Imerys

Transaction in Own Shares • Mar 31, 2021

PRESS RELEASE

March 31, 2021

Termination of the existing liquidity contract and implementation of a new liquidity contract

Imerys has terminated, with effect from today, the liquidity contract relating to Imerys shares (ISIN code FR0000120859) admitted to trading on Euronext Paris concluded with Rothschild Martin Maurel.

As of the termination date, the following resources appeared on the liquidity account:

• 0 share;
• €12,691,283.98.

From January 1 to March 31, 2021, a total of 58 buy transactions and 59 sell transactions were executed under this liquidity contract. This represents 190,905 shares bought (€8,012,506.91) and 190,905 shares sold (€8,017,579.08).

It is recalled that on the date of signature of the aforementioned liquidity contract, the following resources appeared in the liquidity account:

• 0 share;
• €14,000,000.00.

The termination of the liquidity contract with Rothschild Martin Maurel follows Imerys's wish to change the investment services provider for maintaining liquidity of the market and managing its liquidity contract.

As of April 12, 2021, for an initial period ending on December 31, 2021 and then renewable for successive periods of twelve months, Imerys entrusted Exane, a French public limited company having its registered office at 6 rue Ménars, 75002, Paris and registered with the Paris trade and companies register under number 342 040 268, the implementation of a liquidity contract relating to Imerys shares (ISIN code FR0000120859) admitted to trading on Euronext Paris.

The following resources have been credited to the liquidity account:

• 0 share
• €5,000,000.00.

The new liquidity contract has been drawn up in accordance with applicable regulations, in particular the Autorités de Marches FInanciers (AMF) Decision No. 2018-01 of 2 July 2018.

This new liquidity contract shall be suspended under the conditions set forth in the article 5 of the above-mentioned AMF Decision. It shall also be suspended upon Imerys' request and for such requested period as well as upon the occurrence of the following circumstances : (i) when all conditions provided in Article 5 of the above-mentioned AMF Decision are met, (ii) in the event the number of Imerys's shares that are being held equal to the maximum decided by the Imerys Shareholders' General Meeting, taking into account in particular the shares already held by the Imerys Shareholders' General Meeting pursuant to article L. 225-210 of the French Commercial Code, (iii) if the share is listed outside the thresholds authorized by the Company's Shareholders' Meeting, (iv) upon expiration or suspension of the Imerys Shareholders' General Meeting authorization to purchase own shares.

Finally, this contract may be terminated at any time by Imerys without prior notice or by Exane, subject to a 1-month prior notice.

The world leader in mineral-based specialty solutions for industry, with €3.8 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.

Analyst / Investor Relations Vincent Gouley - +33 (0)1 4955 6469 finance@imerys.com

Press contacts Claire Lauvernier : +33 (0)1 4955 6665 Hugues Schmitt (DGM Conseil) : +33 (0)1 4070 1189