Notification of Agreement

RHI Magnesita N.V.

("RHI Magnesita" or the "Company")

Notification of Agreement

As announced previously, the Company continues to consider a potential transaction involving Kumas Manyezit Sanayi AS, and the Company has now signed a non-binding letter of intent ("Letter of Intent") with the sellers, Yıldız Holding A.Ş and Gözde Girişim Sermayesi Yatırım Ortaklığı A.Ş. The Letter of Intent allows, in particular, the Company to commence the competition clearance process and other regulatory filings.

There can be no certainty that any transaction will occur. A further announcement will be made as appropriate.

This announcement contains inside information for the purposes of the Market Abuse Regulation (596/2014/EU).

For further enquiries, please contact:

Guy Marks, Head of Investor Relations

Tel +44 7932 013 357

E‐mail: guy.marks@rhimagnesita.com

About RHI Magnesita

RHI Magnesita is the global leading supplier of high-grade refractory products, systems and solutions which are indispensable for industrial 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 more than 10,000 customers in nearly all countries around the world. The Company has broad geographic diversification with more than 14,000 employees in 35 main production sites and more than 70 sales offices. RHI Magnesita intends to use its global leadership position in terms of revenue, greater scale, complementary product portfolio and diversified geographic presence around the world to target opportunistically those countries and regions benefitting from more dynamic economic growth prospects.

Its shares have a premium listing on the London Stock Exchange (symbol: RHIM) and are a constituent of the FTSE 250 index. For more information please visit: www.rhimagnesita.com