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RDS.V ·

Radisson Announces Closing of Bought Deal Financing for $25 Million

Financings Drill Results

Radisson Announces Closing of Bought Deal

Financing for $25 Million

Toronto, Ontario--(Newsfile Corp. - May 28, 2026) -

Radisson Mining Resources Inc. (TSXV: RDS)

(OTCQX: RMRDF)

("

Radisson

" or the "

Company

") is pleased to announce that it has closed its

previously announced "bought deal" private placement pursuant to which the Company issued a total of

18,115,797 Class A common shares of the Company that each qualify as "flow-through shares" (within

the meaning of subsection 66(15) of the

Income Tax Act

(Canada)) as part of a charity arrangement (the

"

FT Shares

"), at a price of $1.38 per FT Share, for aggregate gross proceeds of $24,999,800 (the

"

Offering

"). The 18,115,797 FT Shares issued under the Offering include 2,174,000 FT Shares issued

and sold pursuant to the full exercise of the option granted by the Company to the Underwriters.

Matt Manson, President and CEO:

"We are very grateful for the strong support demonstrated for this

financing from existing and new shareholders. In October 2025, we expanded our successful deep,

step-out drill program at the O'Brien Gold Project to what will be an eventual 140,000 metres with up to

eight drill rigs. The drill program is ongoing, and in March of this year we demonstrated its value with

an interim, and meaningful, increase in the estimate of the Project's mineral resources. With this

financing completed, we can now (i) plan the expansion and extension of our drilling through to the

end of 2027, (ii) manage our capital resources more efficiently with our "flow-through" eligible

exploration expenditures, and (iii) establish a strong treasury to support project development activities

and project de-risking. In particular, our step-out drilling ambition is to go deeper. Until now, our

exploration horizon has been to a floor of 2 kilometers depth. Results to date indicate extensive gold

mineralization with good continuity beneath the former mine and the current mineral resources to at

least 1.9 kilometers depth (see

Radisson news release dated April 30, 2026

). Given the character of

neighboring gold deposits and the wealth of mining infrastructure within or close to the O'Brien Gold

Project, we now intend to extend our exploration to a depth of 2.5 kilometers with new deep drilling and

directional wedging. We believe that O'Brien gold mineralization has the potential to extend to at least

these depths, that such mineralization offers the potential for significant new mineral resources in

excess of our current exploration target, and that these mineral resources might be reasonably

expected to be developed."

The Company will use an amount equal to the gross proceeds from the sale of the FT Shares, pursuant

to the provisions in the

Income Tax Act

(Canada) (the "

Tax Act

"), to incur eligible "Canadian exploration

expenses" that qualify as "flow-through mining expenditures" (as both terms are defined in the Tax Act)

(the "

Qualifying Expenditures

") in connection with the exploration of the O'Brien Gold Project,

including deep drilling beyond the scope of the current program, on or before December 31, 2027. The

Company will renounce all such Qualifying Expenditures in favour of the subscribers of the FT Shares

effective December 31, 2026. In the event the Company is unable to renounce Qualifying Expenditures

effective on or prior to December 31, 2026 for each FT Share purchased in an aggregate amount not

less than the gross proceeds raised from the issue of the FT Shares, the Company will indemnify each

FT Share subscriber, as applicable, for the additional taxes payable by such subscriber as a result of the

Company's failure to renounce the Qualifying Expenditures as agreed.

The Offering was completed pursuant to an underwriting agreement dated May 28, 2026 between the

Company and a syndicate of underwriters led by ATB Cormark Capital Markets (collectively, the

"

Underwriters

"). In consideration for the services provided to the Company in connection with the

Offering, the Underwriters received an aggregate cash commission equal to $1,316,792.99,

representing (i) 6% of the gross proceeds of the Offering with respect to the FT Shares sold to

purchasers not on the President's List, and (ii) 3% of the gross proceeds of the Offering with respect to

the FT Shares sold to purchasers on the President's List, provided that no commission was paid with

respect to certain U.S. Purchasers under the President's List (the "

Cash Commission

"). The Cash

Commission was paid by the Company with existing cash on hand.

The Offering remains subject to the final acceptance of the TSX Venture Exchange.

Subject to compliance with applicable regulatory requirements and in accordance with National

Instrument 45-106 -

Prospectus Exemptions

("

NI 45-106

"), the FT Shares have been offered for sale to

purchasers resident in all provinces of Canada pursuant to the listed issuer financing exemption under

Part 5A of NI 45-106, as amended by Coordinated Blanket Order 45-935 -

Exemptions from Certain

Conditions of the Listed Issuer Financing Exemption

(the "

Listed Issuer Financing Exemption

").

The FT Shares issued under the Offering to purchasers resident in Canada under the Listed Issuer

Financing Exemption will not be subject to a hold period 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+ at

www.sedarplus.ca

and on the Company's website at

www.radissonmining.com

.

This news release does not constitute an offer to sell or a solicitation of an offer to buy nor shall there be

any sale of any of the securities in any jurisdiction in which such offer, solicitation or sale would be

unlawful, including any of the securities in the United States. The securities described herein have not

been and will not be registered under the United States Securities Act of 1933, as amended (the "

U.S.

Securities Act

"), or any of the securities laws of any state of the United States, and are not being

offered or sold within the United States or to, or for the account or benefit of, U.S. persons except

pursuant to an exemption from the registration requirements of the U.S. Securities Act and any

applicable securities laws of any state of the United States.

Qualified Persons 

Disclosure of a scientific or technical nature in this news release was prepared under the supervision of

Mr. Richard Nieminen, P.Geo, (QC), a geological consultant for the Company and 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

The Company is a gold exploration company focused on its 100% owned O'Brien Gold Project

("

O'Brien

" or the "

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 technical report titled "O'Brien Gold Project NI 43-101 Technical Report and Preliminary

Economic Assessment, Québec, Canada" effective June 27, 2025 (the "

PEA

"), Radisson's news

release dated March 2, 2026 titled "With Step-Out Drilling Continuing, Radisson Demonstrates

Meaningful Resource Growth at O'Brien with an Updated Mineral Resource Estimate" and other filings

made with Canadian securities regulatory authorities available at

www.sedarplus.ca

for further details

and assumptions relating to the Project. The PEA is preliminary in nature, it includes inferred mineral

resources that are considered too speculative geologically to have economic considerations applied to

them that would enable them to be categorized as mineral reserves, and there is no certainty that the

PEA will be realized.

The Company's head and registered office is located at 50 du Petit-Canada Street, Rouyn-Noranda,

Québec J0Y 1C0. The Class A common shares of the Company are listed on the TSX-V under the

symbol "RDS" and on the OTCQX under the symbol "RMRDF".

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]

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.

Forward-Looking Statements

This news release may contain forward-looking statements and forward-looking information within the

meaning of applicable Canadian securities legislation (collectively, "

forward-looking information

"),

including, but not limited to, the Offering (including the tax treatment of the FT Shares, the timing to

renounce all Qualifying Expenditures in favour of the subscribers and the use of proceeds of the

Offering), statements regarding discussions of future plans, estimates and forecasts and statements

as to management's expectations and intentions and the Company's anticipated work programs.

Often, but not always, forward-looking information can be identified by the use of words and phrases

such as "plans", "expects", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends",

"anticipates", or "believes" or variations (including negative variations) of such words and phrases, or

state that certain actions, events or results "may", "could", "would", "might" or "will" be taken, occur or

be achieved. Forward-looking information reflects the Company's beliefs and assumptions based on

information available at the time such statements were made. Actual results or events may differ from

those predicted in forward-looking information. All of the Company's forward-looking information is

qualified by the assumptions that are stated or inherent in such forward-looking information, including

the assumptions listed below.

Although the Company believes that the assumptions underlying the forward-looking information

contained in this news release are reasonable, this list is not exhaustive of the factors that may affect

any forward-looking information. The key assumptions that have been made in connection with

forward-looking information include the following: that the Company will use the proceeds of the

Offering as anticipated; and that the Company will receive all necessary approvals in respect of the

Offering.

Forward-looking information involves known and unknown risks, future events, conditions,

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

be materially different from any future results, performance or achievements expressed or implied by

forward-looking information. Such factors include, among others, general business, economic,

competitive, political and social uncertainties; that the Company will not use the proceeds of the

Offering as anticipated; that the Company will not receive all necessary approvals in respect of the

Offering; market volatility; the state of the financial markets for the Company's securities; the

speculative nature of mineral exploration and development; fluctuating commodity prices; the future

tax treatment of the FT Shares; competitive risks; costs of exploration; the actual results of current

exploration activities; risks and uncertainties related to the ability to obtain or maintain necessary

licenses, permits or surface rights; errors in geological modelling; conclusions of economic

evaluations; changes in project parameters as plans continue to be refined; exploration results not

being consistent with the Company's expectations; the supply and demand for, deliveries of, and the

future prices of commodities; accidents, labour disputes and other risks of the mining industry; the

availability of qualified employees and contractors; political instability; the impact of value of the

Canadian dollar and U.S. dollar, foreign exchange rates on costs and financial results; market

competition; changes in taxation rates or policies; technical difficulties in connection with mining

activities; changes in environmental regulation; environmental compliance issues; delays in

obtaining governmental approvals or financing; and other risks of the mining industry.

Although the Company has attempted to identify important factors that could cause actual actions,

events or results to differ materially from those described in forward-looking information, there may be

other factors that cause actions, events or results to differ from those anticipated, estimated or

intended. Readers should consider reviewing the detailed risk discussion in the sections entitled

"Risks and Uncertainties related to Exploration" and "Risks Related to Financing and Development"

in the management discussion & analysis for the year ended December 31, 2025, the financial

statements of the Company, and other public disclosure of the Company, all of which are available on

SEDAR+ under Radisson's issuer profile, for a fuller understanding of the risks and uncertainties that

affect the Company's business and operations. Forward-looking information contained herein is given

as of the date of this news release and the Company disclaims any obligation to update any forward-

looking information, whether as a result of new information, future events, or results, except as may be

required by applicable securities laws. There can be no assurance that forward-looking information will

prove to be accurate, as actual results and future events could differ materially from those anticipated

in such statements. Accordingly, readers should not place undue reliance on forward-looking

information.

Not for distribution to United States newswire services or for dissemination in the United

States

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

https://www.newsfilecorp.com/release/299213