Vanguard Mining Announces Proposed Name Change to Uranium One Mining Corp. and Strategic Focus on Uranium

Vancouver, BC – TheNewswire - April 21, 2026 – Vanguard Mining Corp. ("Vanguard" or the "Company") ( CSE: UUU | OTCID: UUUFF | Frankfurt: SL51 ) is pleased to provide a corporate update highlighting its strategic transition toward uranium exploration and development, and in connection with this repositioning, the Company is proposing to change its name to “Uranium One Mining Corp.” (the “Name Change” ). The Name Change is intended to reflect the Company's expanded focus on its uranium portfolio, including the Yuty Prometeo Project located in Paraguay, the Nuclean Uranium Project in the Athabasca Basin, Saskatchewan, and the Quark Uranium Property, also located in the Athabasca Basin, as well as potential future acquisitions in the uranium sector.