Radisson Announces Exercise of Warrants

Rouyn-Noranda, Quebec--(Newsfile Corp. - November 17, 2025) - Radisson Mining Resources Inc. (TSXV: RDS) (OTCQX: RMRDF) ("Radisson" or the "Company") is pleased to announce that it has received total gross proceeds of C$1,481,694.12 from the exercise of 5,487,756 class A shares purchase warrants (the "Warrants") at a price of $0.27 per warrant. The Warrants were issued in relation to a private placement completed in November 2023 and had an expiry of November 17, 2025.

Furthermore, the Company has received additional total gross proceeds of C$42,126.72 from the early exercise of 113,856 class A shares purchase warrants (the "Warrants") at a price of $0.37 per warrant. The warrants were issued in relation to a private placement completed in October 2024.

Matt Manson, President and CEO, commented: "The exercise of these warrants, held by long-standing and supportive shareholders, further strengthens Radisson's financial position and supports the Company's ongoing growth initiatives. At the end of October, our treasury stood at approximately C$36 million, fully funding our ongoing 140,000 metre step out drill program at the O'Brien Gold Project."

As of today, 5,430,431 warrants remain outstanding at an exercise price of $0.37, with expiry dates ranging from October 22, 2026, to October 29, 2026. If fully exercised, these warrants represent potential gross proceeds of C$2,009,259.47. No warrants were issued in connection with the Company's C$12 million private placement, completed in May 2025, nor in the most recent C$25 million private placement, completed in October 2025.

Radisson Mining Resources Inc.

Radisson is a gold exploration company focused on its 100% owned O'Brien Gold Project, located in the Bousquet-Cadillac mining camp along the world-renowned Larder-Lake-Cadillac Break in Abitibi, Québec. 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). Please see the NI 43-101 "O'Brien Gold Project Technical Report and Preliminary Economic Assessment, Québec, Canada" effective June 27, 2025, and other filings made with Canadian securities regulatory authorities available at www.sedarplus.ca for further details and assumptions relating to the O'Brien Gold Project.