: RMRDF) (“Radisson” or the “Company”) is pleased to announce assay results from seven new drill holes completed at its 100%-owned O’Brien Gold Project (“O’Brien” or the “Project”) located in the Abitibi region of Québec. The seven holes are the latest completed as part of the Company’s ongoing 140,000-metre step-out drill program designed to test the overall scope of gold mineralization at the Project (see Radisson news release dated October 16, 2025). Three separate and equally significant results are contained within the new data (summarized below, and in Figure 1): Matt Manson, President and CEO: “This latest batch of drill assays from O’Brien contain notable results from several areas of focus in our 140,000 metre step-out drill program. We continue to push the limits of known mineralization at O’Brien outwards and downwards. Two wedges completed from drill hole OB-24-322 demonstrate more characteristic zones of broad and mineralized alteration with high-grade quartz-sulphide-gold veins, pushing the known extents of the Project’s “Trend #1” to a new depth extent of 1,450 metres. Beneath the historic O’Brien Mine, we have been reporting for the past 12 months the progressive delineation of a broad system of high-grade veins showing […]