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 earliest event reported): October 21, 2003 NL INDUSTRIES, INC. (Exact name of registrant as specified in charter) New Jersey 1-640 13-5267260 (State or other (Commission File No.) (Employer ID No.) jurisdiction of incorporation) 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 former address, if changed since last report) Item 7. Financial Statements, Pro Forma Financial Information and Exhibits c) Exhibits Item No. Exhibit Index -------- --------------------------------------- 99.1 Press Release dated October 21, 2003 issued by NL Industries, Inc. Item 9. Regulation FD Disclosure. The registrant hereby furnishes the information set forth in the press release issued on October 21, 2003, 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 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 Securities and Exchange Commission shall not incorporate this information by reference, except as otherwise expressly stated in such filing. 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 thereunto duly authorized. NL INDUSTRIES, INC. (Registrant) By: /s/ Robert D. Graham ----------------------- Robert D. Graham Vice President, General Counsel & Secretary Date: October 21, 2003