UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of the earliest event reported) December 23, 2005 ------------------ NL Industries, Inc. ------------------------------------------------------ (Exact name of Registrant as specified in its charter) New Jersey 1-640 13-5267260 ------------------- ------------------ ----------------- (State or other (Commission (IRS Employer jurisdiction of File Number) Identification incorporation) No.) 5430 LBJ Freeway, Suite 1700, Dallas, Texas 75240-2697 ---------------------------------------------- ------------ (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code (972) 233-1700 -------------- (Former name or address, if changed since last report.) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2): [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Item 1.01 Entry into a Material Definitive Agreement. Item 1.02 Termination of a Material Definitive Agreement. Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information disclosed by CompX International Inc., a Delaware corporation and a subsidiary of the registrant ("CompX"), under Items 1.01, 1.02 and 2.03 of the Current Report on Form 8-K that CompX (File No. 1-13905) filed with the U.S. Securities and Exchange Commission on December 27, 2005 is hereby incorporated herein by reference. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. NL Industries, Inc. (Registrant) By: /s/ Gregory M. Swalwell ---------------------------- Gregory M. Swalwell Vice President, Finance and Chief Financial Officer Date: December 27, 2005