Guardian Metal Resources PLC Announces Dr. Mark Thorpe appointed to the Board

LONDON / ACCESS Newswire / May 21, 2026 / Guardian Metal Resources plc (NYSE.A:GMTL)(LON:GMET)(OTCQB:GMTLF), a strategic exploration company focused on tungsten in Nevada, USA, is pleased to announce that Dr. Mark Thorpe is to be appointed to the Board as an Independent Non-Executive Director, subject to completion of the required AIM due diligence process. Dr. Thorpe brings to Guardian Metal decades of experience as a senior mining executive.