Guardian Metal Resources PLC

Guardian Metal Resources PLC announced it will publish the results of its Pre-Feasibility Study (PFS) for the Pilot Mountain Tungsten Project on June 30, 2026. This study, supported by a $6.2 million investment from the U.S. Department of War, marks a significant development milestone for the project. Following the publication, the company will host a live investor presentation on July 1, 2026, to discuss the PFS and provide an update on its outlook.

Guardian Metal Resources PLC announced a change in major holdings, with Purebond Limited's voting rights decreasing. Purebond Limited now holds 5.004928% of the company's voting rights, totaling 9,750,000 shares. This represents a slight decrease from their previously notified position of 5.025566%.

Guardian Metal Resources PLC announced the acquisition of Lincoln Estates Group LLC for US$1.3 million in cash. This acquisition includes 841 acres of real property and 2,540 acre-feet of annual water rights, located less than 10 miles from the company's Tempiute Tungsten Project in Nevada. The acquisition is a key de-risking milestone, enhancing the project's development potential and supporting the goal of building a resilient U.S. domestic tungsten supply chain.

Guardian Metal Resources PLC is a strategic mineral exploration company focused on reviving U.S. mined tungsten production to strengthen America's defense metal independence. The company is advancing two co-flagship tungsten projects, Pilot Mountain and Tempiute, both located in Nevada. In July 2025, the U.S. Department of War invested $6.2 million in a subsidiary to support the Pilot Mountain PFS, and the company completed a U.S. listing on the NYSE American on March 20, 2026.

Guardian Metal Resources announced the discovery of the Tremor Zone, a new tungsten-skarn zone at its Pilot Mountain Project. Initial drilling revealed multiple tungsten-rich intervals, including a highlight of 13.68m of 0.31% WO3. This discovery supports the company's view of significant untapped exploration potential at Pilot Mountain, a project backed by a $6.2M U.S. Department of War investment to advance domestic tungsten supply.

Guardian Metal Resources PLC announced the appointment of Dr. Mark Thorpe as an Independent Non-Executive Director, pending AIM due diligence. Dr. Thorpe brings over 30 years of experience as a senior mining executive, specializing in sustainability, environmental, permitting, and community engagement initiatives across the global mining sector. He replaces Mr. Mark Burnett, who steps down to pursue other business interests, and is expected to support Guardian Metal's Nevada tungsten projects through key development phases and into production.

Guardian Metal Resources PLC provided an update on its Tempiute Tungsten Project, focusing on the potential recovery of tungsten and other metals from historical mine tailings. The company has identified a substantial surface footprint of approximately 550 acres of tungsten-enriched tailings and significantly expanded its mineral rights by staking 193 new claims, increasing its Tempiute footprint by over 375%. An auger drilling program is planned for June 2026 to characterize the material and assess resource potential, aiming to provide a near-term domestic tungsten supply.

Guardian Metal Resources PLC filed an F-1 registration statement for the resale of up to 72,111,177 ordinary shares, including American Depositary Shares (ADSs), by existing selling shareholders. The company will not receive any proceeds from these sales, as the registration satisfies certain registration rights. Guardian Metal Resources is an emerging growth company and foreign private issuer focused on U.S.-based critical minerals exploration, particularly tungsten projects in Nevada, and recently received a $6.2 million award from the U.S. Department of War.

Guardian Metal Resources PLC provided a positive progress update on its 100%-owned Pilot Mountain tungsten project's Pre-Feasibility Study (PFS) in Nevada, USA. The PFS, supported by a $6.2 million U.S. Department of War investment, is advancing well across all key workstreams. The company expects to move into mine permitting and commence Definitive Feasibility Study work after PFS completion, aiming to establish the first new hard-rock tungsten mine in the U.S. in over a decade. Exploration efforts also show encouraging visual results at several target zones.

Guardian Metal Resources PLC announced its total voting rights as of April 30, 2026. The company has 194,307,981 ordinary shares of 0.01 each in issue, with none held in treasury. This figure is provided for shareholders to determine their notification requirements under the FCA's Disclosure and Transparency Rules.