MNTL - MANTLE RESILIENCE PLC
Directorate Change
· RNS
Summary
Lester Kemp will step down from the Board as Executive Director and Head of Exploration and Development effective 18 October 2026 and will continue to support Technology Minerals as a consultant focused on its exploration portfolio; CEO Alex Stanbury publicly thanked him.
Announcement
The information contained within this announcement is deemed to constitute inside information as stipulated under the retained EU law version of the Market Abuse Regulation (EU) No. 596/2014 (the “UK MAR”) which is part of UK law by virtue of the European Union (Withdrawal) Act 2018. The information is disclosed in accordance with the Company’s obligations under Article 17 of the UK MAR. Upon the publication of this announcement, this inside information is now considered to be in the public domain.
16 October 2026
Technology Minerals Plc
(“Technology Minerals” or the “Company”)
Directorate Change
Further to the Company’s prospectus dated 17 July 2026, Technology Minerals Plc (LSE: MNTL), the UK-listed company focused on building national resource and manufacturing resilience which trades as Mantle, confirms that Lester Kemp, Executive Director and Head of Exploration and Development, will step down from the Board to pursue other opportunities with effect from 18 October 2026.
Following his departure from the Board, Lester will continue to support the Company on a consultancy basis, focusing on its exploration portfolio.
Alex Stanbury, Chief Executive Officer of Technology Minerals, said: “On behalf of the Board, I would like to thank Lester for his support and valuable contribution to the Company. Lester has been involved with the business since its formative stages prior to IPO and played an important role in shaping Technology Minerals’ strategy and operations. We are grateful for his commitment and professionalism and look forward to his continued support through his consultancy role.”
Enquiries
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Technology Minerals Plc |
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Alex Stanbury, Chief Executive Officer Nick Bridle, Chief Operating Officer |
c/o +44 (0)20 4582 3500 |
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Oberon Investments Limited |
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Nick Lovering |
+44 (0)20 3179 5300 |
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Gracechurch Group (Financial PR) |
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Harry Chathli, Alexis Gore, Rebecca Scott |
+44 (0)20 4582 3500 |
About Mantle – www.mantleresilience.com
Mantle exists to build and connect the critical sovereign capabilities the UK's security and resilience require. The UK remains dependent on supply chains it does not control and on industrial capacity it cannot always scale at pace. The Company's work is to shorten those chains, to put manufacturing and systems integration onshore, and to give the resulting businesses a credible route into defence, national security and other strategically important markets.
The strategy aligns with the Strategic Defence Review 2025 and supports the UK Government's Critical Minerals Strategy (Vision 2035), including its objectives for greater domestic production and recycling and reduced reliance on single-country supply.
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