Vanguard Mining Expands U.S. Investor Access with Ticker Change to UUUFF on OTCID Market

(via TheNewswire)

Vancouver, BC – August 19, 2025 – TheNewswire - Vanguard Mining Corp. ("Vanguard" or the "Company") (CSE: UUU | OTC: UUUFF | Frankfurt: SL5) is pleased to announce that its common shares have commenced trading under the new OTC ticker symbol “UUUFF”, effective August 18, 2025. At the same time, the Company has successfully transitioned from the OTC Pink Market to the OTCID™ Market, operated by OTC Markets Group Inc.

The OTCID™ Basic Market establishes a new standard of transparency for issuers by requiring timely quarterly and annual financial reporting, annual management certifications, and a verified company profile. These foundational disclosure requirements provide investors, brokers, and regulators with reliable, up-to-date information. This higher level of transparency is designed to strengthen investor confidence, improve market integrity, and expand access to both institutional and retail investors who value strong corporate governance.

Management believes this milestone reflects Vanguard’s ongoing commitment to transparency, accountability, and sound corporate governance. By advancing to the OTCID™ Market, the Company not only demonstrates its dedication to providing timely and reliable information but also reinforces its alignment with the expectations of today’s global investment community. This achievement positions Vanguard to engage a broader base of long-term shareholders, enhance visibility within U.S. capital markets, and create greater opportunities for strategic partnerships and capital access that support the Company’s growth objectives.

Corporate Updates and Disclosures

Vanguard Mining also announces that it will hold its Annual General Meeting (“AGM”) of shareholders on October 3, 2025.

• Record Date for Notice and Voting: August 19, 2025 

• Beneficial Ownership Determination Date: August 19, 2025 

• Meeting Date: October 3, 2025 

• Meeting Location: To be announced 

The meeting will address the election of directors, appointment of auditors, and other matters of business that may properly come before the meeting.

Shareholders of record as of the close of business on August 19, 2025, will be entitled to receive notice of and vote at the AGM.

Further details regarding the AGM, including the meeting location and matters to be considered, will be provided in the Company’s management information circular, which will be mailed to shareholders of record and filed on SEDAR+.

About Vanguard Mining Corp.

Vanguard Mining Corp. is a Canadian mineral exploration company focused on the discovery and development of high-value strategic minerals. The Company is currently advancing uranium exploration projects in the United States and Paraguay, with a focus on identifying and developing assets critical to the global energy transition. Vanguard is committed to responsible exploration and value creation through the acquisition and advancement of highly prospective uranium properties.

On Behalf of the Board of Directors

“David Greenway”

David Greenway, CEO

For further information, please contact:

Vanguard Mining Corp. Brent Rusin

Phone: +1 672-533-0348

E-Mail: [email protected] Website: https://vanguardminingcorp.com/

Neither the Canadian Securities Exchange nor its Regulation Services Provider (as that term is defined in the policies of the CSE) accepts responsibility for the adequacy or accuracy of this release.

Disclaimer for Forward-Looking Information

This news release may contain certain forward-looking statements and forward-looking information (collectively, “Forward-Looking Statements”) within the meaning of the applicable Canadian and U.S. securities laws. All statements, other than statements of historical fact, included herein including, without limitation, statements with respect to the Offering and the anticipated use of the proceeds therefrom, are forward-looking statements. When or if used in this news release, the words “anticipate”, “believe”, “estimate”, “expect”, “target, “plan”, “forecast”, “may”, “schedule” and similar words or expressions identify forward-looking statements or information. Such statements represent the Company's current views with respect to future events and are necessarily based upon a number of assumptions and estimates that, while considered reasonable by the Company, are inherently subject to significant business, economic, competitive, political and social risks, contingencies and uncertainties. Many factors, both known and unknown, could cause results, performance, or achievements to be materially different from the results, performance or achievements that are or may be expressed or implied by such forward-looking statements. The Company does not intend, and does not assume any obligation, to update these forward-looking statements or information to reflect changes in assumptions or changes in circumstances or any other events affecting such statements and information other than as required by applicable laws, rules and regulations.

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