KRONOS WORLDWIDE, INC. Contact: Gregory M. Swalwell Three Lincoln Centre Vice President, Finance and Chief 5430 LBJ Freeway, Suite 1700 Financial Officer Dallas, Texas 75240-2697 (972) 233-1700 - ------------------------------------------------------------------------------- PRESS RELEASE - ------------------------------------------------------------------------------- (LOGO GOES HERE) FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES 2004 FOURTH QUARTER DIVIDEND DALLAS, TEXAS - October 21, 2004 - Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declared a regular quarterly dividend of twenty five cents ($0.25) per share on its common stock, payable on December 29, 2004 to stockholders of record at the close of business on December 10, 2004. Kronos Worldwide, Inc. is a major international producer of titanium dioxide pigments.