Radisson Mining Resources Inc. announced the discovery of a significant occurrence of coarse visible gold in a new surface trench excavated at its 100%-owned O'Brien Gold Project located in the Abitibi region of Quebec. The trench is the first of several planned for the summer exploration program at O'Brien and is located just thirty metres east of the O'Brien core shack and office complex, close to the projected surface extension of the celebrated " Jewellery Box" zone. A July 2025 Preliminary Economic Assessment described a low cost and high value project with an 11-year mine life and significant upside potential based on the use of existing regional infrastructure.

Indicated Mineral Resources are estimated at 0.58 million ounces (2.20 million tonnes at 8.2 g/t Au), with additional Inferred Mineral Resources estimated at 0.93 million ounces (6.67 million tonnes at 4.4 g/t Au).