PRESS RELEASE

PARIS, JUNE 29, 2017

Imerys enlarges its specialty offering in high-purity zirconia with the acquisition of a leading producer in China

Imerys has signed an agreement to buy Zhejiang Zr-Valley Science & Technology Co, a leading producer of zirconium oxychloride and high-purity zirconia in China. This company operates a research center and a manufacturing plant with a revenue of ca. CNY220 million (€29 million) and 460 employees.

Following this deal, Imerys, which is the world leader in fused zirconia, will extend its range of technologies and processes, and enlarge its zirconia specialty offering, in particular to new products based on high-purity zirconia for advanced ceramics (3D-pigments, electronics,…).

The closing of this transaction is expected during the third quarter of 2017. This business will be consolidated in the Fused Minerals division, which is part of the High Resistance Minerals business group.

The world leader in mineral-based specialty solutions for industry, with €4.2 billion revenue and close to 16,000 employees, Imerys delivers high value-added, functional solutions to a great number of 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 resources 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. More comprehensive information about Imerys may be obtained from its website (www.imerys.com) under Regulated Information, particularly in its Registration Document filed with Autorité des marchés financiers on March 21, 2017 under number D.17-0190 (also available from the Autorité des marchés financiers website, www.amf-france.org). Imerys draws the attention of investors to chapter 4, "Risk Factors and Internal Control", of its Registration Document.

Analyst / Investor Relations:

Press contacts:

Vincent Gouley - +33 (0)1 4955 6469

finance@imerys.com

Vincent Gouley - +33 (0)1 4955 6469

Philémon Tassel - +33 (0)6 3010 9611

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