X0303 4 2011-03-08 0001011657 TITANIUM METALS CORP TIE 0001037854 SIMMONS HAROLD C 5430 LBJ FREEWAY, SUITE 1700 DALLAS TX 75240 1 1 1 0 Chairman of the Board 0000024240 CONTRAN CORP 5430 LBJ FREEWAY, SUITE 1700 DALLAS TX 75240 0 0 1 0 0001338019 VALHI HOLDING CO 5430 LBJ FREEWAY, SUITE 1700 DALLAS TX 75240 0 0 1 0 0001074787 DIXIE RICE AGRICULTURE CORP INC 5430 LBJ FREEWAY, SUITE 1700 DALLAS TX 75240 0 0 1 0 Common Stock, $.01 par value 2011-03-08 4 J 0 1737 17.88 A 2837037 I by Kronos Common Stock, $.01 par value 2011-03-08 4 J 0 187163 17.87 A 3024200 I by Kronos Common Stock, $.01 par value 2011-03-08 4 J 0 1100 17.86 A 3025300 I by Kronos Common Stock, $.01 par value 44878081 I by VHC Common Stock, $.01 par value 21825875 I by Spouse Common Stock, $.01 par value 5628787 D Common Stock, $.01 par value 882568 I by NL Common Stock, $.01 par value 826959 I by Valhi Common Stock, $.01 par value 557355 I by Contran Common Stock, $.01 par value 566529 I by NL EMS Open market purchase by Kronos Worldwide, Inc. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationships to the persons joining in this filing. Directly held by Kronos Worldwide, Inc. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationships to the persons joining in this filing. Directly held by Valhi Holding Company. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationships to the persons joining in this filing. Directly held by the reporting person's spouse. Mr. Simmons disclaims beneficial ownership of any shares of the issuer's common stock that his spouse holds. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationships to the persons joining in this filing. Directly held by NL Industries, Inc. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationships to the persons joining in this filing. Directly held by Valhi, Inc. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationships to the persons joining in this filing. Directly held by Contran Corporation. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationships to the persons joining in this filing. Directly held by NL Environmental Management Services, Inc. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationships to the persons joining in this filing. Exhibit Index Exhibit 99 - Additional Information A. Andrew R. Louis, Attorney-in-fact, for Harold C. Simmons 2011-03-08 A. Andrew R. Louis, Secretary, for Contran Corporation 2011-03-08 A. Andrew R. Louis, Secretary, for Valhi Holding Company 2011-03-08 A. Andrew R. Louis, Secretary, for Dixie Rice Agricultural Corporation, Inc. 2011-03-08