<html xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2015-02-26" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns:us-gaap="http://fasb.org/us-gaap/2021-01-31" xmlns:dei="http://xbrl.sec.gov/dei/2021" xmlns:utr="http://www.xbrl.org/2009/utr" xmlns:country="http://xbrl.sec.gov/country/2021" xmlns:currency="http://xbrl.sec.gov/currency/2021" xmlns:naics="http://xbrl.sec.gov/naics/2021" xmlns:sic="http://xbrl.sec.gov/sic/2021" xmlns:stpr="http://xbrl.sec.gov/stpr/2021" xmlns:exch="http://xbrl.sec.gov/exch/2021" xmlns:srt="http://fasb.org/srt/2021-01-31" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:nl="http://nl.com/20211104" xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title></title>
    <!-- Licensed to: Contran Corp
         Document created using EDGARfilings PROfile 7.6.0.0
         Copyright 1995 - 2021 Broadridge -->
    <meta http-equiv="Content-Type" content="text/html" />
</head>

<body style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; text-align: left; color: #000000; background-color: #ffffff;">
<div id="DSPFiXBRLHidden" style="display: none;"><ix:header><ix:hidden><ix:nonNumeric name="dei:AmendmentFlag" id="Fact_c6d0716196e341018771c9e9f7195c6f" contextRef="c20211104to20211104" format="ixt:booleanfalse">false</ix:nonNumeric><ix:nonNumeric name="dei:EntityCentralIndexKey" id="Fact_443027ba778541a3826cd5084001ca36" contextRef="c20211104to20211104">0000072162</ix:nonNumeric></ix:hidden><ix:references><link:schemaRef xlink:href="nl-20211104.xsd" xlink:type="simple"></link:schemaRef></ix:references><ix:resources><xbrli:context id="c20211104to20211104"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000072162</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2021-11-04</xbrli:startDate><xbrli:endDate>2021-11-04</xbrli:endDate></xbrli:period></xbrli:context></ix:resources></ix:header></div>

  <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">UNITED STATES</div>

  <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">SECURITIES AND EXCHANGE COMMISSION</div>

  <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">Washington, D.C.&#160;&#160;&#160;20549</div>

  <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>

  <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 12pt; font-weight: bold;">FORM <ix:nonNumeric name="dei:DocumentType" id="Fact_468e24f803ad4ddabd84733313ecf570" contextRef="c20211104to20211104">8-K</ix:nonNumeric></div>

  <div><br />
  </div>

  <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">CURRENT REPORT</div>

  <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934</div>

  <div><br />
  </div>

  <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Date of Report (Date of the earliest event reported)</div>

  <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;"><ix:nonNumeric name="dei:DocumentPeriodEndDate" id="Fact_a7e52dbe68034518ac67df80516eee0a" contextRef="c20211104to20211104" format="ixt:datemonthdayyearen">November 4, 2021</ix:nonNumeric><br />
  </div>

  <div><br />
  </div>

  <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 18pt; font-variant: small-caps;"><ix:nonNumeric name="dei:EntityRegistrantName" id="Fact_42d39f216860482696aa4129a59017fe" contextRef="c20211104to20211104">NL Industries, Inc.</ix:nonNumeric><br />
  </div>

  <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">(Exact name of registrant as specified in its charter)</div>

  <div><br />
  </div>

  <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" id="z8b0145f41f484340b7bb5e9bf9c0a58c">


  <tr>

    <td style="width: 33%; vertical-align: top; border-bottom: #000000 4px double;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;"><ix:nonNumeric name="dei:EntityIncorporationStateCountryCode" id="Fact_eeb1dcb90af34bcb814796184104f79e" contextRef="c20211104to20211104" format="ixt-sec:stateprovnameen">New Jersey</ix:nonNumeric><br />
          </div>
        </td>

    <td style="width: 34%; vertical-align: top; border-bottom: #000000 4px double;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;"><ix:nonNumeric name="dei:EntityFileNumber" id="Fact_4b3a7cf8c866477f973faa9db0eb9819" contextRef="c20211104to20211104">1-640</ix:nonNumeric><br />
          </div>
        </td>

    <td style="width: 33%; vertical-align: top; border-bottom: #000000 4px double;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;"><ix:nonNumeric name="dei:EntityTaxIdentificationNumber" id="Fact_99aedc07ab1a45519daf1e79b643f43b" contextRef="c20211104to20211104">13-5267260</ix:nonNumeric><br />
          </div>
        </td>

  </tr>

  <tr>

    <td style="width: 33%; vertical-align: top;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">(State or other jurisdiction</div>
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">of incorporation)</div>
        </td>

    <td style="width: 34%; vertical-align: top;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">(Commission</div>
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">File Number)</div>
        </td>

    <td style="width: 33%; vertical-align: top;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">(IRS Employer</div>
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Identification No.)</div>
        </td>

  </tr>

  <tr>

    <td style="width: 33%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

    <td style="width: 34%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

    <td style="width: 33%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

  </tr>

  <tr>

    <td colspan="2" style="width: 67%; vertical-align: top;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;"><ix:nonNumeric name="dei:EntityAddressAddressLine1" id="Fact_8055fd79c5c545b593c536463dcd5bd8" contextRef="c20211104to20211104">5430 LBJ Freeway</ix:nonNumeric>, <ix:nonNumeric name="dei:EntityAddressAddressLine2" id="Fact_7fa9d841aa684e0ca6bce5bb8721ddec" contextRef="c20211104to20211104">Suite 1700</ix:nonNumeric>, <ix:nonNumeric name="dei:EntityAddressCityOrTown" id="Fact_052138da4773480ea36742a3a4e17b16" contextRef="c20211104to20211104">Dallas</ix:nonNumeric>, <ix:nonNumeric name="dei:EntityAddressStateOrProvince" id="Fact_2f042a1fcb694f16a4023a9821bcf4e6" contextRef="c20211104to20211104" format="ixt-sec:stateprovnameen">Texas</ix:nonNumeric></div>
        </td>

    <td style="width: 33%; vertical-align: top;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;"><ix:nonNumeric name="dei:EntityAddressPostalZipCode" id="Fact_49f3702a622d4625a4037d8bcb81f1c8" contextRef="c20211104to20211104">75240-2620</ix:nonNumeric><br />
          </div>
        </td>

  </tr>

  <tr>

    <td colspan="2" style="width: 67%; vertical-align: top;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">(Address of principal executive offices)</div>
        </td>

    <td style="width: 33%; vertical-align: top;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">(Zip Code)</div>
        </td>

  </tr>


</table>
  <div><br />
  </div>

  <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Registrant&#8217;s telephone number, including area code</div>

  <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">(<ix:nonNumeric name="dei:CityAreaCode" id="Fact_cc0c42c5a54a4014926acd55a3d9d035" contextRef="c20211104to20211104">972</ix:nonNumeric>) <ix:nonNumeric name="dei:LocalPhoneNumber" id="Fact_185e2dcd80ba413ab8bb06e1e9772c9e" contextRef="c20211104to20211104">233-1700</ix:nonNumeric></div>

  <div><br />
  </div>

  <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" id="z04bc4ebe8c914b1d859620327cd731b4">


  <tr>

    <td style="width: 19.79%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

    <td style="width: 63.56%; vertical-align: top; border-bottom: #000000 4px double;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

    <td style="width: 16.64%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

  </tr>

  <tr>

    <td style="width: 19.79%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

    <td style="width: 63.56%; vertical-align: top;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">(Former name or former address, if changed since last report.)</div>
        </td>

    <td style="width: 16.64%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

  </tr>


</table>
  <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>

  <div style="text-align: justify; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">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):</div>

  <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>

  <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" id="zee98361e531540119b764c2992470377">


  <tr>

    <td style="width: 6.32%; vertical-align: top;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 12pt;"><ix:nonNumeric name="dei:WrittenCommunications" id="Fact_a67460e47e544d5eb440d03d1a11adb8" contextRef="c20211104to20211104" format="ixt-sec:boolballotbox">&#x2610;</ix:nonNumeric><br />
          </div>
        </td>

    <td style="width: 93.68%; vertical-align: middle;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</div>
        </td>

  </tr>

  <tr>

    <td style="width: 6.32%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

    <td style="width: 93.68%; vertical-align: middle;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

  </tr>

  <tr>

    <td style="width: 6.32%; vertical-align: top;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 12pt;"><ix:nonNumeric name="dei:SolicitingMaterial" id="Fact_8758ac1b591a421ebe2fc6480f8857ae" contextRef="c20211104to20211104" format="ixt-sec:boolballotbox">&#x2610;</ix:nonNumeric><br />
          </div>
        </td>

    <td style="width: 93.68%; vertical-align: middle;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</div>
        </td>

  </tr>

  <tr>

    <td style="width: 6.32%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

    <td style="width: 93.68%; vertical-align: middle;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

  </tr>

  <tr>

    <td style="width: 6.32%; vertical-align: top;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 12pt;"><ix:nonNumeric name="dei:PreCommencementTenderOffer" id="Fact_c74ed06ff10e451dab9af86e42c2c044" contextRef="c20211104to20211104" format="ixt-sec:boolballotbox">&#x2610;</ix:nonNumeric><br />
          </div>
        </td>

    <td style="width: 93.68%; vertical-align: middle;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</div>
        </td>

  </tr>

  <tr>

    <td style="width: 6.32%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

    <td style="width: 93.68%; vertical-align: middle;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

  </tr>

  <tr>

    <td style="width: 6.32%; vertical-align: top;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 12pt;"><ix:nonNumeric name="dei:PreCommencementIssuerTenderOffer" id="Fact_c5eac78cf579472ca3af873950f28919" contextRef="c20211104to20211104" format="ixt-sec:boolballotbox">&#x2610;</ix:nonNumeric><br />
          </div>
        </td>

    <td style="width: 93.68%; vertical-align: middle;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</div>
        </td>

  </tr>


</table>
  <div style="text-align: left; margin-top: 9pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Securities registered pursuant to Section 12(b) of the Act:</div>

  <div><br />
  </div>

  <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" id="za65de6c6b6c3480fb0d7962af2c45915">


  <tr>

    <td style="width: 38.01%; vertical-align: bottom; border-bottom: #000000 2px solid;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 8pt; font-weight: bold;">Title of each class</div>
        </td>

    <td style="width: 1%; vertical-align: bottom;">&#160;</td>

    <td style="width: 15%; vertical-align: bottom; border-bottom: #000000 2px solid;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 8pt; font-weight: bold;">Trading</div>
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 8pt; font-weight: bold;">Symbol(s)</div>
        </td>

    <td style="width: 1%; vertical-align: bottom;">&#160;</td>

    <td style="width: 45%; vertical-align: bottom; border-bottom: #000000 2px solid;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 8pt; font-weight: bold;">Name of each exchange on which registered</div>
        </td>

  </tr>

  <tr>

    <td style="width: 38.01%; vertical-align: top;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 8pt;"><ix:nonNumeric name="dei:Security12bTitle" id="Fact_7b29f80c2ca14191a5a3c35407846246" contextRef="c20211104to20211104">Common stock</ix:nonNumeric><br />
          </div>
        </td>

    <td style="width: 1%; vertical-align: bottom;">&#160;</td>

    <td style="width: 15%; vertical-align: bottom;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 8pt;"><ix:nonNumeric name="dei:TradingSymbol" id="Fact_b3cb47c8edd345f289ad1bcdb96f12a2" contextRef="c20211104to20211104">NL</ix:nonNumeric><br />
          </div>
        </td>

    <td style="width: 1%; vertical-align: bottom;">&#160;</td>

    <td style="width: 45%; vertical-align: bottom;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 8pt;"><ix:nonNumeric name="dei:SecurityExchangeName" id="Fact_67ad0fcf735b4ad588b9bbeacb28b10f" contextRef="c20211104to20211104" format="ixt-sec:exchnameen">New York Stock Exchange</ix:nonNumeric><br />
          </div>
        </td>

  </tr>


</table>
  <div><br />
  </div>

  <div>
    <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17&#160;CFR &#167;230.405) or Rule
      12b-2 of the Securities Exchange Act of 1934 (17 CFR &#167;240.12b-2).</div>

  </div>

  <div>
    <div style="text-align: right; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Emerging growth company&#160; <ix:nonNumeric name="dei:EntityEmergingGrowthCompany" id="Fact_f6737c819a8b408c9907703e7c039725" contextRef="c20211104to20211104" format="ixt-sec:boolballotbox">&#x2610;</ix:nonNumeric></div>

  </div>

  <div>
    <div><br />
    </div>

    <div style="text-align: left; margin-top: 6pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying
      with any new or revised financial accounting standards provided pursuant to Section&#160;13(a) of the Exchange Act.&#160;&#160;<span style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">&#9744;</span></div>

  </div>

  <div style="text-align: right; font-family: 'Times New Roman', Times, serif; font-size: 8pt;">&#160;</div>

  <div style="clear: both; margin-top: 10pt; margin-bottom: 10pt;">
    <div style="page-break-after:always;">
      <hr style="margin: 4px 0px; width: 100%; border-width: 0; height: 2px; color: #000000; background-color: #000000; clear: both;" /></div>

  </div>

  <div><br />
  </div>

  <div><br />
  </div>

  <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" id="zddcf328de0be48398945d0577456cb67">


  <tr>

    <td style="width: 16.67%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">Item 2.02</div>
        </td>

    <td style="width: 83.33%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">Results of Operations and Financial Condition.</div>
        </td>

  </tr>


</table>
  <div><br />
  </div>

  <div><br />
  </div>

  <div style="text-align: justify; text-indent: 36pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">The registrant hereby furnishes the information set forth in its press release entitled &#8220;NL Reports Third Quarter 2021 Results&#8221; issued on
    November 4, 2021, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference.</div>

  <div><br />
  </div>

  <div style="text-align: justify; text-indent: 36pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">The press release the registrant furnishes as Exhibit 99.1 to this current report is not deemed &#8220;filed&#8221; for purposes of section 18 of the
    Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section.&#160;&#160;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.</div>

  <div><br />
  </div>

  <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" id="zf931647c8d0e4016984aaa247a4d53a9">


  <tr>

    <td style="width: 16.67%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">Item 9.01</div>
        </td>

    <td style="width: 83.33%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">Financial Statements and Exhibits.</div>
        </td>

  </tr>


</table>
  <div><br />
  </div>

  <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" id="z97c34b4a1810435abee264885598dde0">


  <tr>

    <td style="width: 6.26%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">(d)</div>
        </td>

    <td style="width: 19.06%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Exhibits</div>
        </td>

    <td style="width: 4.83%; vertical-align: top;">&#160;</td>

    <td style="width: 69.85%; vertical-align: top;">&#160;</td>

  </tr>

  <tr>

    <td style="width: 6.26%; vertical-align: top;">&#160;</td>

    <td style="width: 19.06%; vertical-align: top;">&#160;</td>

    <td style="width: 4.83%; vertical-align: top;">&#160;</td>

    <td style="width: 69.85%; vertical-align: top;">&#160;</td>

  </tr>

  <tr>

    <td style="width: 6.26%; vertical-align: top;">&#160;</td>

    <td style="width: 19.06%; vertical-align: top; border-bottom: 2px solid #000000;">
          <div>
            <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">Item No.</div>
          </div>
        </td>

    <td style="width: 4.83%; vertical-align: top;">&#160;</td>

    <td style="width: 69.85%; vertical-align: top; border-bottom: 2px solid #000000;">
          <div>
            <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">Description</div>
          </div>
        </td>

  </tr>

  <tr>

    <td style="width: 6.26%; vertical-align: top;">&#160;</td>

    <td style="width: 19.06%; vertical-align: top;">&#160;</td>

    <td style="width: 4.83%; vertical-align: top;">&#160;</td>

    <td style="width: 69.85%; vertical-align: top;">&#160;</td>

  </tr>

  <tr>

    <td style="width: 6.26%; vertical-align: top;">&#160;</td>

    <td style="width: 19.06%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">99.1</div>
        </td>

    <td style="width: 4.83%; vertical-align: top;">&#160;</td>

    <td style="width: 69.85%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;"><a href="exh991.htm">Press release dated November 4,
              2021 entitled &#8220;NL Reports Third Quarter 2021 Results&#8221; and issued by the registrant</a>.</div>
        </td>

  </tr>

  <tr>

    <td style="width: 6.26%; vertical-align: top;">&#160;</td>

    <td style="width: 19.06%; vertical-align: top;">&#160;</td>

    <td style="width: 4.83%; vertical-align: top;">&#160;</td>

    <td style="width: 69.85%; vertical-align: top;">&#160;</td>

  </tr>

  <tr>

    <td style="width: 6.26%; vertical-align: top;">&#160;</td>

    <td style="width: 19.06%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">104</div>
        </td>

    <td style="width: 4.83%; vertical-align: top;">&#160;</td>

    <td style="width: 69.85%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Cover Page Interactive Data File (embedded within the Inline XBRL document)</div>
        </td>

  </tr>

  <tr>

    <td style="width: 6.26%; vertical-align: top;">&#160;</td>

    <td style="width: 19.06%; vertical-align: top;">&#160;</td>

    <td style="width: 4.83%; vertical-align: top;">&#160;</td>

    <td style="width: 69.85%; vertical-align: top;">&#160;</td>

  </tr>


</table>
  <div style="text-align: left; text-indent: -72pt; margin-left: 72pt;"><span style="display: inline-block; text-indent: 0px; font-size: 1px; width: 72pt">&#160;</span><br />
  </div>

  <div><br />
  </div>

  <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 8pt;">&#160;</div>

  <div><br />
  </div>

  <div style="clear: both; margin-top: 10pt; margin-bottom: 10pt;">
    <div style="page-break-after:always;">
      <hr style="margin: 4px 0px; width: 100%; border-width: 0; height: 2px; color: #000000; background-color: #000000; clear: both;" /></div>

  </div>

  <div><br />
  </div>

  <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">SIGNATURE</div>

  <div><br />
  </div>

  <div style="text-align: justify; text-indent: 36pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">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.</div>

  <div><br />
  </div>

  <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" id="ze1d444b9d2314f54906ecc085be18028">


  <tr>

    <td style="width: 50%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

    <td style="width: 50%; vertical-align: top; border-bottom: 2px solid black;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-variant: small-caps;">NL Industries, Inc.</div>
        </td>

  </tr>

  <tr>

    <td style="width: 50%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

    <td style="width: 50%; vertical-align: top;">
          <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">(Registrant)</div>
        </td>

  </tr>

  <tr>

    <td style="width: 50%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

    <td style="width: 50%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

  </tr>

  <tr>

    <td style="width: 50%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

    <td style="width: 50%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

  </tr>

  <tr>

    <td style="width: 50%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

    <td style="width: 50%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

  </tr>

  <tr>

    <td style="width: 50%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

    <td style="width: 50%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

  </tr>

  <tr>

    <td style="width: 50%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>
        </td>

    <td style="width: 50%; vertical-align: top; border-bottom: #000000 2px solid;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">By:&#160;&#160;&#160;&#160;&#160;&#160;/s/ Amy A. Samford</div>
        </td>

  </tr>

  <tr>

    <td style="width: 50%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Date:&#160;&#160;November 4, 2021</div>
        </td>

    <td style="width: 50%; vertical-align: top;">
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-style: italic;">Amy A. Samford, Senior Vice President and</div>
          <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-style: italic;">&#160;&#160;&#160;Chief Financial Officer</div>
        </td>

  </tr>


</table>
  <div><br />
  </div>

  <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">&#160;</div>

</body>
</html>
[{"type": "8-K", "sequence": "1", "filename": "nl8k211104.htm", "description": "NL INDUSTRIES, INC. FORM 8-K DATED NOVEMBER 4, 2021", "secsgml_size_bytes": 31392}]
{"company-data": {"conformed-name": "NL INDUSTRIES INC", "cik": "0000072162", "assigned-sic": "2810", "irs-number": "135267260", "state-of-incorporation": "NJ", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-00640", "film-number": "211380364"}, "business-address": {"street1": "5430 LBJ FREEWAY", "street2": "SUITE 1700", "city": "DALLAS", "state": "TX", "zip": "75240-2620", "phone": "972-233-1700"}, "mail-address": {"street1": "5430 LBJ FREEWAY", "street2": "SUITE 1700", "city": "DALLAS", "state": "TX", "zip": "75240-2620"}, "former-company": {"former-conformed-name": "NATIONAL LEAD CO", "date-changed": "19710520"}}
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)
November 4, 2021
NL Industries, Inc.
(Exact name of registrant as specified in its charter)
New Jersey
1-640
13-5267260
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
5430 LBJ Freeway
,
Suite 1700
,
Dallas
,
Texas
75240-2620
(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.)
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))
Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading
Symbol(s)
Name of each exchange on which registered
Common stock
NL
New York Stock Exchange
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule
      12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).
Emerging growth company
☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying
      with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
☐
Item 2.02
Results of Operations and Financial Condition.
The registrant hereby furnishes the information set forth in its press release entitled "NL Reports Third Quarter 2021 Results" issued on
    November 4, 2021, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference.
The press release the registrant furnishes as Exhibit 99.1 to this current 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
99.1
Press release dated November 4,
              2021 entitled "NL Reports Third Quarter 2021 Results" and issued by the registrant
.
104
Cover Page Interactive Data File (embedded within the Inline XBRL document)
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/ Amy A. Samford
Date:  November 4, 2021
Amy A. Samford, Senior Vice President and
Chief Financial Officer