RHI Magnesita N.V.

("RHI Magnesita" or the "Company")

Employee Representative Director appointment

The Company has been informed today of an appointment by the Spanish Works Council of an Employee Representative Director.

In accordance with LR 9.6.11 and LR 9.6.13, RHI Magnesita announces that Ms Karin Garcia has been appointed as an Employee Representative Director of the Board, with effect from 9 December 2021, for a four-year term in accordance with the Company's Articles of Association.

No other disclosure obligations arise under paragraphs (1) to (6) of LR 9.6.13 R of the FCA's Listing Rules in respect of this appointment.

For further enquiries, please contact:

Chris Bucknall, Head of Investor Relations

Tel +43 699 1870 6490

E‐mail: [email protected]

About RHI Magnesita

RHI Magnesita is the leading global supplier of high-grade refractory products, systems and solutions which are critical for high-temperature processes exceeding 1,200°C in a wide range of industries, including steel, cement, non-ferrous metals and glass. With a vertically integrated value chain, from raw materials to refractory products and full performance-based solutions, RHI Magnesita serves customers around the world, with around 12,000 employees in 30 main production sites and more than 70 sales offices. RHI Magnesita intends to leverage its leadership in terms of revenue, scale, product portfolio and diversified geographic presence to target strategically those countries and regions benefitting from more dynamic economic growth prospects.

The Group maintains a premium listing on the Official list of the London Stock Exchange (symbol: RHIM) and is a constituent of the FTSE 250 index, with a secondary listing on the Vienna Stock Exchange (Wiener Börse). For more information please visit: www.rhimagnesita.com