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    <div>&#160;&#160;</div>
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  <div style="text-align: center; margin-top: 4.4pt; font-size: 18pt; font-weight: bold;">UNITED STATES</div>
  <div style="text-align: center; font-size: 18pt; font-weight: bold;">SECURITIES AND EXCHANGE COMMISSION</div>
  <div style="text-align: center; font-size: 12pt;"><font style="font-weight: bold;">WASHINGTON, DC 20549</font>&#160;</div>
  <div>
    <div style="text-align: center; margin-bottom: 2.2pt;">&#160;</div>
    <div><br>
    </div>
  </div>
  <div style="text-align: center; margin-top: 13.2pt; font-size: 12pt;"><font style="font-size: 18pt; font-weight: bold;">FORM 8-K</font>&#160;</div>
  <div>
    <div style="text-align: center; margin-bottom: 2.2pt;">&#160;</div>
    <div><br>
    </div>
  </div>
  <div style="text-align: center; margin-top: 13.2pt; font-size: 12pt; font-weight: bold;">CURRENT REPORT</div>
  <div style="text-align: center; font-size: 12pt; font-weight: bold;">Pursuant to Section&#160;13 or 15(d) of the</div>
  <div style="text-align: center; font-size: 12pt; font-weight: bold;">Securities Exchange Act of 1934</div>
  <div style="text-align: center; margin-top: 13.2pt; font-size: 12pt; font-weight: bold;">Date of report (Date of earliest event reported): May 6, 2020</div>
  <div>
    <div style="text-align: center; margin-bottom: 2.2pt;">&#160;</div>
    <div><br>
    </div>
  </div>
  <div style="text-align: center; margin-top: 13.2pt; font-size: 18pt; font-weight: bold;">Kronos Worldwide, Inc.</div>
  <div style="text-align: center; font-size: 12pt;"><font style="font-size: 10pt; font-weight: bold;">(Exact Name of Registrant as Specified in Charter)</font>&#160;</div>
  <div>
    <div style="text-align: center; margin-bottom: 2.2pt;">&#160;</div>
    <div><br>
    </div>
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          <div style="font-size: 8pt;"><font style="font-size: 12pt;">&#160;</font>&#160;</div>
        </td>
        <td style="width: 1%; vertical-align: bottom;">
          <div style="font-size: 8pt;">&#160;</div>
        </td>
        <td style="width: 32.01%; vertical-align: middle;">
          <div style="font-size: 8pt;">&#160;</div>
        </td>
        <td style="width: 1%; vertical-align: bottom;">
          <div style="font-size: 8pt;">&#160;</div>
        </td>
        <td style="width: 32%; vertical-align: middle;">
          <div style="font-size: 8pt;">&#160;</div>
        </td>
      </tr>
      <tr>
        <td style="width: 33.99%; vertical-align: top;">
          <div style="text-align: center;">Delaware</div>
        </td>
        <td style="width: 1%; vertical-align: bottom;">
          <div>&#160;</div>
        </td>
        <td style="width: 32.01%; vertical-align: top;">
          <div style="text-align: center;">1-31763</div>
        </td>
        <td style="width: 1%; vertical-align: bottom;">
          <div>&#160;</div>
        </td>
        <td style="width: 32%; vertical-align: top;">
          <div style="text-align: center;">76-0294959</div>
        </td>
      </tr>
      <tr>
        <td style="width: 33.99%; vertical-align: top;">
          <div style="text-align: center; font-size: 8pt; font-weight: bold;">(State or Other Jurisdiction</div>
          <div style="text-align: center; font-size: 8pt; font-weight: bold;">of Incorporation)</div>
        </td>
        <td style="width: 1%; vertical-align: bottom;">
          <div style="font-size: 8pt;">&#160;</div>
        </td>
        <td style="width: 32.01%; vertical-align: top;">
          <div style="text-align: center; font-size: 8pt; font-weight: bold;">(Commission</div>
          <div style="text-align: center; font-size: 8pt; font-weight: bold;">File Number)</div>
        </td>
        <td style="width: 1%; vertical-align: bottom;">
          <div style="font-size: 8pt;">&#160;</div>
        </td>
        <td style="width: 32%; vertical-align: top;">
          <div style="text-align: center; font-size: 8pt; font-weight: bold;">(I.R.S. Employer</div>
          <div style="text-align: center; font-size: 8pt; font-weight: bold;">Identification No.)</div>
        </td>
      </tr>
      <tr>
        <td colspan="3" style="width: 67.01%; vertical-align: middle;">
          <div style="font-size: 8pt;">&#160;</div>
        </td>
        <td colspan="2" style="width: 32.99%; vertical-align: middle;">
          <div style="font-size: 8pt;">&#160;</div>
        </td>
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  </div>
  <div style="text-align: center;"><font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 144pt" id="TRGRRTFtoHTMLTab">&#160;</font><br>
  </div>
  <div style="text-align: center; font-size: 12pt; font-weight: bold;">5430 LBJ Freeway, Suite 1700, Dallas, Texas 75240-2620</div>
  <div style="text-align: center; font-size: 8pt; font-weight: bold;">(Address of Principal Executive Offices, and Zip Code)</div>
  <div style="text-align: center;"><br>
  </div>
  <div style="text-align: center;"><font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 72pt" id="TRGRRTFtoHTMLTab">&#160;</font><br>
  </div>
  <div style="text-align: center; font-size: 8pt; font-weight: bold;">Registrant&#8217;s Telephone Number, Including Area Code</div>
  <div style="text-align: center; font-size: 12pt; font-weight: bold;">(972) 233-1700</div>
  <div style="text-align: center;"><font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 144pt" id="TRGRRTFtoHTMLTab">&#160;</font><br>
  </div>
  <div style="text-align: center; font-size: 12pt;"><font style="font-size: 8pt; font-weight: bold;">&#160;(Former Name or Former Address, if Changed Since Last Report)</font>&#160;</div>
  <div style="margin-top: 13.2pt;">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 (<font style="font-style: italic;">see</font>
    General Instruction A.2. below):</div>
  <div style="font-size: 8pt;">&#160;</div>
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      <tr>
        <td style="width: 4.25%; vertical-align: top; text-align: center;" rowspan="1">
          <div>&#9744;</div>
        </td>
        <td style="width: 91.49%; vertical-align: top;">
          <div>Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</div>
        </td>
      </tr>

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  <div style="font-size: 8pt;">&#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="zf0e7a36cc73940a783039a9a9b8786f5">

      <tr>
        <td style="width: 4.25%; vertical-align: middle; text-align: center;" rowspan="1"> &#9744; </td>
        <td style="width: 91.47%; vertical-align: top;">
          <div>Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</div>
        </td>
      </tr>

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  <div style="font-size: 8pt;">&#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="z4e1e65b6eb574824ac78b2e3d71c1bf3">

      <tr>
        <td style="width: 4.25%; vertical-align: middle; text-align: center;" rowspan="1"> &#9744; </td>
        <td style="width: 92%; vertical-align: top;">
          <div>Pre-commencement communication pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</div>
        </td>
      </tr>
      <tr>
        <td style="width: 4.25%; vertical-align: middle;" rowspan="1">&#160;</td>
        <td style="width: 92%; vertical-align: top;" rowspan="1">&#160;</td>
      </tr>
      <tr>
        <td style="width: 4.25%; vertical-align: middle; text-align: center;" rowspan="1">&#160;&#9744;</td>
        <td style="width: 92%; vertical-align: top;" rowspan="1">Pre-commencement communication pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</td>
      </tr>

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  <div style="font-size: 8pt;">&#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="z5032a10a212941babcc44c5657beff03">

      <tr>
        <td style="width: 1%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);" rowspan="1" colspan="3">&#160;
          <div style="background-color: #FFFFFF;">
            <div style="text-align: justify;">&#160;Securities registered pursuant to Section 12(b) of the Act:</div>
            <div>&#160;</div>
          </div>
        </td>
      </tr>
      <tr>
        <td style="width: 24.77%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-left: 2px solid rgb(0, 0, 0);">
          <div style="text-align: center;">Title of each class</div>
        </td>
        <td style="width: 16.44%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-left: 2px solid rgb(0, 0, 0);">
          <div style="text-align: center;">Trading Symbol(s)</div>
        </td>
        <td style="width: 24.8%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);" rowspan="1">
          <div style="text-align: center;">Name of each exchange on which registered</div>
          &#160;</td>
      </tr>
      <tr>
        <td style="width: 24.77%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-left: 2px solid rgb(0, 0, 0);">
          <div style="text-align: center;">Common Stock</div>
        </td>
        <td style="width: 16.44%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-left: 2px solid rgb(0, 0, 0);">
          <div style="text-align: center;">KRO</div>
        </td>
        <td style="width: 24.8%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);" rowspan="1">
          <div style="text-align: center;">New York Stock Exchange</div>
          &#160;</td>
      </tr>
      <tr>
        <td style="width: 1%; vertical-align: top;" rowspan="1" colspan="3">&#160;
          <div style="background-color: #FFFFFF;">
            <div style="text-align: justify;">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 &#167;230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR
              &#167;240.12b-2).</div>
          </div>
          <div style="background-color: #FFFFFF;">
            <div style="text-align: justify;">Emerging growth company &#9744;</div>
          </div>
          <div style="background-color: #FFFFFF;">
            <div>&#160;</div>
            <div style="text-align: justify;">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. &#9744;</div>
          </div>
        </td>
      </tr>

  </table>
  <div><br>
  </div>
  <div style="clear: both; margin-top: 10pt; margin-bottom: 10pt;" id="DSPFPageBreakArea">
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      <hr noshade="noshade" style="margin: 4px 0px; width: 100%; border-width: 0; height: 2px; color: #000000; background-color: #000000; clear: both;"></div>
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  <div style="margin-bottom: 10pt;"><br>
  </div>
  <div><br>
  </div>
  <div><br>
  </div>
  <div><br>
  </div>
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    <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" class="DSPFListTable">

        <tr>
          <td style="width: 72pt; vertical-align: top; align: right; font-weight: bold;">Item 2.02</td>
          <td style="width: auto; vertical-align: top;">
            <div style="font-weight: bold;">Results of Operations and Financial Condition.</div>
          </td>
        </tr>

    </table>
  </div>
  <div style="text-align: justify; text-indent: 36pt;"> <br>
  </div>
  <div style="text-align: justify; text-indent: 36pt;">The registrant hereby furnishes the information set forth in its press release entitled &#8220;Kronos Worldwide Reports First Quarter 2020 Results&#8221; that the registrant issued on May 6, 2020, 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;">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; 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>
  <div>
    <div>
      <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" class="DSPFListTable" id="z40e532b8b7dc429591d4e6a42cf1b8ca">

          <tr>
            <td style="width: 72pt; vertical-align: top; align: right; font-weight: bold;">Item 7.01</td>
            <td style="width: auto; vertical-align: top;">
              <div style="font-weight: bold;">Regulation FD Disclosure.</div>
            </td>
          </tr>

      </table>
    </div>
  </div>
  <div><br>
  </div>
  <div style="text-align: justify; text-indent: 36pt;">The registrant hereby furnishes the information set forth in its press release issued on May 6, 2020, a copy of which is attached as Exhibit 99.1 and incorporated herein by reference.</div>
  <div><br>
  </div>
  <div style="text-align: justify; text-indent: 36pt;">The information, including the exhibit, the registrant furnishes in this report under this Item 7.01, and the exhibit in Item 9.01, 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; 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>
  <div>
    <div>
      <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; text-align: left; color: #000000;" class="DSPFListTable" id="z0c2a16fc9e754b6a999ac023b108bac2">

          <tr>
            <td style="width: 72pt; vertical-align: top; align: right; font-weight: bold;">Item 9.01</td>
            <td style="width: auto; vertical-align: top;">
              <div style="font-weight: bold;">Financial Statements and Exhibits.</div>
            </td>
          </tr>

      </table>
    </div>
  </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="z9bceb30fab4048049737693b66e0dacd">

      <tr>
        <td style="width: 6.44%; vertical-align: top;">
          <div style="text-align: center;">(d)</div>
        </td>
        <td style="width: 19.9%; vertical-align: top;">
          <div>Exhibits</div>
        </td>
        <td style="width: 3.56%; vertical-align: top;">&#160;</td>
        <td style="width: 70.1%; vertical-align: top;">&#160;</td>
      </tr>
      <tr>
        <td style="width: 6.44%; vertical-align: top;">&#160;</td>
        <td style="width: 19.9%; vertical-align: top;">&#160;</td>
        <td style="width: 3.56%; vertical-align: top;">&#160;</td>
        <td style="width: 70.1%; vertical-align: top;">&#160;</td>
      </tr>
      <tr>
        <td style="width: 6.44%; vertical-align: top;">&#160;</td>
        <td style="width: 19.9%; vertical-align: top; border-bottom: 2px solid #000000;">
          <div>
            <div style="text-align: center; font-weight: bold;">Item No.</div>
          </div>
        </td>
        <td style="width: 3.56%; vertical-align: top;">&#160;</td>
        <td style="width: 70.1%; vertical-align: top; border-bottom: 2px solid #000000;">
          <div>
            <div style="text-align: center; font-weight: bold;">Exhibit Index</div>
          </div>
        </td>
      </tr>
      <tr>
        <td style="width: 6.44%; vertical-align: top;">&#160;</td>
        <td style="width: 19.9%; vertical-align: top;">&#160;</td>
        <td style="width: 3.56%; vertical-align: top;">&#160;</td>
        <td style="width: 70.1%; vertical-align: top;">&#160;</td>
      </tr>
      <tr>
        <td style="width: 6.44%; vertical-align: top;">&#160;</td>
        <td style="width: 19.9%; vertical-align: top;">
          <div style="text-align: center;">99.1</div>
        </td>
        <td style="width: 3.56%; vertical-align: top;">&#160;</td>
        <td style="width: 70.1%; vertical-align: top;">
          <div><a href="ex991.htm">Press release dated May 6, 2020 issued by the registrant.</a></div>
        </td>
      </tr>

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  <div><br>
  </div>
  <div style="margin-bottom: 10pt;"><br>
  </div>
  <div><br>
  </div>
  <div style="text-align: center; font-weight: bold;">SIGNATURE</div>
  <div><br>
  </div>
  <div><br>
  </div>
  <div style="text-align: justify; text-indent: 36pt;">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>
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      <tr>
        <td style="width: 47.41%; vertical-align: top;">&#160;</td>
        <td colspan="2" style="width: 52.59%; vertical-align: top;">
          <div style="font-weight: bold;">KRONOS WORLDWIDE, INC.</div>
        </td>
      </tr>
      <tr>
        <td style="width: 47.41%; vertical-align: top;">&#160;</td>
        <td colspan="2" style="width: 52.59%; vertical-align: top;">
          <div>(Registrant)</div>
        </td>
      </tr>
      <tr>
        <td style="width: 47.41%; vertical-align: top;">&#160;</td>
        <td colspan="2" style="width: 52.59%; vertical-align: top;">&#160;</td>
      </tr>
      <tr>
        <td style="width: 47.41%; vertical-align: top;">&#160;</td>
        <td colspan="2" style="width: 52.59%; vertical-align: top;">&#160;</td>
      </tr>
      <tr>
        <td style="width: 47.41%; vertical-align: top;">&#160;</td>
        <td colspan="2" style="width: 52.59%; vertical-align: top;">&#160;</td>
      </tr>
      <tr>
        <td style="width: 47.41%; vertical-align: top;">&#160;</td>
        <td colspan="2" style="width: 52.59%; vertical-align: top;">&#160;</td>
      </tr>
      <tr>
        <td style="width: 47.41%; vertical-align: top;">
          <div>Date:&#160; May 6, 2020</div>
        </td>
        <td style="width: 5.37%; vertical-align: top;">
          <div>By:</div>
        </td>
        <td style="width: 47.22%; vertical-align: top; border-bottom: #000000 2px solid;">
          <div>/s/ James W. Brown</div>
        </td>
      </tr>
      <tr>
        <td style="width: 47.41%; vertical-align: top;">&#160;</td>
        <td style="width: 5.37%; vertical-align: top;">&#160;</td>
        <td style="width: 47.22%; vertical-align: top;">
          <div style="font-style: italic;">James W. Brown,</div>
          <div style="font-style: italic;">Senior Vice President and Chief Financial Officer</div>
        </td>
      </tr>

  </table>
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 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): May 6, 2020
Kronos Worldwide, Inc.
(Exact Name of Registrant as Specified in Charter)
Delaware
1-31763
76-0294959
(State or Other Jurisdiction
of Incorporation)
(Commission
File Number)
(I.R.S. Employer
Identification No.)
5430 LBJ Freeway, Suite 1700, Dallas, Texas 75240-2620
(Address of Principal Executive Offices, and 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. below):
☐
Written communication 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 communication pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐
Pre-commencement communication 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
KRO
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 "Kronos Worldwide Reports First Quarter 2020 Results" that the registrant issued on May 6, 2020, 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 7.01
Regulation FD Disclosure.
The registrant hereby furnishes the information set forth in its press release issued on May 6, 2020, a copy of which is attached as Exhibit 99.1 and incorporated herein by reference.
The information, including the exhibit, the registrant furnishes in this report under this Item 7.01, and the exhibit in Item 9.01, 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.
Exhibit Index
99.1
Press release dated May 6, 2020 issued by the registrant.
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.
KRONOS WORLDWIDE, INC.
(Registrant)
Date:  May 6, 2020
By:
/s/ James W. Brown
James W. Brown,
Senior Vice President and Chief Financial Officer