KRONOS WORLDWIDE INC — Director's Dealing 2008

Dec 18, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KRONOS WORLDWIDE INC (KRO)
CIK: 0001257640
Period of Report: 2008-12-16

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
2008-12-16	Common Stock $0.01 par value	P	201	$9.44	Acquired	185968	Direct
2008-12-16	Common Stock $0.01 par value	P	400	$9.59	Acquired	186368	Direct
2008-12-16	Common Stock $0.01 par value	P	200	$9.60	Acquired	186568	Direct
2008-12-16	Common Stock $0.01 par value	P	999	$9.75	Acquired	187567	Direct
2008-12-16	Common Stock $0.01 par value	P	100	$9.7499	Acquired	187667	Direct
2008-12-16	Common Stock $0.01 par value	P	100	$9.72	Acquired	187767	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.