KRONOS WORLDWIDE INC — Director's Dealing 2011

Sep 14, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KRONOS WORLDWIDE INC (KRO)
CIK: 0001257640
Period of Report: 2011-09-14

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
2011-09-14	Common Stock $0.01 par value	P	4901	$18.905	Acquired	114613	Indirect
2011-09-14	Common Stock $0.01 par value	P	5099	$18.91	Acquired	119712	Indirect
2011-09-14	Common Stock $0.01 par value	P	7400	$18.93	Acquired	127112	Indirect
2011-09-14	Common Stock $0.01 par value	P	1400	$18.935	Acquired	128512	Indirect
2011-09-14	Common Stock $0.01 par value	P	800	$18.94	Acquired	129312	Indirect
2011-09-14	Common Stock $0.01 par value	P	400	$18.95	Acquired	129712	Indirect
2011-09-14	Common Stock $0.01 par value	P	5000	$18.98	Acquired	134712	Indirect
2011-09-14	Common Stock $0.01 par value	P	1500	$18.985	Acquired	136212	Indirect
2011-09-14	Common Stock $0.01 par value	P	2600	$18.99	Acquired	138812	Indirect
2011-09-14	Common Stock $0.01 par value	P	5900	$19.00	Acquired	144712	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock $0.01 par value	57990042	Indirect
Common Stock $0.01 par value	35219270	Indirect
Common Stock $0.01 par value	518440	Direct
Common Stock $0.01 par value	373334	Indirect
Common Stock $0.01 par value	5372	Indirect

Footnotes

F1: Open market purchase by the reporting person's spouse.

F2: 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.

F3: 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.

F4: 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.

F5: 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.

F6: Directly held by Contran Corporation. See the Additional Information filed as Exhibit 99 to this statement for a description of the relationship to the reporting person.