Share buyback programme of up to EUR 50 million

RHI Magnesita N.V.

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

Share buyback programme of up to €50 million

RHI Magnesita N.V. (the "Company") announces that on 19 March 2021 it purchased the following number of its ordinary shares, represented by depositary interests, of one euro each pursuant to its €50 million share repurchase programme, details of which were announced on 16 December 2020 (the "Programme").

Description of shares: RHI Magnesita N.V. - ordinary shares represented by depositary interests of one euro nominal value each

Number of shares repurchased: 18,700

Date of transaction: 19 March 2021

Time of transaction: 08.02 - 16.29

Volume weighted average price paid per share: 3948.26 pence

Lowest price paid per share: 3926.00 pence

Highest price paid per share: 3966.00 pence

Venue: XLON                                                                                               

Broker: Barclays Bank Ireland PLC

Total number of shares repurchased pursuant to the Programme to date: 818,322

The Company intends to hold the purchased shares in treasury. Following the purchase of these shares, the remaining number of ordinary shares in issue will be 48,259,383 (excluding treasury shares), and the Company will hold 1,218,322 ordinary shares in Treasury.

The figure of 48,259,383 may be used by shareholders (and others with notification obligations) as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the Disclosure Guidance and Transparency Rules.

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 (the Market Abuse Regulation) and Article 10(5)(a)(i) of the Market Abuse (Amendment) (EU Exit) Regulations 2019, detailed information about the individual purchases is available through the link below:

http://www.rns-pdf.londonstockexchange.com/rns/9345S_1-2021-3-19.pdf

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