Vancouver, BC – TheNewswire - June 17, 2025 – Vanguard Mining Corp. ("Vanguard" or the "Company") (UUU: CSE) (RECHF: OTC) (SL5: Frankfurt) is pleased to announce that, further to its Letter of Intent (“LOI”) dated April 8, 2025, it has entered into a Definitive Share Purchase Agreement (the “Agreement”) to acquire all of the outstanding shares of 1302343 B.C. LTD. (“BC LTD”) which holds an 85% interest in Paraguay Uranium S.A. (“Paraguay Uranium”) that owns four concessions comprising the Yuty Prometeo Project in southeastern Paraguay, the terms of which are outlined below (“Transaction Terms”).

The four concessions — including the three San Jose and one Yuty Uno concession — collectively span approximately 90,000 hectares (222,395 acres) within the prolific Paraná Basin, one of South America’s most promising uranium regions. The project area is located adjacent to Uranium Energy Corp.’s (“UEC”) established Yuty Deposit, which hosts an Indicated resource of 8.96 million pounds of U₃O₈.

This acquisition follows the Company’s previously announced updates on April 17 and June 12, 2025. Vanguard expects to complete site visits, including core review and data compilation, within the next two weeks. The Company is targeting the completion of its maiden NI 43-101 Technical Report within three weeks.

David Greenway, CEO of Vanguard Mining Corp., commented, "The acquisition of the Yuty Prometeo concessions represents a transformative step forward in Vanguard’s uranium exploration strategy. These highly prospective concessions, located adjacent to UEC’s established Yuty multi-million-pound deposit, position us in one of the most promising uranium regions in South America. We are excited to build on the historical exploration and leverage modern techniques to unlock the project's full potential."

Transaction Terms

Under the terms of the Agreement entered into with 1302343 BC Ltd. and its shareholders (collectively, the “Vendors”), Vanguard will acquire 100% of the issued and outstanding shares of BC LTD. BC LTD which holds an 85% interest in Paraguay Uranium S.A., which in turn owns a 100% legal and beneficial interest in the Yuty Prometeo concessions in southeastern Paraguay. The concessions are contiguous to UEC’s Yuty Deposit, which hosts an Indicated resource of 8.96 million pounds of U₃O₈.

Vanguard has agreed to purchase all of the outstanding shares of BC LTD and its 85% interest in Paraguay Uranium S.A. by:

• Paying $20,000 upon execution of the Agreement; and 

• Issuing 8,000,000 common shares of Vanguard to the shareholders of BC LTD, pro rata to their holdings at a deemed price of $0.145; and 

• Paying an additional $20,000 upon the issuance of a Prospecting Permit, which authorizes both surface exploration and drilling activities. 

The Agreement remains subject to customary due diligence, Closing and applicable regulatory approvals. All securities issued in connection with the transaction will be subject to a four-month and one-day hold period in accordance with Canadian securities laws.

About the Yuty Prometeo Project

The Yuty Prometeo consists of four (4) concessions—three (3) San Jose concessions and one (1) Prometeo concession—covering a combined area of approximately 90,000 hectares (222,395 acres) within the uranium-rich Paraná Basin in southeastern Paraguay.

The Prometeo Concession spans approximately 27,666 hectares (68,368 acres) and is directly contiguous to UEC’s Yuty Project. Historical records reference 28 drill holes on the property, with uranium values ranging from 0.05% to 0.10% U₃O₈. Data from previous work by the Anschutz Corporation suggest that the Prometeo block lies on trend with UEC’s adjacent Transandes block.

Click Image To View Full Size

 

Figure 1: Project map of the Yuty Prometeo Concessions showing regional road access, Vanguard’s San Jose and Prometeo concession boundaries, and the adjacent Uranium Energy Corp. (UEC) Yuty Project.

The San Jose Concessions encompass approximately 62,210 hectares (153,754 acres) across three contiguous claims situated along the Upper Permian–Carboniferous contact, approximately 100 km northwest of UEC’s Yuty Project and 40 km west of its Coronel Oviedo Project. A radiometric car survey conducted over a 40 km by 10 km area delineated significant uranium anomalies across the property. Collectively, these concessions represent a strategically positioned and highly prospective uranium exploration asset within one of South America’s most promising uranium districts.

Notes:

Vanguard concession blocks are shown as Vanguard Mining and outlined with black-orange lines. Radiometric anomalies: Increasing intensity is shown in yellow-pink-red-violet-blue.

About UEC’s Yuty ISR Project

The Yuty ISR Project, owned by UEC, covers approximately 117,359 hectares (290,000 acres) and is located about 200 kilometers east and southeast of Asunción, the capital of Paraguay. Positioned within the Paraná Basin, the area hosts several known uranium deposits, including Figueira and Amorinópolis in Brazil. Preliminary studies indicate the deposit is amenable to in situ recovery (“ISR”) — the same low-cost extraction method UEC successfully employs at its operations in Texas.

Modern exploration of the Yuty Project began in 1976, when Anschutz of Denver, Colorado, conducted regional uranium exploration under a joint venture with Korea Electric Power Corporation and Taiwan Power Company. Working under an exclusive concession covering 162,700 square kilometers, nearly the entire eastern half of Paraguay, Anschutz identified multiple target areas, including Yuty. From 1976 to 1983, the company drilled approximately 75,000 meters of core and rotary holes, halting further work due to declining uranium prices.

In July 2006, CUE Resources Ltd. (“CUE”) acquired an option on the Yuty Project and launched its own rotary and diamond drilling campaigns. Between 2007 and 2010, CUE completed 256 drill holes totaling 31,000 meters, ultimately acquiring 100% ownership of the project.

On March 30, 2012, UEC acquired all outstanding shares of CUE Resources Ltd., securing a 100% undivided interest in the Yuty Project.1

Resource Estimates

The current disclosed resource for UEC’s Yuty Project is 8.962 million lbs of U308 Indicated, and 2.203 million lbs of U308 Inferred, which has been finalized in a technical report prepared for UEC titled “Yuty Uranium Project Initial Assessment US SEC Subpart 1300 Regulation SK Report, Paraguay SA” dated July 1, 2022. 2

Vanguard’s management cautions that past results or discoveries on properties adjacent to Vanguard’s projects may not be indicative of mineralization on the Company’s own properties.

About Paraguay

The Republic of Paraguay is an emerging mining jurisdiction in the heart of South America, bordered by Brazil, Argentina, and Bolivia. Known for its political stability, low sovereign risk, and investor-friendly regulatory environment, Paraguay offers a supportive framework for mineral exploration and development. The country has a democratic government, strong legal protections for foreign investment, and a growing interest in unlocking its untapped mineral potential, particularly in uranium, rare earth elements, and base metals. With abundant land, a relatively low population density, and improving infrastructure, Paraguay is increasingly recognized as a geopolitically stable and strategically attractive destination for mining companies seeking long-term growth opportunities.

About Vanguard Mining Corp.

Vanguard Mining Corp. is a mineral exploration and development company dedicated to the discovery and advancement of high-value strategic mineral assets. The Company is focused on creating long-term value through the responsible acquisition and development of highly prospective projects located in stable, mining-friendly jurisdictions worldwide.

All Stakeholders are encouraged to follow the Company on its social media profiles on LinkedIn, X.com, Facebook and Instagram and sign up for updates at Vanguardminingcorp.com

Qualified Person  

The scientific and technical information contained in this news release has been reviewed and approved by Lawrence Segerstrom, a consulting geologist who is a “Qualified Person” as such term is defined under National Instrument 43-101 – Standards of Disclosure for Mineral Projects (“NI 43- 101”). 

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: brent@vanguardminingcorp.com
Website: 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

Certain statements in this release are forward-looking statements, which reflect the expectations of management regarding Vanguard’s intention to continue to identify potential transactions and make certain corporate changes and applications. Forward looking statements consist of statements that are not purely historical, including any statements regarding beliefs, plans, expectations, or intentions regarding the future. Such statements are subject to risks and uncertainties that may cause actual results, performance, or developments to differ materially from those contained in the statements. No assurance can be given that any of the events anticipated by the forward-looking statements will occur or, if they do occur, what benefits Vanguard will obtain from them. These forward-looking statements reflect managements’ current views and are based on certain expectations, estimates and assumptions which may prove to be incorrect. A number of risks and uncertainties could cause actual results to differ materially from those expressed or implied by the forward-looking statements, including Vanguard’s results of exploration or review of properties that Vanguard does acquire. These forward-looking statements are made as of the date of this news release and Vanguard assumes no obligation to update these forward-looking statements, or to update the reasons why actual results differed from those projected in the forward-looking statements, except in accordance with applicable securities laws.

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1 Source : https://www.uraniumenergy.com/news/releases/index.php?content_id=910

2 Source : https://www.sec.gov/Archives/edgar/data/1334933/000143774922017351/ex_396105.htm