X0305 4 2012-05-17 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 0001302221 Simmons Annette C 5430 LBJ FREEWAY, SUITE 1700 DALLAS TX 75240 0 0 1 0 Common Stock, $.01 par value 2012-05-17 4 A 0 1000 A 5630787 D Common Stock, $.01 par value 41878081 I by VHC Common Stock, $.01 par value 21856875 I by Spouse Common Stock, $.01 par value 4245769 I by Kronos Common Stock, $.01 par value 3447355 I by Contran Common Stock, $.01 par value 882568 I by NL Common Stock, $.01 par value 826959 I by Valhi Common Stock, $.01 par value 566529 I by NL EMS Common Stock, $.01 par value 14132 I by Trust Shares issued for no cash consideration to directors under the Titanium Metals Corporation 2008 Long-Term Incentive Plan. Directly held by Valhi Holding Company. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationship to the persons joining in this filing. Directly held by the reporting person's spouse. The reporting person disclaims beneficial ownership of these shares . Directly held by Kronos Worldwide, Inc. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationship 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 relationship 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 relationship 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 relationship 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 relationship to the persons joining in this filing. Directly held by The Annette Simmons Grandchildren's Trust. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationship to the persons joining in this filing. Exhibit Index: Exhibit 99 Additional Information A. Andrew R. Louis, Attorney-in-fact, for Harold C. Simmons 2012-05-17 A. Andrew R. Louis, Attorney-in-fact, for Annette C. Simmons 2012-05-17