Radisson Extends High-Grade Gold Mineralization at O’Brien to 1.9 Kilometres Depth with Latest Drill Results

Radisson Mining Resources Inc. (TSX-V: RDS, OTCQX: RMRDF) (“Radisson” or the “Company”) is pleased to announce assay results from sixteen new drill holes completed at its 100%-owned O’Brien Gold Project (“O’Brien” or the “Project”) located in the Abitibi region of Québec. Of note, today’s results include significant intercepts of high-grade gold in the new pilot hole OB-26-384 at 1.9 kilometres vertical depth, the deepest hole ever drilled at the Project. These results are the latest from the Company’s ongoing 140,000-metre step-out drill program and extend the scope of gold mineralization beyond the Company’s recent updated March 2026 Mineral Resource Estimate. Highlights include (summarized below, and in Figure 1): Matt Manson, President and CEO: “Since late 2024 we have been engaged in an aggressive 140,000-metre program of step-out drilling at the O’Brien Gold Project with the objective of testing the full scope of mineralization down to a 2-kilometre floor. Drill results reported through the course of 2025 and early 2026 confirmed the presence of an increasingly significant, high-grade gold vein system beneath the historic O’Brien mine workings and below the modern mineral resource area. On March 2nd we published an interim update to the Project’s Mineral Resource Estimate with a meaningful […]