File: '\\swfile\EmailIn\20251208 134014 Attachment Lake Winn Resources - News Release Announcing Private Placement (December 8, 2025).docx'

LEGAL_48303383.1

LEGAL_48303383.1

THIS NEWS RELEASE IS NOT FOR DISTRIBUTION TO U.S. NEWSWIRE SERVICES FOR DISSEMINATION IN THE UNITED STATES

LAKE WINN ANNOUNCES PRIVATE PLACEMENT

Vancouver, British Columbia - December 08, 2025 - Lake Winn Resources Corp. (TSXV: LWR; FSE: EE1A) (the "Company") announces that it is conducting a non-brokered private placement (the "Offering") of up to 7,272,727 units (the "Units") at a price of C$0.055 per Unit, for gross proceeds of up to $400,000.

Each Unit will consist of one common share in the capital of the Company (a "Share") and one share purchase warrant (a "Warrant"). Each Warrant will be exercisable to purchase an additional Share (a "Warrant Share") at an exercise price of $0.08 per Warrant Share for a period of 24 months after the date of issuance.

The Company intends to use the net proceeds from the Offering for exploration expenditures related to the Company's Little Nahanni Project as well as general working capital and administrative expenses.

Closing is subject to a number of prescribed conditions, including, without limitation, approval of the TSX Venture Exchange (the "TSXV"). The securities to be issued under the Offering will be offered by way of private placement to purchasers in the provinces of British Columbia, Alberta, and Ontario and such other provinces or territories of Canada as may be determined by the Company, in each case, pursuant to applicable exemptions from the prospectus requirements under applicable securities laws. Securities issued under the Offering will be subject to a four-month hold period, which will expire four months and one day from the date of closing of the Offering.

The Company may pay finder's fees on the Offering in accordance with the policies of the TSXV.

Additionally, the Company wishes to announce that it is no longer proceeding with a private placement announced on August 25, 2025 (the "August Private Placement"). The Company closed a first tranche of the August Private Placement on September 10, 2025, but will not be issuing additional tranches under the August Private Placement.

This news release does not constitute an offer to sell or a solicitation of an offer to buy any of the securities in the United States. The securities 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 state securities laws and may not be offered or sold within the United States or to U.S. persons unless registered under the U.S. Securities Act and applicable state securities laws or an exemption from such registration is available.

About Lake Winn

Lake Winn Resources Corp. is a mineral exploration company focused on advancing the 100% owned Little Nahanni Pegmatite Project located in the Northwest Territories near the Yukon Border. The Project covers 9,682.5 hectares, including a major portion of a 13 km-long, up to 500 m wide, lithium, cesium, and tantalum pegmatite dyke swarm. The Project has had historic drilling and channel sampling that confirm significant lithium, tantalum, cesium, and tin.

ON BEHALF OF THE BOARD OF DIRECTORS OF LAKE WINN RESOURCES CORP.

Patrick Power

President, CEO & Director

Lake Winn Resources Corp.

Telephone: (604) 218-8772

info@lakewinn.ca

www.lakewinn.ca

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 release.

Forward-looking Statements: Certain statements in this news release are "forward-looking statements" which reflect the Company's current expectations and projections about future events and financial trends that it believes might affect its financial condition, results of operations, business strategy, and financial needs. In some cases, these forward-looking statements can be identified by words or phrases such as "may", "might", "will", "expect", "anticipate", "estimate", "intend", "plan", "indicate", "seek", "believe", "estimates", "predicts" or "likely", or the negative of these terms, or other similar expressions intended to identify forward-looking statements. Whether actual results, performance, or achievements will conform to the Company's expectations and predictions is subject to a number of known and unknown risks, uncertainties, assumptions and other factors, including, without limitation, delays in obtaining applicable regulatory approvals for the Offering, the Offering not being fully subscribed, or the completion of exploration programs on the Little Nahanni Project. These factors involve various risks and uncertainties that could cause actual results to differ materially from those anticipated by the Company. Investors should not place undue reliance on forward-looking information. Important factors that could cause actual results to differ materially from the Company's expectations include actual exploration results, results of future resource estimates, future metal prices, availability of capital and financing on acceptable terms, general economic, market or business conditions, uninsured risks, regulatory changes, defects in title, availability of personnel, materials and equipment on a timely basis, accidents or equipment breakdowns, delays in receiving government approvals, unanticipated environmental impacts on operations and costs to remedy same, and other exploration or other risks detailed herein and from time to time in the filings made by the Company with securities regulators. The forward-looking information contained herein is made as of the date of this release. The Company does not undertake any obligation to update or revise such information, whether as a result of new information, future events, or otherwise, except as required by applicable securities laws.