Attached files

file filename
10-K - KRONOS WORLDWIDE, INC. 10K 2009 - KRONOS WORLDWIDE INCkwi10k09.htm
EX-31.1 - KRONOS WORLDWIDE, INC. EXHIBIT 31.1 - KRONOS WORLDWIDE INCkwi10kexhibit31_1.htm
EX-31.2 - KRONOS WORLDWIDE, INC. EXHIBIT 31.2 - KRONOS WORLDWIDE INCkwi10kexhibit31_2.htm
EX-21.1 - KRONOS WORLDWIDE, INC. EXHIBIT 21.1 - KRONOS WORLDWIDE INCkwi10kexhibit21_1.htm
EX-23.1 - KRONOS WORLDWIDE, INC. EXHIBIT 23.1 - KRONOS WORLDWIDE INCkwi10kexhibit23_1.htm

EXHIBIT 32.1


CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


In connection with the Annual Report of Kronos Worldwide, Inc. (the Company) on Form 10-K for the period ended December 31, 2009 as filed with the Securities and Exchange Commission on the date hereof (the Report), I, Steven L. Watson, Chief Executive Officer of the Company, and I, Gregory M. Swalwell, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1)
The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)
The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.




/s/ Steven L. Watson
Steven L. Watson
Chief Executive Officer


/s/ Gregory M. Swalwell
Gregory M. Swalwell
Chief Financial Officer


March 9, 2010

Note:    The certification the registrant furnishes in this exhibit 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 Securities and Exchange Commission shall not incorporate this exhibit by reference, except as otherwise expressly stated in such filing.