Financial Adviser & Broker Appointment

About this update from Guardian Metal Resources

21 November 2025   Guardian Metal Resources plc   ('Guardian Metal' or the 'Company')   Financial Adviser & Broker Appointment   Guardian Metal Resources plc (LON:GMET/OTCQB:GMTLF), a tungsten exploration and development company focused on Nevada, U.S., is pleased to announce the appointment of Joh. Berenberg, Gossler & Co KG, London Branch ("Berenberg") as Financial Adviser and joint Corporate Broker, and Stifel Nicolaus Europe Limited ("Stifel") as joint Corporate Broker, with immediate effect.   The Board believes that the appointments of Berenberg and Stifel will help accelerate the Company's expansion of capital market relationships and enhance its access to institutional investors across the UK, Europe, and the U.S., supporting delivery of its strategic mission and growth plans.     The Directors of the Company are responsible for the release of this announcement.   For further information visit  www.guardianmetalresources.com  or contact the following:   Guardian Metal Resources plc Oliver Friesen (CEO) Tel: +44 (0) 20 7583 8304 Cairn Financial Advisers LLP Nominated Adviser Sandy Jamieson/Jo Turner/Louise O'Driscoll Tel: +44 (0) 20 7213 0880 Berenberg Joint Broker and Financial Adviser Jennifer Lee/Ivan Briechle Tel: +44 (0) 20 3207 7800 Stifel Nicolaus Europe Limited Joint Broker Varun Talwar/Ashton Clanfield Tel: +44 (0) 20 7710 7600 Tamesis Partners LLP Joint Broker Charlie Bendon/Richard Greenfield Tel: +44 (0) 20 3882 2868 Tavistock Financial PR Emily Moss/Josephine Clerkin Tel: +44 (0) 7920 3150 / +44 (0) 7788 554035 [email protected]   About Guardian Metal Resources Guardian Metal Resources PLC (LON: GMET, OTCQX: GMTLF) is a strategic mineral exploration and development company driving the revival of U.S. tungsten production and strengthening America's independence in defence metals. The Company is advancing two co-flagship tungsten projects, Pilot Mountain, one of the largest undeveloped tungsten deposits in the U.S. and Tempiute, formerly America's largest producing tungsten operation, both located in Nevada, one of the top-rated mining jurisdictions in the U.S. In July 2025, Golden Metal Resources (USA) LLC, a wholly-owned subsidiary of Guardian Metal, was awarded US$6.2M from the U.S. Department of War under Title III of the Defense Production Act of 1950 to support the rapid advancement and pre-feasibility study for the Pilot Mountain tungsten Project.  Guardian Metal Resources joined both the Defense Industrial Base Consortium and the Cornerstone Program. The Company has also announced plans to pursue a U.S. listing in the first half of 2026. Tungsten is a strategic mineral essential to the defence, energy transition, technology, and industrial sectors. Against the backdrop of evolving geopolitical dynamics and Chinese export restrictions on tungsten, Guardian is positioned to play a leading role in rebuilding a reliable domestic supply chain for this critical metal.

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