Guardian Metal Resources PLC Announces Board Changes
Guardian Metal Resources (OTCQB:GMTLF / LON:GMET) announced on November 3, 2025 that Michael X. Schlumpberger, PE MBA will be appointed as a Non-Executive Director, subject to completion of the required AIM due diligence process.
Michael brings almost 40 years of mining experience, including 20 years at PotashCorp and a tenure as CEO of American Pacific Borates where he helped grow market cap from AUS$20M to AUS$900M. He replaces Mick Billing, who will retire after a four-year tenure. The board says Michael's operational and ESG experience will support advancement of the Pilot Mountain and Tempiute tungsten projects. A further announcement with regulatory disclosures will follow.
Guardian Metal Resources (OTCQB:GMTLF / LON:GMET) ha annunciato il 3 novembre 2025 che Michael X. Schlumpberger, PE MBA verrà nominato Direttore Non Esecutivo, soggetto al completamento del previsto processo di due diligence AIM.
Michael porta quasi 40 anni di esperienza nel settore minerario, tra cui 20 anni in PotashCorp e un periodo come CEO di American Pacific Borates, dove ha contribuito ad aumentare la capitalizzazione di mercato da AUS$20M a AUS$900M. Sostituisce Mick Billing, che si ritirerà dopo un mandato di quattro anni. Il consiglio afferma che l'esperienza operativa e ESG di Michael supporterà l'avanzamento dei progetti di tungsteno Pilot Mountain e Tempiute. seguirà un ulteriore comunicato con le informazioni regolamentari.
Guardian Metal Resources (OTCQB:GMTLF / LON:GMET) anunció el 3 de noviembre de 2025 que Michael X. Schlumpberger, PE MBA será nombrado Director No Ejecutivo, sujeto a lafinalización del proceso de debida diligencia AIM requerido.
Michael aporta casi 40 años de experiencia en la minería, incluyendo 20 años en PotashCorp y un mandato como CEO de American Pacific Borates, donde ayudó a incrementar la capitalización de mercado de AUS$20M a AUS$900M. Reemplaza a Mick Billing, quien se retirará tras un mandato de cuatro años. La junta afirma que la experiencia operativa y en ESG de Michael apoyará el avance de los proyectos de tungsteno Pilot Mountain y Tempiute. Se anunciará más adelante una comunicación con divulgaciones reglamentarias.
Guardian Metal Resources (OTCQB:GMTLF / LON:GMET)은 2025년 11월 3일에 Michael X. Schlumpberger, PE MBA가 요구되는 AIM 실사 절차를 완료하는 것을 조건으로 비상임 이사로 임명될 것이라고 발표했습니다.
Michael은 채굴 분야에서 거의 40년의 경험을 보유하고 있으며, PotashCorp에서 20년, American Pacific Borates의 CEO로 재직하는 동안 시가총액을 AUS$20M에서 AUS$900M로 성장시키는 데 기여했습니다. 그는 4년 임기를 마치고 은퇴하는 Mick Billing을 대신합니다. 이사회는 Michael의 운영 및 ESG 경험이 Pilot Mountain 및 Tempiute 텅스텐 프로젝트의 진행을 뒷받침할 것이라고 말합니다. 규제 공시를 포함한 추가 발표가 이어질 예정입니다.
Guardian Metal Resources (OTCQB:GMTLF / LON:GMET) a annoncé le 3 novembre 2025 que Michael X. Schlumpberger, PE MBA sera nommé Administrateur Non Exécutif, sous réserve de l'achèvement du processus de diligence raisonnable AIM requis.
Michael apporte près de 40 ans d'expérience dans le secteur minier, dont 20 ans chez PotashCorp et un mandat en tant que PDG d'American Pacific Borates où il a aidé à faire passer la capitalisation boursière de AUS$20M à AUS$900M. Il remplacera Mick Billing, qui prendra sa retraite après un mandat de quatre ans. Le conseil indique que l'expérience opérationnelle et en ESG de Michael soutiendra l'avancement des projets de tungstène Pilot Mountain et Tempiute. Une annonce ultérieure avec les disclosures réglementaires suivra.
Guardian Metal Resources (OTCQB:GMTLF / LON:GMET) gab am 3. November 2025 bekannt, dass Michael X. Schlumpberger, PE MBA als Non-Executive Director ernannt wird, vorbehaltlich des Abschlusses des erforderlichen AIM-Due-Diligence-Prozesses.
Michael bringt fast 40 Jahre Erfahrung in der Bergbauindustrie mit, darunter 20 Jahre bei PotashCorp und eine Amtszeit als CEO von American Pacific Borates, wo er maßgeblich dazu beigetragen hat, die Marktkapitalisierung von AUS$20M auf AUS$900M zu steigern. Er ersetzt Mick Billing, der nach einer vierjährigen Amtszeit in den Ruhestand geht. Der Vorstand sagt, dass Michaels operative und ESG-Erfahrung die Weiterentwicklung der Tungsten-Projekte Pilot Mountain und Tempiute unterstützen wird. Eine weitere Mitteilung mit regulatorischen Offenlegungen wird folgen.
Guardian Metal Resources (OTCQB:GMTLF / LON:GMET) أعلنت في 3 نوفمبر 2025 أن مايكل X. Schlumpberger، مهندس مدني ومدير أعمال سيعيّن كعضو مجلس إدارة غير تنفيذي، رهناً بإتمام عملية التدقيق الواجبة المطلوبة من AIM.
يجلب مايكل ما يقرب من 40 عامًا من الخبرة في مجال التعدين، بما في ذلك 20 عامًا في PotashCorp وولاية مدير تنفيذي لشركة American Pacific Borates حيث ساهم في رفع القيمة السوقية من AUS$20M إلى AUS$900M. يحل محل ميك بيلنج، الذي سيتقاعد بعد فترة ولاية استمرت أربع سنوات. يقول المجلس إن خبرة مايكل التشغيلية وخبرته في ESG ستدعم تقدم مشاريع التنجستن Pilot Mountain وTempiute. سيعقب ذلك إعلان آخر مع الإفصاحات التنظيمية.
- Appointed Michael X. Schlumpberger as Non-Executive Director (Nov 3, 2025)
- Director's track record: grew American Pacific Borates market cap from AUS$20M to AUS$900M
- Board guidance: support for advancing Pilot Mountain and Tempiute toward development
- Appointment is conditional on completing AIM due diligence
- New director is non-executive—no immediate operational authority
- Outgoing director retires, creating a board transition during project advancement
Mr. Michael X. Schlumpberger appointment to the Board
LONDON, GB / ACCESS Newswire / November 3, 2025 / Guardian Metal Resources plc (LON:GMET)(OTCQB:GMTLF), a strategic mineral exploration and development company focused on tungsten in Nevada, U.S., is pleased to announce that Mr. Michael X. Schlumpberger, PE MBA, is to be appointed to the Board as a Non-Executive Director, subject to completion of the required AIM due diligence process.
Michael's extensive operational and executive experience in the critical minerals space is uniquely suited to Guardian Metal as it progresses its co-flagship projects to help reshore U.S. tungsten production. During Michael's 20 years at PotashCorp, the world's largest potash producer prior to its merger to form Nutrien, he held a myriad of senior operational roles, refining his skillset in mine development and maintenance, downstream operations, and ESG compliance. Since then, he has gone on to hold a series of operational and executive positions, including most recently Managing Director and Chief Executive Officer at ASX-listed American Pacific Borates Ltd, where, during his tenure, he grew the company from a market cap of AUS
Michael is replacing Mr. Mick Billing, who will step down from his role as Non-Executive Director upon Michael's appointment to the Board. Mick is retiring following a four year tenure with Guardian Metal. The Board sincerely thanks Mick for his significant contribution to the Company and wishes him the best for his retirement.
J.T. Starzecki, Executive Chairman of Guardian Metal, commented:
"It brings me great pleasure to welcome Michael to the Board. Michael's record of achievements in his almost 40 years in the industry speaks to his distinguished skillset in mining operations, development and management, and will be particularly well-suited to guide Guardian Metal as it advances Pilot Mountain and Tempiute through to development, to ultimately become the cornerstone of U.S. tungsten supply. I look forward to working closely with him as we transform Guardian Metal into the leading producer of American-made tungsten.
"On behalf of the Board, I would like to sincerely thank Mick for his commitment and service to Guardian Metal, during which the Company established itself as a critical component in U.S. efforts to strengthen defence supply chain resilience. He has been instrumental in the rapid advancement of the Company's offering and focus to date, and we wish him all the best for his retirement."
A further announcement, including regulatory disclosures, will be made in due course.
For further information visit www.guardianmetalresources.com or contact the following:
Guardian Metal Resources plc | Tel: +44 (0) 20 7583 8304 |
Cairn Financial Advisers LLP (Nominated Adviser) | Tel: +44 (0) 20 7213 0880 |
Tamesis Partners LLP (Lead Broker) | Tel: +44 (0) 20 3882 2868 |
Tavistock (Financial PR) | Tel: +44 (0) 7920 3150/ +44 (0) 7788 554035 |
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 defense 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
Tungsten is a strategic mineral essential to the defense, energy transition, technology, and industrial sectors. Against the backdrop of evolving geopolitical dynamics and Chinese export restrictions on tungsten, Guardian is positioned to play the leading role in rebuilding a reliable domestic supply chain for this critical metal.
To learn more, please visit www.guardianmetalresources.com.
This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com.
SOURCE: Guardian Metal Resources PLC
View the original press release on ACCESS Newswire
FAQ
Who was appointed to the Guardian Metal board on November 3, 2025 (GMTLF)?
Which director is leaving Guardian Metal following the November 3, 2025 board change (GMTLF)?
What experience does Michael X. Schlumpberger bring to Guardian Metal (GMTLF)?
How will the board change affect Guardian Metal's Pilot Mountain and Tempiute projects (GMTLF)?
Is Michael Schlumpberger's Guardian Metal appointment final (GMTLF)?
