KRONOS WORLDWIDE INC — Director's Dealing 2012

Dec 21, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KRONOS WORLDWIDE INC (KRO)
CIK: 0001257640
Period of Report: 2012-12-20

Reporting Person: SIMMONS HAROLD C (Director, Chairman of the Board, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-12-20	Common stock, $0.01 par value per share	J	373334	—	Disposed	0	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common stock, $0.01 par value per share	777840	Direct
Common stock, $0.01 par value per share	882876	Indirect
Common stock, $0.01 par value per share	57990042	Indirect
Common stock, $0.01 par value per share	35219270	Indirect
Common stock, $0.01 par value per share	5372	Indirect

Footnotes

F1: See Exhibit 99.1 - Description of Transaction

F2: Directly held by TIMET Finance Management Company. See the Additional Information filed as Exhibit 99.2 to this statement for a description of the relationship among the reporting persons.

F3: Directly held by Annette C. Simmons. See the Additional Information filed as Exhibit 99.2 to this statement for a description of the relationship among the reporting persons.

F4: Directly held by Valhi, Inc. See the Additional Information filed as Exhibit 99.2 to this statement for a description of the relationship among the reporting persons.

F5: Directly held by NL Industries, Inc. See the Additional Information filed as Exhibit 99.2 to this statement for a description of the relationship among the reporting persons.

F6: Directly held by Contran Corporation.. See the Additional Information filed as Exhibit 99.2 to this statement for a description of the relationship among the reporting persons.