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FUU.V ·

TSX Venture Symbol: FUU OTC Symbol: Fuuff

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www.f3uranium.com

TSX VENTURE SYMBOL: FUU

OTC SYMBOL: FUUFF

FSE: GL7

F3 ISSUES COMMON SHARES DEBT SETTLEMENT OF INTEREST OWED

Kelowna, British Columbia— (Newsfile Corp. – July 7 , 2026) – F3 Uranium Corp. (TSXV: FUU) (OTCQB:

FUUFF) (“F3” or the “Company”) notes that it wishes to issue Common shares to Denison Mines Corp.

(“Denison”) (TSX: DML) (NYSE American: DNN ) pursuant its financing agreement as entered into in

October 2023. Denison has elected to settle a portion of the accrued interest for the past quarter

with the acceptance of common shares of F3 (the “Debt Settlement”).

The payment to Denison will consist of a cash payment of $225,000 and a total of 755,034 common

shares of F3 with a calculated deemed price of $0.149 per share being the 20-day VWAP of the shares

as at June 30, 2026

Original Terms of the Debenture

The Debenture carries a 9% coupon (the “Interest”), payable quarterly, has a maturity date of October

18, 2028, and is convertible at Denison’s option into common shares of the Company at a conversion

price of $0.56 per share (the “Conversion Price”). F3, at its sole discretion, may pay up to one-third

of the Interest in common shares of F3 issued at a price per common share equal to the volume -

weighted average trading price of F3’s common shares on the TSX Venture Exchange (the “TSXV”) for

the 20 trading days ending on the day prior to the date on which such payment of Interest is due. Full

details of the debenture are noted in the press releases of October 6 and October 18, 2023.

All securities issued pursuant to the Deb t Settlement are subject to the approval of the TSX-V and,

when issued, a statutory hold period in Canada expiring four months and one day from the date of

issuance.

The shares-for-debt transaction was approved by the Company’s Board of Directors pursuant to the

terms of the debenture and did not require a formal valuation nor minority shareholder approval

pursuant to Multilateral Instrument 61-101.

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About F3 Uranium Corp.:

F3 is a uranium exploration company, focusing on the high-grade JR Zone and new Tetra Zone discovery 13

km to the south in the PW area on its Patterson Lake North (PLN) Project in the Western Athabasca Basin. F3

currently has 3 properties in the Athabasca Basin: Patterson Lake North, Minto, and Broach. The western side

of the Athabasca Basin, Saskatchewan, is home to some of the world’s largest high-grade uranium deposits

including Paladin’s Triple R project and NexGen’s Arrow project.

F3 Uranium Corp.

750-1620 Dickson Avenue

Kelowna, BC V1Y9Y2

Contact Information

Investor Relations

Telephone: 778-484-8030

Email: ir@ f3uranium.com

ON BEHALF OF THE BOARD

"Dev Randhawa"

Dev Randhawa, CEO

Forward Looking Statements

This news release includes certain statements that may be deemed “forward- looking statements”. All statements in this

news release, other than statements of historical facts, that address events or developments that the Company expects to

occur, are forward-looking statements. Forward- looking statements are statements that are not historical facts and are

generally, but not always, identified by the words “expects”, “plans”, “anticipates”, “believes”, “intends”, “estimates”,

“projects”, “potential” and simi lar expressions, or that events or conditions “will”, “would”, “may”, “could” or “should”

occur. Although the Company believes the expectations expressed in such forward -looking statements are based on

reasonable assumptions, such statements are not guarantees of future performance and actual results may differ

materially from those in the forward -looking statements. Factors that could cause the actual results to differ materially

from those in forward- looking statements include ability to complete the priv ate placement, market prices, continued

availability of capital and financing, and general economic, market or business conditions. Investors are cautioned that

any such statements are not guarantees of future performance and actual results or developments may differ materially

from those projected in the forward- looking statements. Forward-looking statements are based on the beliefs, estimates

and opinions of the Company's management on the date the statements are made. Except as required by applicable

securities laws, the Company undertakes no obligation to update these forward- looking statements in the event that

management’s beliefs, estimates, opinions, or other factors should change.

The TSX Venture Exchange has not reviewed, approved or disapproved the contents of this press release, and does not

accept responsibility for the adequacy or accuracy of this release.