KRONOS WORLDWIDE INC — Director's Dealing 2011

Nov 28, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KRONOS WORLDWIDE INC (KRO)
CIK: 0001257640
Period of Report: 2011-11-25

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
2011-11-25	Common Stock $0.01 par value	P	100000	$18.176	Acquired	545276	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 purchases by the reporting person's spouse.

F2: The price reported in Column 4 is a weighted average price. These acquisitions involved purchases at 27 different prices ranging from $17.995 to $18.25 per share. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the U.S. Security and Exchange Commission, upon request, the full information regarding these purchases.

F3: 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.

F4: 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.

F5: 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.

F6: 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.

F7: 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.