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RDS.V ·

Radisson Appoints Michel Leclerc to Board of Directors

Management Changes

Radisson Appoints Michel Leclerc to Board of

Directors

Rouyn-Noranda, Quebec--(Newsfile Corp. - April 20, 2026) -

Radisson Mining Resources Inc.

(TSXV: RDS) (OTCQX: RMRDF)

("

Radisson

" or the "

Company

") is pleased to announce the

appointment of M. Michel Leclerc as a member of Radisson's Board of Directors, effective immediately.

Michel Leclerc P.Eng. is a mining engineer with more than 35 years of experience in the mining industry,

including nearly 20 years with Agnico Eagle Mines Ltd. ("Agnico-Eagle") where he notably served as

Vice President, Project Evaluation from 2012 to 2020. In this role, he led multidisciplinary teams

responsible for the evaluation and acquisition of exploration and mining projects, covering all technical,

financial, environmental, social and operational aspects. Previously, he held several increasingly senior

management roles at Agnico-Eagle in operations and engineering, including Mine Manager of the

LaRonde mining complex and General Manager, Abitibi. His career is marked by extensive experience

in feasibility studies, construction, commissioning and optimization of mining projects, both in Canada

and internationally. He graduated from the Polytechnique Montréal and is a member of the Ordre des

ingénieurs du Québec (retired status). M. Leclerc is a resident of Rouyn-Noranda, Québec.

Pierre Beaudoin, Radisson's chairperson, commented: "We are very happy to welcome Michel to

Radisson's board. He brings to Radisson extensive Québec and international experience in

underground mine development and operations, including for the nearby Lapa and LaRonde mining

complexes of Agnico-Eagle. These are mining projects with direct relevance to Radisson's O'Brien

Project. Radisson's board is comprised of seasoned mining professionals with experience in the

development of multiple successful mines, including several of the most important new mines of the last

20 years in Ontario and Quebec. This reflects the quality of O'Brien asset, the rapid growth of its mineral

resources, and its prospects for future successful development. Michel will be a valued addition to this

team."

Concurrent with these appointments, the Company announces the grant of 400,000 stock options.

Pursuant to the terms of the stock option plan each option grants the holder thereof the right to purchase

one class A share at a price of $0.90 until April 20, 2031.

About Radisson Mining

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 PEA 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 0.63 Moz (3.49 Mt at 5.59 g/t Au), with additional Inferred Mineral

Resources estimated at 1.69 Moz (10.37 Mt at 5.08 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. For more

information on Radisson, visit our website at

www.radissonmining.com

or contact:

Matt Manson

President and CEO

416.618.5885

[email protected]

Kristina Pillon

Manager, Investor Relations

604.908.1695

[email protected]

Forward-Looking Statements

This news release contains "forward-looking information" within the meaning of the applicable Canadian

securities legislation that is based on expectations, estimates, projections, and interpretations as at the

date of this news release. Forward-looking statements including, but are not limited to, statements with

respect to the ability to execute the Company's plans relating to the O'Brien Gold Project as set out in the

Preliminary Economic Assessment; the Company's ability to complete its planned exploration and

development programs; the absence of adverse conditions at the O'Brien Gold Project; the absence of

unforeseen operational delays; the absence of material delays in obtaining necessary permits; the price

of gold remaining at levels that render the O'Brien Gold Project profitable; the Company's ability to

continue raising necessary capital to finance its operations; the ability to realize on the mineral resource

and mineral reserve estimates; assumptions regarding present and future business strategies; local and

global geopolitical and economic conditions and the environment in which the Company operates and

will operate in the future; planned and ongoing drilling; the significance of drill results; the ability to

continue drilling; the impact of drilling on the definition of any resource; and the ability to incorporate new

drilling in an updated technical report and resource modelling; the Company's ability to grow the O'Brien

Gold Project; and the ability to convert inferred mineral resources to indicated mineral resources.

Any statement that involves discussions with respect to predictions, expectations, interpretations,

beliefs, plans, projections, objectives, assumptions, future events or performance (often but not always

using phrases such as "expects", or "does not expect", "is expected", "interpreted", "management's

view", "anticipates" or "does not anticipate", "plans", "budget", "scheduled", "forecasts", "estimates",

"believes" or "intends" or variations of such words and phrases or stating that certain actions, events or

results "may" or "could", "would", "might" or "will" be taken to occur or be achieved) are not statements

of historical fact and may be forward-looking information and are intended to identify forward-looking

information. Except for statements of historical fact relating to the Company, certain information

contained herein constitutes forward-looking statements Forward-looking information is based on

estimates of management of the Company, at the time it was made, involves known and unknown risks,

uncertainties and other factors which may cause the actual results, performance or achievements of the

companies to be materially different from any future results, performance or achievements expressed or

implied by such forward-looking information. Such factors include, among others; the risk that the O'Brien

Gold Project will never reach the production stage (including due to a lack of financing); the Company's

capital requirements and access to funding; changes in legislation, regulations and accounting

standards to which the Company is subject, including environmental, health and safety standards, and

the impact of such legislation, regulations and standards on the Company's activities; price volatility and

availability of commodities; instability in the global financial system; the effects of high inflation, such as

higher commodity prices; the risk of any future litigation against the Company; changes in project

parameters and/or economic assessments as plans continue to be refined; the risk that actual costs may

exceed estimated costs; geological, mining and exploration technical problems; failure of plant,

equipment or processes to operate as anticipated; accidents, labour disputes and other risks of the

mining industry; delays in obtaining governmental approvals or financing; risks relating to the drill results

at O'Brien; the significance of drill results; and the ability of drill results to accurately predict

mineralization. Although the forward-looking information contained in this news release is based upon

what management believes, or believed at the time, to be reasonable assumptions, the parties cannot

assure shareholders and prospective purchasers of securities that actual results will be consistent with

such forward-looking information, as there may be other factors that cause results not to be as

anticipated, estimated or intended, and neither the Company nor any other person assumes

responsibility for the accuracy and completeness of any such forward-looking information. The Company

believes that this forward-looking information is based on reasonable assumptions, but no assurance

can be given that these expectations will prove to be correct and such forward-looking statements

included in this press release should not be unduly relied upon. The Company does not undertake, and

assumes no obligation, to update or revise any such forward-looking statements or forward-looking

information contained herein to reflect new events or circumstances, except as may be required by law.

These statements speak only as of the date of this news release.

Please refer to the "Risks and Uncertainties Related to Exploration" and the "Risks Related to Financing

and Development" sections of the Company's Management's Discussion and Analysis dated April 29,

2025 for the year ended December 31, 2024, and the Company's Management's Discussion and

Analysis dated November 26, 2025 for the three month period ended September 30, 2025, all of which

are available electronically on SEDAR+ at

www.sedarplus.ca

. All forward-looking statements contained

in this press release are expressly qualified by this cautionary statement.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the

policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this news

release. No stock exchange, securities commission or other regulatory authority has approved or

disapproved the information contained herein.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/293304