KRONOS WORLDWIDE INC — Director's Dealing 2009

Oct 19, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KRONOS WORLDWIDE INC (KRO)
CIK: 0001257640
Period of Report: 2009-10-15

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
2009-10-15	Common Stock $0.01 par value	P	1000	$13.1999	Acquired	215483	Direct
2009-10-19	Common Stock $0.01 par value	J	500	$12.8799	Acquired	52356	Indirect
2009-10-19	Common Stock $0.01 par value	J	100	$12.85	Acquired	52456	Indirect
2009-10-19	Common Stock $0.01 par value	J	300	$12.87	Acquired	52756	Indirect
2009-10-19	Common Stock $0.01 par value	J	300	$12.88	Acquired	53056	Indirect
2009-10-19	Common Stock $0.01 par value	J	300	$12.84	Acquired	53356	Indirect
2009-10-19	Common Stock $0.01 par value	J	1000	$12.50	Acquired	54356	Indirect
2009-10-19	Common Stock $0.01 par value	J	500	$12.80	Acquired	54856	Indirect

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

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.