KRONOS WORLDWIDE INC — Director's Dealing 2007

Nov 20, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KRONOS WORLDWIDE INC (KRO)
CIK: 0001257640
Period of Report: 2007-11-20

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
2007-11-20	Common Stock $0.01 par value	P	100	$15.25	Acquired	84918	Direct
2007-11-20	Common Stock $0.01 par value	P	300	$15.37	Acquired	85218	Direct
2007-11-20	Common Stock $0.01 par value	P	200	$15.39	Acquired	85418	Direct
2007-11-20	Common Stock $0.01 par value	P	3375	$15.4	Acquired	88793	Direct
2007-11-20	Common Stock $0.01 par value	P	600	$15.46	Acquired	89393	Direct
2007-11-20	Common Stock $0.01 par value	P	1400	$15.47	Acquired	90793	Direct
2007-11-20	Common Stock $0.01 par value	P	400	$15.48	Acquired	91193	Direct
2007-11-20	Common Stock $0.01 par value	P	100	$15.51	Acquired	91293	Direct
2007-11-20	Common Stock $0.01 par value	P	400	$15.52	Acquired	91693	Direct
2007-11-20	Common Stock $0.01 par value	P	200	$15.53	Acquired	91893	Direct
2007-11-20	Common Stock $0.01 par value	P	1000	$15.5499	Acquired	92893	Direct
2007-11-20	Common Stock $0.01 par value	P	400	$15.55	Acquired	93293	Direct
2007-11-20	Common Stock $0.01 par value	P	2900	$15.57	Acquired	96193	Direct
2007-11-20	Common Stock $0.01 par value	P	100	$15.58	Acquired	96293	Direct
2007-11-20	Common Stock $0.01 par value	P	74	$15.6	Acquired	96367	Direct
2007-11-20	Common Stock $0.01 par value	P	300	$15.62	Acquired	96667	Direct
2007-11-20	Common Stock $0.01 par value	P	751	$15.65	Acquired	97418	Direct
2007-11-20	Common Stock $0.01 par value	P	100	$15.75	Acquired	97518	Direct
2007-11-20	Common Stock $0.01 par value	P	200	$15.76	Acquired	97718	Direct
2007-11-20	Common Stock $0.01 par value	P	500	$15.78	Acquired	98218	Direct
2007-11-20	Common Stock $0.01 par value	P	1600	$15.8	Acquired	99818	Direct
2007-11-20	Common Stock $0.01 par value	P	100	$15.81	Acquired	99918	Direct
2007-11-20	Common Stock $0.01 par value	P	1000	$15.82	Acquired	100918	Direct
2007-11-20	Common Stock $0.01 par value	P	920	$15.85	Acquired	101838	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.