X0303 4 2010-04-12 0001011657 TITANIUM METALS CORP TIE 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 0001302221 Simmons Annette C 5430 LBJ FREEWAY, SUITE 1700 DALLAS TX 75240 0 0 1 0 0001037854 SIMMONS HAROLD C 5430 LBJ FREEWAY, SUITE 1700 DALLAS TX 75240 1 1 1 0 Chairman of the Board Common Stock, $.01 par value 2010-04-12 5 P 0 150000 16.94 A 150000 D Common Stock, $.01 par value 2010-04-12 4 J 0 150000 16.94 D 46888436 I by VHC Common Stock, $.01 par value 882588 I by NL Common Stock, $.01 par value 826959 I by Valhi Common Stock, $.01 par value 566529 I by NL EMS Purchase by Contran Corporation from its subsidiary, Valhi Holding Company. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationships among the persons joining in this filing. Directly owned by Valhi Holding Company. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationship among the persons joining in this filing. Directly owned 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 owned 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 owned 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. Harold C. Simmons and his wife own 7,421,787 and 21,575,875 shares, respectively, of the common stock of the issuer. A trust of which Mr. Simmons and his wife are trustees and the beneficiaries of which are the grandchildren of his wife owns 15,432 shares of the common stock of the issuer. Mr. Simmons and his wife each disclaims beneficial ownership of, and a pecuniary interest in, the shares of the issuer's common stock that his or her spouse owns or this trust owns. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationships Mr. Simmons and his wife have to the other reporting persons. Exhibit Index Exhibit 99 - Additional Information A. Andrew R. Louis, Secretary, for Contran Corporation 2010-04-14 A. Andrew R. Louis, Secretary, for Valhi Holding Company 2010-04-14 A. Andrew R. Louis, Secretary, for Dixie Rice Agricultural Corporation, Inc. 2010-04-14 A. Andrew R. Louis, Attorney-in-fact, for Annette C. Simmons 2010-04-14 A. Andrew R. Louis, Attorney-in-fact, for Harold C. Simmons 2010-04-14