Guardian Metal Resources PLC signed an agreement with Oritain Global Limited on September 10, 2026, to develop a forensic origin verification database for tungsten from its Tempiute and Pilot Mountain projects in Nevada. This collaboration aims to establish provenance capabilities ahead of January 1, 2027, when U.S. defense procurement restrictions under Section 854 of the FY2024 NDAA and Executive Order 14415 mandate tighter traceability for critical minerals. The initiative supports domestic sourcing efforts and aligns with national security priorities by providing scientific evidence of origin for tungsten supply chains. Guardian Metal Resources PLC is a strategic mineral exploration company focused on developing U.S.-based tungsten deposits.

As of June 30, 2026, Guardian Metal Resources PLC had 194,807,981 ordinary shares of £0.01 each in issue, with none held in treasury, resulting in 194,807,981 total voting rights. This figure serves as the denominator for shareholders to determine notification requirements under the FCA's Disclosure and Transparency Rules. The company is a U.S.-focused exploration-stage company focused on tungsten in Nevada.

Guardian Metal Resources PLC announced the results of its Pre-Feasibility Study (PFS) for the Pilot Mountain tungsten project in Nevada, showing a base case after-tax NPV of US$660.3 million and an IRR of 59.6%. The study indicates an 8-year mine life with expected production of 15,916 tonnes of WO3, generating US$1.058 billion in after-tax free cash flow. The project is supported by a $6.2 million Defense Production Act investment from the U.S. Department of War. Guardian Metal Resources PLC is a strategic mineral exploration company focused on tungsten in Nevada, USA.

UCAM Limited reduced its voting interest in Guardian Metal Resources PLC from 24.34% to 21.99% on June 26, 2026. The resulting position consists of 42,841,325 voting rights attached to shares. Guardian Metal Resources PLC is a metals and mining company.