KRONOS WORLDWIDE INC — Director's Dealing 2007

Nov 7, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KRONOS WORLDWIDE INC (KRO)
CIK: 0001257640
Period of Report: 2007-11-06

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-11-06	Common Stock $0.01 par value	P	500	$16.72	Acquired	39618	Direct
2007-11-06	Common Stock $0.01 par value	P	100	$16.71	Acquired	39718	Direct
2007-11-06	Common Stock $0.01 par value	P	1900	$17.1	Acquired	41618	Direct
2007-11-06	Common Stock $0.01 par value	P	300	$17	Acquired	41918	Direct
2007-11-06	Common Stock $0.01 par value	P	100	$17.38	Acquired	42018	Direct
2007-11-06	Common Stock $0.01 par value	P	2100	$17.4	Acquired	44118	Direct
2007-11-06	Common Stock $0.01 par value	P	300	$17.19	Acquired	44418	Direct
2007-11-06	Common Stock $0.01 par value	P	100	$17.2	Acquired	44518	Direct
2007-11-06	Common Stock $0.01 par value	P	800	$17.35	Acquired	45318	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock $0.01 par value	28995021	Indirect
Common Stock $0.01 par value	17516132	Indirect
Common Stock $0.01 par value	5203	Indirect
Common Stock $0.01 par value	36356	Indirect

Footnotes

F1: Directly held by Valhi, Inc. See the Additional Information filed as Exhibit 99 to this statement for a description of the
relationships among the persons joining in this filing.

F2: Directly held by NL Industries, Inc. See the Additional Information filed as Exhibit 99 to this statement for a description
of the relationships among the persons joining in this filing.

F3: Directly held by TIMET Finance Management Company. See the Additional Information filed as Exhibit 99 to this statement for
a description of the relationships among the persons joining in this filing.

F4: Directly held by the Reporting Person's spouse. The Reporting Person disclaims beneficial ownership of these shares.