RHI MAGNESITA N.V. โ Board Changes Ceo SuccessionRNS Number : 0299R RHI Magnesita N.V. 18 August 2026 ย 18 August 2026 RHI Magnesita N.V. (“RHI Magnesita” or the “Company” or “Group”) ย Board Changes – CEO Succession ย RHI Magnesita today announces that Stefan Borgas will step down as CEO and Executive Director of the Company with effect from 31 October 2026…