Business
Management Change
Arc Minerals Limited announced a significant management change with the appointment of Rémy Welschinger as Chief Executive Officer, effective January 2, 2026, succeeding Nick von Schirnding who will transition to Non-executive Chairman. Welschinger, currently a Non-Executive Director and formerly CFO of Arc, brings experience from Deutsche Bank and Morgan Stanley in commodities, and currently serves as President of Viridian Lithium SAS. This leadership transition occurs as the company regains control of key copper exploration tenements in Africa. Disclaimer*

About this update from Arc Minerals Limited
19 December 2025, 07:00 UTC Arc Minerals Ltd ('Arc' or the 'Company') Management Change Arc Minerals (LSE:ARCM) is pleased to announce the appointment of Rémy Welschinger as the Company's new Chief Executive Officer (CEO). Rémy, who is currently a Non-Executive Director of the Company will take up the role of Executive Director and CEO with effect from 2 January 2026. Nick von Schirnding, current Executive Chairman will transition to becoming Non-executive Chairman of the Company, from the same date thereby ensuring an orderly handover process. Rémy is President of Viridian Lithium SAS, an industrial company based in France. Prior to this, Rémy was Chief Financial Officer (CFO) of Arc and started his career working for Deutsche Bank and Morgan Stanley in commodities. Nick von Schirnding commented: "I am very pleased that Rémy will be taking over as CEO as we chart a new course following Arc taking back control of what are widely regarded as some of the best copper exploration tenements in Africa." For further information contact: Arc Minerals Ltd Nick von Schirnding (Executive Chairman) [email protected] Zeus Capital Ltd ( Nominated Adviser & Joint Broker) Katy Mitchell/Harry Ansell Tel: +44 (0) 20 3829 5000 Shard Capital Partners LLP (Joint Broker) Damon Heath Tel: +44 (0) 20 7186 9952 For more information, visit www.arcminerals.com . *ENDS**
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