Release Details

Minteq International Acquires RIJNSTALL B.V.

September 24, 2001

NEW YORK, September 24--Minerals Technologies Inc. (NYSE: MTX) announced today that MINTEQ International Inc., a wholly owned subsidiary, has purchased all of the outstanding shares of Rijnstaal B.V., a Netherlands-based producer of cored metal wires used mainly in the steel and foundry industries. Rijnstaal B.V. reported sales of approximately $17 million in 2000, of which roughly half were realized in the United States.

"Rijnstaal has developed a 'middle market' calcium-containing cored wire that will complement MINTEQ's high-end PFERROCAL® Lance Injection System," said Paul R. Saueracker, president and chief executive officer of Minerals Technologies. "This acquisition will broaden MINTEQ's product offering and market coverage in the steel industry, and continues our strategy of growth through selective acquisitions. We expect this acquisition to be accretive to earnings per share in the first year of operation."

Anton Dulski, president of MINTEQ and chief operating officer of Minerals Technologies, said: "We expect to gain economies in raw material purchasing, distribution and administration by combining Rijnstaal's operation with MINTEQ. The Rijnstaal facility in Hengelo, Netherlands, provides an excellent base from which to expand further our growing European business."

Minerals Technologies is a global resource- and technology-based company that develops and produces performance enhancing minerals and other products for the paper, steel, polymer and other manufacturing industries.