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Skyharbour to Acquire 100% of South Dufferin Uranium Project from Denison Mines in the Athabasca Basin, Saskatchewan

Mergers & Acquisitions Property Options & Staking

Suite 1610 – 777 Dunsmuir Street, Vancouver, BC, Canada, V7Y 1K4

www.skyharbourltd.com

TSX-V Trading Symbol: SYH

Email: [email protected]

Telephone: (604) 687-3376

Facsimile: (604) 687-3119

April 27th, 2023

NEWS RELEASE

Skyharbour to Acquire 100% of South Dufferin Uranium Project from Denison Mines in

the Athabasca Basin, Saskatchewan

Vancouver, BC - Skyharbour Resources Ltd. (TSX-V: SYH) (OTCQX: SYHBF) (Frankfurt:

SC1P) (the “Company”) is pleased to announce that it has acquired 100% of the South Dufferin

Uranium Project (“South Dufferin” or the “Project” ) from Denison Mines Corp. (“Denison”) . The

South Dufferin Project comprises 12,282 hectares (30,349 acres) over nine claims in the

Athabasca Basin, which is host to the highest -grade uranium deposits in the world and is

consistently ranked as a top mining jurisdiction by the Fraser Institute.

South Dufferin Property Map:

https://skyharbourltd.com/_resources/images/South-Dufferin-Property-Map.jpg

The new properties recently staked along with South Du fferin bring Skyharbour’s total land

package that it has ownership interest in to 504,356 hectares (1,246,290 acres), across twenty-

four properties, representing one of the largest project portfolios in the regio n. As the Company

remains focused at its ongoing 10,000m drill program at the Russell Lake project, South Dufferin

will become a part of Skyharbour’s prospect generator business as the Company will seek

strategic partners to advance this asset.

Skyharbour’s New Uranium Project Portfolio Map:

https://www.skyharbourltd.com/_resources/maps/SKY_SaskProject_Locator_V2C.jpg

Jordan Trimble, President and CEO of Skyharbour Resources, states: “ We are very pleased to

have reached an agreement with Denison to acquire a 100% interest in South Dufferin, adding to

our recently staked properties and to our dominant uranium project portfolio in the Athabasca

Basin. South Dufferin complements our more advanced -stage exploration assets including

Russell Lake, Moore and South Falcon Point , and provides additional ground to option or joint -

venture out to new partner companies as a part of our prospect generator business. Furthermore,

Denison Mines has been a valuable strategic partner for a number of years and we welcome them

as an even larger shareholder now.

David Cates, President and CEO of Denison Mines and a Director of Skyharbour, states:

“Skyharbour has a large exploration project portfo lio, with a unique mix of partner -optioned and

funded projects as well as the dual-flagship and Skyharbour-operated Russell Lake and Moore

Lake properties. With this transaction, Denison increases its ownership in Skyharbour in

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exchange for a prospective exploration property that became non -core in the Denison portfolio

given our development and exploration focus in areas proximal to our flagship Wheeler River and

McClean Lake properties. We are pleased to increase our shareholdings in Skyharbour and look

forward to the continued collaboration between our companies.”

Summary of South Dufferin Project:

The South Dufferin project totals 12,282 hectares in eight claims and is located immediately south

of the southern margin of the Athabasca Basin in northern Saskatchewan. The property covers

the southern extension of the Virgin River Shear Zone, which host s known high-grade uranium

mineralization at Cameco Corp.'s Dufferin Lake zone approximately 13 kilometres to the north

(highlight drill results of 1.73% U 3O8 over 6.5 metres) and Cameco Corp.'s Centennial deposit

approximately 25 kilometres to the north (includes drill intersections up to 8.78% U3O8 over 33.9

metres).

South Dufferin Property Map:

https://skyharbourltd.com/_resources/images/South-Dufferin-Property-Map.jpg

Historical exploration work on the Project consists of airborne EM, magnetic, and radiometric

surveys, lake water and sediment sampling, prospecting and ground -truthing of airborne

anomalies, geological mapping, and diamond drilling. Some of the historical drill holes intersected

elevated uranium with locally anomalous base metal and boron concentrations as well as

significant clay alteration.

Exploration potential exists for basement-hosted uranium mineralization associated with the

Dufferin Lake fault and parallel faults within the Virgin Lake Shear zone. With numerous

mineralized showings to the north of the Project, exploration efforts at South Dufferin have

advanced the pr oject to a discovery -ready state. Significant exploration potential exists for

basement-hosted uranium mineralization associated with the Dufferin Lake fault, which has an

apparent offset of >200 m, and numerous other parallel faults within the Virgin River Shear zone.

The project is drill ready with numerous prospective targets warranting follow up work.

South Dufferin Target Map:

https://skyharbourltd.com/_resources/images/South-Dufferin-Target-Map.png

The claims are in good standing for several years and there are no underlying royalties on the

property except for a 2% NSR on one of the claims. Skyharbour also owns a 922 hectare claim

adjacent to South Dufferin bringing the cumulative total to 13,204 hectares (32,628 acres) over

ten claims.

Terms of the Agreement:

Under the terms of the Purchase Agreement, which is subject to TSX Venture Exchange approval,

Skyharbour may acquire a 100% interest in the South Dufferin project in consideration for the

issuance of 6,000,000 shares , 1,000,000 non-transferable share purchase warrant s (the

"Warrant"), and a cash payment totaling CAD $125,000. Each Warrant will entitle Denison to

purchase one common share of Skyharbour for a period of two years at a price of $0.60 per share.

No finders’ fees were paid in relation to the acquisition of the South Dufferin Property . The

transaction constitutes a Re lated Party Transaction in accordance with MI 61 -101 due to a

common director on each of the Company and Denison’s Board. The Company is relying on the

exemption from the formal valuation requirement contained in section 5.5 and the minority

shareholder approval requirement contained in section 5.7 of MI 61-101.

Furthermore, at Skyharbour’s 100% owned Moore Lake Uranium Project, Denison has agreed to

not exercise a second buyback option to repurchase a 51% interest in the property by making a

cash payment of CAD $500,000 and spending CAD $16,500,000 in exploration expenditures on

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the property over a four-year period. Skyharbour continues to own the project 100% without any

buyback encumbrance on the project.

Qualified Person:

The technical information in this news release has been prepared in accordance with the

Canadian regulatory requirements set out in National Instrument 43 -101 and reviewed and

approved by David Billard, P.Geo., a Consulting Geologist for Skyharbour as well as a Qualified

Person.

About Skyharbour Resources Ltd.:

Skyharbour holds an extensive portfolio of uranium exploration projects in Canada's Athabasca

Basin and is well positioned to benefit from improving uranium market fundamentals with twenty-

four projects, ten of which are drill-ready, covering over 504,356 hectares of land. Skyharbour has

acquired from Denison Mines, a large strategic shareholder of the Company, a 100% interest in

the Moore Uranium Project which is located 15 kilometres east of Denison's Wheeler River project

and 39 kilometres south of Cameco's McArthur River uranium mine. Moore is an advanced-stage

uranium exploration property with high -grade uranium mineralization at the Maverick Zone that

returned drill results of up to 6.0% U3O8 over 5.9 metres including 20.8% U3O8 over 1.5 metres at

a vertical depth of 265 metres. Adjacent to the Moore Uranium Project is Skyharbour’s recently

optioned Russell Lake Uranium Project from Rio Tinto, which hosts historical high-grade uranium

drill intercepts over a large property area with robust exploration upside potential. The Company

is actively advancing these projects through exploration and drill programs.

Skyharbour has a joint -venture with industry -leader Orano Canada Inc. at the Preston Project

whereby Orano has earned a 51% interest in the project t hrough exploration expenditures and

cash payments. Skyharbour now owns a 24.5% interest in the Project. Skyharbour also has a

joint venture with Azincourt Energy at the East Preston Project whereby Azincourt has earned a

70% interest in the project through exploration expenditures, cash payments and share issuance.

Skyharbour now owns a minority interest in the Project. Preston and East Preston are large,

geologically prospective properties proximal to Fission Uranium's Triple R deposit as well as

NexGen Energy's Arrow deposit.

Skyharbour has several active option partners including: ASX-listed Valor Resources on the Hook

Lake Uranium Project, CSE-listed Basin Uranium Corp. on the Mann Lake Uranium Project, and

CSE-listed Medaro Mining Corp. on the Yurchison Project. More recently, Skyharbour announced

two new earn -in option agreements with Yello w Rocks Energy, a private Australian entity, to

option the Wallee and Usam Island projects, and Tisdale Clean Energy at the South Falcon East

Project.

The Company also owns a 100% interest in the South Falcon Point Uranium Project on the

eastern perimeter of the Basin which is host to the Fraser Lakes Zone B Uranium and Thorium

Deposit. Skyharbour has recently optioned the South Falcon East Project, a uranium project in

the southeast Athabasca Basin and represents a portion of the larger South Falcon Proje ct, to

Tisdale Clean Energy whereby Tisdale will fund exploration, pay Skyharbour in cash, and issue

shares of the company over a five-year earn-in period.

Collectively, Skyharbour has now signed option agreements with partners that total over $34

million in partner-funded exploration expenditures, over $22 million in stock being issued and just

under $15 million in cash payments coming into Skyharbour, assum ing that these partner

companies earn-in the full amount at their respective projects.

Skyharbour's goal is to maximize shareholder value through new mineral discoveries, committed

long-term partnerships, and the advancement of exploration projects in ge opolitically favourable

jurisdictions.

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Skyharbour’s Uranium Project Map in the Athabasca Basin:

https://www.skyharbourltd.com/_resources/maps/SKY_SaskProject_Locator_20230320_V2A.jp

g

To find out more about Skyharbour Resources Ltd. (TSX-V: SYH) visit the Company’s website

at www.skyharbourltd.com.

SKYHARBOUR RESOURCES LTD.

“Jordan Trimble”

Jordan Trimble

President and CEO

For further information contact myself or:

Nicholas Coltura

Corporate Development and Communications

Skyharbour Resources Ltd.

Telephone: 604-558-5847

Toll Free: 800-567-8181

Facsimile: 604-687-3119

Email: [email protected]

NEITHER THE TSX VENTURE EXCHANGE NOR ITS REGULATION SERVICES PROVIDER

ACCEPTS RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THE CONTENT OF

THIS NEWS RELEASE.

The securities offered 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 U.S. state securities laws,

and may not be offered or sold in the United States or to, or for the account or benefit of, United

States persons absent registration or an applicable exemption from the registration requirements

of the U.S. Securities Act and applicable U.S. state securities laws. This press relea se does not

constitute an offer to sell or the solicitation of an offer to buy securities in the United States, nor

in any other jurisdiction.

This release includes certain statements that may be deemed to be "forward-looking statements".

All statements i n this release, other than statements of historical facts, that address events or

developments that management of the Company expects, are forward -looking statements,

including the Private Placement. Although management 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 or developments may differ materially from

those in the forward-looking statements. The Company undertakes no obligation to update these

forward-looking statements if management's beliefs, estimates or opinions, or other factors,

should change. Factors that could cause actual results to differ materially from those in forward-

looking statements, include market prices, exploration and development successes, regulatory

approvals, continued availability of capital and financing, and general economic, market or

business conditions. Please see the public filings of the Company at www.sedar.com for further

information.