KRONOS WORLDWIDE INC — Director's Dealing 2009

Feb 20, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KRONOS WORLDWIDE INC (KRO)
CIK: 0001257640
Period of Report: 2009-02-18

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
2009-02-18	Common Stock $0.01 par value	P	1000	$13.75	Acquired	193267	Direct
2009-02-18	Common Stock $0.01 par value	P	1000	$13.85	Acquired	194267	Direct
2009-02-20	Common Stock $0.01 par value	P	1000	$12.10	Acquired	195267	Direct
2009-02-20	Common Stock $0.01 par value	P	1000	$12.15	Acquired	196267	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock $0.01 par value	28995021	Indirect
Common Stock $0.01 par value	17595635	Indirect
Common Stock $0.01 par value	5203	Indirect
Common Stock $0.01 par value	49856	Indirect

Footnotes

F1: Directly held by Valhi, Inc. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationship to the reporting person.

F2: 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 reporting person.

F3: Directly held by TIMET Finance Management Company. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationship to the reporting person.

F4: Directly held by the reporting person's spouse. The reporting person disclaims beneficial ownership of any shares of the issuer's common stock that his spouse holds.