Radisson closes $25-million private placement

Mr. Matt Manson reports RADISSON ANNOUNCES CLOSING OF BROKERED FINANCING FOR $25 MILLION Radisson Mining Resources Inc. has closed its previously announced bought deal private placement pursuant to which the company issued a total of 41,667,000 Class A common shares of the company at a price of 60 cents per share, for gross proceeds of $25,000,200. The offering was completed pursuant to an underwriting agreement dated Oct. 7, 2025, between the company and a syndicate of underwriters led by Cormark Securities Inc. In consideration for the services provided to the company in connection with the offering, the underwriters received a cash commission equal to $1,500,012, representing 6 per cent of the gross proceeds of the offering. The company intends to use the net proceeds from the offered shares for continuing exploration and advancement of the O'Brien gold project and for general corporate purposes. The offered shares were issued pursuant to the listed issuer financing exemption under Part 5A of National Instrument 45-106 (Prospectus Exemptions) as amended by Coordinated Blanket Order 45-935 (Exemptions from Certain Conditions of the Listed Issuer Financing Exemption). The offered shares sold pursuant to the offering will not be subject to a hold period in Canada pursuant to applicable Canadian securities laws. An amended offering document related to the offering and the use by the company of the listed issuer financing exemption can be accessed under the company's profile on SEDAR+ and on the company's website. The offering remains subject to the final acceptance of the TSX Venture Exchange. Qualified person Disclosure of a scientific or technical nature in this news release was prepared under the supervision of Richard Nieminen, PGeo (Quebec), a geological consultant for the company, a qualified person for purposes of National Instrument 43-101 (Standards of Disclosure for Mineral Projects). Mr. Nieminen is independent of the company and the O'Brien gold project. About Radisson Mining Resources Inc. Radisson is a gold exploration company focused on its 100-per-cent-owned O'Brien gold project, located in the Bousquet-Cadillac mining camp along the world-renowned Larder-Lake-Cadillac Break in Abitibi, Quebec. 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 580,000 ounces (2.20 million tonnes at 8.2 grams per tonne gold), with additional inferred mineral resources estimated at 930,000 ounces (6.67 million tonnes at 4.4 g/t Au). Please see the National Instrument 43-101 "O'Brien Gold Project Technical Report and Preliminary Economic Assessment, Quebec, Canada," effective June 27, 2025, and other filings made with Canadian securities regulatory authorities available at SEDAR+ for further details and assumptions relating to the O'Brien gold project. We seek Safe Harbor.