VALHI INC /DE/ — Director's Dealing 2003

Dec 10, 2003

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KRONOS WORLDWIDE INC (KRO)
CIK: 0001257640
Period of Report: 2003-12-08

Reporting Person: VALHI INC /DE/ (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2003-12-08	Common Stock $0.01 par value	J	15067695	—	Acquired	15067695	Direct
2003-12-08	Common Stock $0.01 par value	J	23882042	—	Disposed	25061007	Indirect
2003-12-08	Common Stock $0.01 par value	J	5107770	—	Acquired	5107770	Indirect

Footnotes

F1: Upon the December 8, 2003 waiver or satisfaction of all of the conditions to the Distribution Agreement dated November 6, 2003 between NL Industries, Inc. ("NL") and Kronos Worldwide, Inc., the issuer and a subsidiary of NL ("KWI"), NL distributed on December 8, 2003 one share of common stock of KWI for every two shares of NL common stock outstanding as of the close of business on November 17, 2003, the record date for the distribution. In the aggregate, NL distributed 23,822,042 shares of KWI common stock to holders of NL common stock in the distribution.

F2: Directly held by NL Industries, Inc. See the Additional information filed as an exhibit to this statement for a description of the relationship.

F3: Directly held by Tremont LLC. See the Additional information filed as an exhibit to this statement for a description of the relationship.