Minerals Technologies Inc. (NYSE:MTX) will sponsor a conference call on Friday, April 30 at 11:00 a.m. Eastern Daylight Time to discuss its 2010 first quarter and financial results.

The call is open to the public but active participation will be limited to investors and analysts. The conference call is being webcast by Thomson Reuters 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 Information.

The webcast is also being distributed through the Thomson Reuters StreetEvents Network. Individual investors can listen to the call at www.earnings.com, Thomson Reuters’ individual investor portal, powered by StreetEvents. Institutional investors can access the call via Thomson StreetEvents ( www.streetevents.com), a password-protected event management site.

Minerals Technologies Inc. is a global resource- and technology-based growth company that develops, produces and markets worldwide a broad range of specialty mineral, mineral-based and synthetic mineral products and related systems and services. The company recorded sales of $907.3 million in 2009.

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