Imerys to appoint new Chief Financial Officer early 2026

PRESS RELEASE

PARIS, NOVEMBER 5, 2025

Imerys to appoint new Chief Financial Officer early 2026

Sébastien Rouge, Imerys Chief Financial Officer, has decided to leave the Group to take up a new professional opportunity. He will remain in his role until the beginning of 2026 to ensure a smooth transition, continuing to oversee the Group’s financial operations and reporting. His successor will be appointed early 2026.

Alessandro Dazza, CEO of the Group, and the entire Board of Directors, thank Sébastien for his contribution to the development of Imerys over the past 5 years. He leaves behind a strong team and a solid foundation for the future to continue executing the Group’s strategy and operational priorities.

Imerys is the world’s leading supplier of mineral-based specialty solutions for the industry with €3.6 billion in revenue and 12,400 employees in 46 countries in 2024. The Group offers high value-added and functional solutions to a wide range of industries and fast-growing markets such as solutions for the energy transition and sustainable construction, as well as natural solutions for consumer goods. Imerys draws on its understanding of applications, technological knowledge, and expertise in material science to deliver solutions which contribute essential properties to customers’ products and their performance. As part of its commitment to responsible development, Imerys promotes environmentally friendly products and processes in addition to supporting its customers in their decarbonization efforts.

Imerys is listed on Euronext Paris (France) with the ticker symbol NK.PA.

More comprehensive information about Imerys may be obtained from its website (www.imerys.com) in the Regulated Information section, particularly in its Registration Document filed with the French financial markets authority (Autorité des marchés financiers, AMF) on March 26, 2025 under number D.25-0161 (also available from the AMF website, www.amf-france.org). Imerys draws investors’ attention to chapter 2 “Risk Factors and Internal Control” of its Registration Document.

Disclaimer: This document contains projections and other forward-looking statements. Investors should be aware that such projections and forward-looking statements are subject to various risks and uncertainties (many of which are difficult to predict and generally beyond the control of Imerys) that could cause actual results and developments to differ materially from those expressed or implied.

1

Analyst/Investor Relations: 

Cyrille Arhanchiague : +33 (0)6 07 16 67 26  finance@imerys.com

Press contacts:

Mathieu Gratiot : +33 (0)7 87 53 46 60

Hugues Schmitt (Primatice) : + 33 (0)6 71 99 74 58

Olivier Labesse (Primatice) : + 33 (0)6 79 11 49 71

2