RHI Magnesita Regulatory News (RHIM)

RHI Magnesita N.V.

("RHI Magnesita" the "Company" or the "Group")

Total Voting Rights

In accordance with DTR 5.6 of the FCA's Disclosure Guidance and Transparency Rules and Article 15 of the EU's Transparency Directive, RHI Magnesita announces that, as at 31 December 2024, its issued share capital consisted of 47,195,936 ordinary shares and 2,281,769 ordinary shares held in treasury.

Excluding the 2,281,769 ordinary shares held in treasury, RHI Magnesita has shares in issue with aggregate voting rights of 47,195,936.

The above figure (47,195,936) may be used by shareholders (and others with notification obligations) as the denominator for the calculation by which they will determine if they are required to notify their interest in, or a change to their interest in, RHI Magnesita under the FCA's Disclosure Guidance and Transparency Rules.

For further enquiries please contact:

Chris Bucknall, Head of Investor Relations

Tel: +43 699 1870 6490

Email: chris.bucknall@rhimagnesita.com

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 22,000 employees in 47 main production sites, 9 recycling facilities 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 is listed within the Equity Shares (Commercial Companies) category ("ESCC") of 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