Release Details

NEW YORK--(BUSINESS WIRE)--July 16, 2004--Minerals Technologies Inc. (NYSE:MTX) will sponsor a conference call on Friday, July 30, 2004, at 11:00 a.m. Eastern Time to discuss second quarter and financial results.

The company will release its financial results on July 29, 2004 and will host the conference call at 11 a.m. ET the following day. The call is open to the public but active participation will be limited to investors and analysts.

This call is being webcast by CCBN and can be accessed at Minerals Technologies Inc.'s web site at http://www.mineralstech.com. To listen to the call go to the MTI web site and click on Investor Relations and then click on Conference Calls.

The webcast is also being distributed over CCBN's Investor Distribution Network to both institutional and individual investors. Individual investors can listen to the call through CCBN's individual investor center at www.companyboardroom.com or by visiting any of the investor sites in CCBN's Individual Investor Network such as America Online's Personal Finance Channel, Fidelity Investments(R) (Fidelity.com) and others. Institutional investors can access the call via CCBN's password-protected event management site, StreetEvents (www.streetevents.com). StreetEvents allows institutional investors to identify, organize, and track the hundreds of conference calls that occur each day during earnings season, to download events of interest to their Outlook calendar, and to RSVP to events online.

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. The company reported sales of $813.7 million in 2003.

    CONTACT: Minerals Technologies Inc.
             Rick B. Honey, 212-878-1831

    SOURCE: Minerals Technologies Inc.