The information disclosed by Kronos Worldwide, Inc., a Delaware corporation related to the registrant ("Kronos Worldwide"), under Items 1.01 of the Current Report on Form 8-K that Kronos Worldwide (File No. 1-31763) filed with the U.S. Securities and Exchange Commission on October 29, 2008 is hereby incorporated herein by reference.

The registrant hereby furnishes the information set forth in its press release issued on October 29, 2008, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference.

The information, including the exhibit, the registrant furnishes in this Item 7.01 of this report is not deemed "filed" for purposes of section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. Registration statements or other documents filed with the U.S. Securities and Exchange Commission shall not incorporate this information by reference, except as otherwise expressly stated in such filing.

Item 9.01           Financial Statements and Exhibits.

(d)  Exhibits

       Item No.                         Description

     10.1              Unsecured Revolving Demand Promissory Note
                       dated October 29, 2008 in the original
                       principal amount of $40.0 million executed by
                       Kronos Worldwide, Inc. and payable to the
                       order of NL Industries, Inc. (incorporated by
                       reference to Exhibit 10.1 to the Current
                       Report in Form 8-K that Kronos Worldwide,
                       Inc. (Commission File No. 1-31763) filed with
                       the U.S. Securities and Exchange Commission
                       on October 29, 2008).

     99.1*             Press release dated October 29, 2008 issued
                       by the registrant.

* Filed herewith