KRONOS WORLDWIDE INC — Director's Dealing 2008

Dec 24, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KRONOS WORLDWIDE INC (KRO)
CIK: 0001257640
Period of Report: 2008-12-22

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
2008-12-22	Common Stock $0.01 par value	P	1743	$9.00	Acquired	189510	Direct
2008-12-22	Common Stock $0.01 par value	P	157	$8.97	Acquired	189667	Direct
2008-12-22	Common Stock $0.01 par value	P	100	$8.99	Acquired	189767	Direct
2008-12-23	Common Stock $0.01 par value	P	387	$8.96	Acquired	190154	Direct
2008-12-23	Common Stock $0.01 par value	P	613	$8.98	Acquired	190767	Direct
2008-12-24	Common Stock $0.01 par value	P	500	$9.17	Acquired	191267	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.