Rockwood Pigments Finalizes Distribution Agreement with W.R. Grace

BELTSVILLE, MARYLAND (August 11, 2003) -- Rockwood Pigments NA, Inc., a subsidiary of Rockwood Specialties Group, Inc., announced the signing of an agreement with Grace Construction Products, a business unit of W.R. Grace & Co. ("Grace"), under which Rockwood will supply and Grace will distribute Rockwood's liquid pigments sold under the brand name Davis Colors™. Davis Colors is the flagship brand of Rockwood Pigments and the leading U.S. producer of color additives and automatic color handling systems for ready mix concrete.

The agreement creates an alliance in which Grace, a worldwide leading supplier of products and services for the construction industry, will distribute Davis Colors' Hydrotint® liquid color and Chameleon™ liquid color dispensing systems to ready mix and precast producers in North America.

"We feel the Grace/Davis alliance is a win for Rockwood, Grace and the ready mix and precast producers throughout North America," commented Nick Paris, V.P. of Marketing for Davis Colors. "The combination of our expertise in automatic color systems and pigment manufacturing with Grace's extensive support network and admixture know-how will present customers with a compelling reason to choose the Grace/Davis alliance for their color requirements.

Expanding the distribution and support network for Davis’ Chameleon™ and Hydrotint® product lines will bring about a more rapid and widespread demand for new developments in colored concrete. “We will continue to focus on servicing our existing customers and accelerating the development of new technologies for the Chameleon™ platform while Grace focuses on new market opportunities. We are also very confident that the alliance will allow for increased availability of concrete colors throughout the U.S. and Canada,” stated Paris.

Headquartered in Cambridge, Massachusetts, Grace Construction Products, a business unit of W.R. Grace & Co. (NYSE: GRA), is a world-leading manufacturer of technically superior concrete admixtures and fiber reinforcement that make concrete stronger, longer lasting, crack resistant, stress resistant and cost efficient. Grace also manufactures products for architectural concrete, cement processing additives, fire protection, fire stops, waterproofing and masonry products, and has more than 125 plants and sales offices around the world. For more information about Grace’s product line, customers can contact their local Grace representatives or visit the web site at www.graceconstruction.com.

Rockwood Pigments is the leading U.S. producer of color additives and automatic color handling systems for ready mix concrete and other products made of concrete and sold under the Davis Colors flagship brand. Headquartered in Beltsville, Maryland, Rockwood Pigments NA, Inc. is a subsidiary of Rockwood Specialties Group, Inc. and part of its Pigments division, is one of the largest iron oxide pigment manufacturers in the world, with operations in North America, Europe and the Far East. Visit the company web site at www.daviscolors.com.

Rockwood Specialties Group, Inc., headquartered in Princeton, New Jersey, USA, is a leading global specialty chemical company focusing on niche segments of the specialty chemical market, including additives, specialty compounds, electronic chemicals, materials and services. Rockwood Specialties maintains operations in North America, Europe and Asia with a workforce of over 2,500 employees. For more information on Rockwood and its divisions, please visit www.rockwoodspecialties.com.

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