Lake Winn Resources Announces Silver-Antimony Joint Venture. Up to 923 g/t Ag, 4% Sb, 2.7 g/t Au, and 8% Pb, at Blunt Mountain, Northern BC, in proximity to Smithers

Lake Winn Resources Announces Silver-Antimony Joint Venture.

 Up to 923 g/t Ag, 4% Sb, 2.7 g/t Au, and 8% Pb, at Blunt Mountain, Northern BC, in proximity to Smithers

Vancouver, British Columbia – July, 24 2025 – Lake Winn Resources Corp. (“Lake Winn” or the “Company”) (TSXV: LWR) (FSE: EE1A) is pleased to announce the Company has entered into a Binding Letter of Intent (the “LOI”), dated July 22, 2025, with Jaxon Mining Inc. (“Jaxon”) (TSXV: JAX) regarding Jaxon’s Blunt Mountain Silver-Antimony-Gold-Lead-Zinc-Copper property.

HIGHLIGHTS

• Critical Mineral (Stibnite) and precious metal property option 5 km from, Highway 16 as well as CN Prince Rupert rail, 45 km north of Smithers Northern BC, which is serviced by commercial air.

• Early grab rock sample results along a 3 km structure hosted in altered intrusive returned multiple results, >1% Antimony, >1ppm Au and >100ppm Ag, epithermal like setting.

• LWR will pay $50K and commit to a $1.5M exploration program over 3 years to gain 51% ownership and then form a Joint Venture.

• Plans to immediately deploy field crews to follow up on these results.

Blunt Mountain is located near major infrastructure, 45 kilometers north of Smithers, British Columbia, with Highway 16 passing 5 kilometers from the property. See Figure 1. The property consists of 12 claims totaling 7,209 hectares, as shown in Table 1.

Figure 1: General location of the Blunt Mountain project. (Image Google Earth)

Table 1: List of Claims

Note: The “good to date” can be extended by conducting work and filing assessment, which is the plan.

In 2021 Jaxon field crews collected 14 rock grab samples, of which 12 were mineralized. The results shown in Table 2, with locations displayed in Figure 2.

Table 2: Location and Results from Anomalous Grab Rock Samples, Blunt Mountain

Notes on the rock samples:

• Rock samples are grab samples which are by nature selective and not representative of bulk mineralization. Systematic sampling, such as channel sampling or drill core is required for representative samples.

• A chain of custody was used for the samples including security tags.

• Samples were assayed at MSA Laboratories in Langley, BC, an AC89, IAS Accreditation Criteria for Testing Laboratories, and has demonstrated compliance with ISO/IEC Standard 17025:2017.

• Rock samples were crushed and pulverized to 85% passing 75um, then digested using aqua regia, and assayed using multi-element ( 39 elements) ICP EM MS, 20g aliquots, Fire assay 30g was used for Au.

• Internal lab controls and blanks were within acceptable range.

Figure 2: Rock samples with antimony values at Blunt Mountain north side of the property.

The primary target at Blunt Mountain is an intrusive related structure with veins containing antimony, silver, gold, lead, zinc, and copper, identified over a 3 km strike length. The mineralization is hosted in a Late Cretaceous aged, Bulkley suite pluton near its northern edge and partially traverses into the surrounding hornfels, of the Jurassic Bowser Formation.

Joint Venture Agreement

The terms of the Joint Venture agreement are as follows:

1. Lake Winn will pay $50,000 within 10 days of signing (the “Property Payment”);
2. Lake Winn will complete $1,500,000 in exploration and development work within 3 years of the agreement date (the “Work Commitment”);
3. Upon completion of the Work Commitment, the Project will be governed as a 51%/49% Joint Venture between Lake Winn and Jaxon respectively;
4. Lake Winn will be the Operator;
5.  Should either party be diluted below a 10% interest, the interest will be converted to a 2% Net Smelter Return (“NSR”).

Qualified Person

Andris Kikauka (P. Geo.), Director of Jaxon Mining, has prepared, reviewed, and approved the scientific and technical information in this press release. Mr. Kikauka is a non-independent Qualified Person within the meaning of NI 43-101.

On Behalf of the Board of Directors of Lake Winn Resources Corp.

Patrick Power

CEO and Director

Lake Winn Resources Corp.

Telephone: (604) 218-8772

This press release contains forward-looking information or forward-looking statements (collectively, “forward-looking information”) within the meaning of applicable securities laws. All statements, other than statements of historical fact, included herein are forward‐looking information. Forward-looking information in this press release include, but are not limited to, statements with respect to holding the postponed Meeting, and the filing of an amended notice of meeting and record date for the postponed Meeting. Forward-looking information is generally, but not always, identified by the words “expects”, “plans”, “anticipates”, “in the event”, “if”, “believes”, “asserts”, “position”, “intends”, “envisages”, “assumes”, “recommends”, “estimates”, “approximate”, “projects”, “potential”, “indicate” and similar expressions, or that events or conditions “will”, “would”, “may”, “could” or “should” occur.

The Company’s forward-looking information are based on the applicable assumptions and factors the Company considers reasonable as of the date hereof, based on the information available to the Company at such time, including without limitation, the ability to host the postponed Meeting at a later date, and the ability to find a suitable location which can accommodate an in-person shareholders’ meeting. The Company cautions investors that any forward-looking information provided by the Company is not a guarantee of future results or performance, and that actual results may differ materially from those in forward-looking information as a result of various risk factors. These factors include, among others, uncertainties arising from general economic conditions or conditions in the financial markets. The reader is referred to the Company’s public filings for a more complete discussion of such risk factors, and their potential effects, which may be accessed through the Company’s profile on SEDAR at www.sedar.com. Except as required by securities law, the Company does not intend, and does not assume any obligation, to update or revise any forward-looking information, whether as a result of new information, events or otherwise.

About Lake Winn

Lake Winn Resources Corp. is a mineral exploration company focused on advancing its 100% owned Little Nahanni Lithium Project (“LNLP”), which is located in the western Northwest Territories near the Yukon Border. The project covers 7,080 hectares that encompasses a 7 km long, and up to 500 m wide, lithium, tantalum, and tin pegmatite dyke swarm. Historical drilling and channel sampling on the Project confirms the presence of significant Lithium, Cesium, Tantalum, & Tin pegmatites dyke swarm.

“Neither 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 release.”

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