In accordance with the position-recommendation DOC-2017-04 and the instruction DOC-2017-03 published by the French Financial Market Authority (Autorite des Marches Financiers, 'AMF') and with the share buyback program in force of Imerys (the 'Company') as published on 4 May 2021 and as authorised by the Ordinary and Extraordinary Shareholders' Meeting of 10 May 2021, transactions being part of the Company's buyback program and carried out from 13 September to 17 September 2021 are reported below, in accordance with Article 5 of Regulation (EU) No 596/2014 of 16 April 2014 on market abuse regulation (excluding transactions carried out under the liquidity contract).

The world leader in mineral-based specialty solutions for industry, with EUR3.8 billion revenue and 16,400 employees in 2020, Imerys delivers high value-added, functional solutions to diversified set of industrial sectors, from processing industries to consumer goods. The Group draws on its knowledge of applications, technological expertise and its material science know-how to deliver solutions based on beneficiation of its mineral resources, synthetic minerals and formulations. These contribute essential properties to customers' products and performance, including refractoriness, hardness, conductivity, opacity, durability, purity, lightness, filtration, absorption and repellency. Imerys is determined to develop responsibly, in particular by fostering the emergence of environmentally-friendly products and processes

Contact:

Vincent Gouley

Tel: + 33 (0)1 49 55 64 69

Email: finance@imerys.com

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