KRONOS WORLDWIDE INC — Director's Dealing 2012

Jul 24, 2012

SEC Form 4/A — Form 4/A

Issuer: KRONOS WORLDWIDE INC (KRO)
CIK: 0001257640
Period of Report: 2010-07-07

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
2010-07-07	Common Stock $0.01 par value	P	53	$18.90	Acquired	244462	Direct
2010-07-07	Common Stock $0.01 par value	P	100	$18.9999	Acquired	244562	Direct
2010-07-07	Common Stock $0.01 par value	P	300	$19.00	Acquired	244862	Direct
2010-07-07	Common Stock $0.01 par value	P	100	$19.19	Acquired	244962	Direct
2010-07-07	Common Stock $0.01 par value	P	400	$19.20	Acquired	245362	Direct
2010-07-07	Common Stock $0.01 par value	P	1400	$19.29	Acquired	246762	Direct
2010-07-07	Common Stock $0.01 par value	P	818	$19.50	Acquired	247580	Direct
2010-07-09	Common Stock $0.01 par value	P	5000	$19.25	Acquired	252580	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock $0.01 par value	28995021	Indirect
Common Stock $0.01 par value	17609635	Indirect
Common Stock $0.01 par value	79567	Indirect
Common Stock $0.01 par value	54856	Indirect
Common Stock $0.01 par value	2686	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, and a pecuniary interest in, any shares of the issuer's common stock that his spouse holds.

F5: 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.