Imerys Minerals Ltd.

IMERYS Performance Minerals North America Announces Price Increase for Calcium Carbonate, Kaolin, and Mica Products

Atlanta, GA, October 15, 2010 – Imerys Performance Minerals North America announces 6-10% price increases across their mineral portfolio, subject to any provisions in individual contracts. The increase includes calcium carbonate, kaolin, and mica products and is effective December 1, 2010, or as current price agreements expire.

Imerys Performance Minerals continues to incur significant escalation in mining, regulatory, fuel, power, chemical, and packaging costs. Despite success with ongoing programs to improve productivity and manage overall costs, this price increase is required to invest in new products, technology, and people. As a market leader in mineral products, Imerys is committed to offering its customers cost-effective and value-adding solutions to numerous formulations.

IMERYS, a global leader in adding value to minerals, is the world’s leading producer of industrial performance minerals. The Performance Minerals North America portfolio includes calcium carbonate, mica, and kaolin products which are used in a wide variety of demanding industrial & consumer applications such as building & construction, plastics, rubber, coatings, adhesives, caulks, sealants, and personal care. For more information concerning Imerys Performance Minerals North America, please visit www.imerys-perfmins.com/usa.