Release Details

NEW YORK, July 27—Minerals Technologies Inc. (NYSE: MTX) today declared a regular quarterly dividend of $0.05 per share on the company's common stock. The dividend is payable on September 15, 2005 to stockholders of record on September 2, 2005.

Minerals Technologies Inc. is a global resource- and technology-based growth company that develops produces and markets the highest quality performance-enhancing minerals and related products, systems and services. MTI serves the paper, steel, polymer and other manufacturing industries. The company reported sales of $923.7 million in 2004.

For further information about Minerals Technologies Inc. look on the internet at http://www.mineralstech.com/

Contact:
Rick Honey (212) 878-1831