Imerys — Report Publication Announcement 2010

Apr 1, 2011

Paris, April 1st, 2011

2010 REGISTRATION DOCUMENT

Annual Financial Report - Reports on Corporate Governance and Internal Control Statutory Auditors' Fees

Imerys filed its 2010 Registration Document, including the Annual Financial Report, with Autorité des Marchés Financiers (AMF) on March 31, 2011.

The Registration Document is available to the public free of charge under the conditions provided by applicable regulations and may be consulted on the Group's website www.imerys.com in the Our Group / Publications & Regulated Information / Annual Report section, as well as on the AMF's website (www.amf-france.org).

Information on the fees paid to the statutory auditors in 2010, the report of the Chairman of the Board of Directors on corporate governance and on internal control and risk management procedures, as well as the related auditors' report, are included in the 2010 Registration Document.

The English version of the 2010 Registration Document will be available in the next few days on the Group's website.

The world leader in adding value to minerals, Imerys is active in 47 countries through more than 240 industrial and commercial sites. The Group achieved more than €3.3 billion in sales in 2010. Imerys develops solutions that improve its customers' product performance and manufacturing efficiency, thanks to minerals it mines and processes from reserves with rare qualities. The Group's products have a great many applications in everyday life, including construction, personal care, paper, paint, plastic, ceramics, telecommunications, beverage, filtration, etc.

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Analyst/Investor Relations: Pascale Arnaud – +33 (0)1 49 55 63 23 shareholders@imerys.com

Press contacts: Pascale Arnaud – +33 (0)1 49 55 63 91 /66 55 Matthieu Roquet-Montégon – +33 (0)6 16 92 80 65