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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>UNITED
        STATES</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>SECURITIES
        AND EXCHANGE COMMISSION</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>Washington,
        D.C. 20549</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman;"><strong>FORM
        8-K</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>CURRENT
        REPORT</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>Pursuant
        to Section 13 OR 15(d) of The Securities Exchange Act of
        1934</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 234pt; TEXT-INDENT: -234pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">Date
        of
        Report (Date of the earliest event reported)</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>August
        6, 2007</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 18pt; FONT-FAMILY: Times New Roman;"><strong>Kronos
        Worldwide, Inc.</strong></font></div>
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        name of registrant as specified in its charter)</font></div>
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        <table cellpadding="0" cellspacing="0" width="100%">

            <tr>
              <td valign="top" width="27%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><strong>Delaware</strong></font></div>
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            <tr>
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                  or other jurisdiction of incorporation)</font></div>
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                  Number)</font></div>
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                  Employer</font></div>
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                  No.)</font></div>
              </td>
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              <td valign="top" width="27%">&#160;</td>
              <td valign="top" width="27%">&#160;</td>
              <td colspan="2" valign="top" width="27%">&#160;</td>
            </tr>
            <tr>
              <td valign="top" width="27%">&#160;</td>
              <td valign="top" width="27%">&#160;</td>
              <td colspan="2" valign="top" width="27%">&#160;</td>
            </tr>
            <tr>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><strong>5430
                  LBJ Freeway, Suite 1700, Dallas, Texas</strong></font></div>
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            <tr>
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                  of principal executive offices)</font></div>
              </td>
              <td valign="top" width="26%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(Zip
                  Code)</font></div>
              </td>
            </tr>

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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
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        telephone number, including area code</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>(972)
        233-1700</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div>
        <table cellpadding="0" cellspacing="0" width="100%">

            <tr>
              <td valign="top" width="19%">&#160;</td>
              <td valign="top" width="42%" style="BORDER-BOTTOM: black 2px solid">&#160;</td>
              <td valign="top" width="19%">&#160;</td>
            </tr>
            <tr>
              <td valign="top" width="19%">&#160;</td>
              <td valign="top" width="42%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(Former
                  name or former address, if changed since last report.)</font></div>
              </td>
              <td valign="top" width="19%">&#160;</td>
            </tr>

        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">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):</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div>
        <table cellpadding="0" cellspacing="0" width="100%">

            <tr>
              <td valign="top" width="5%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: wingdings;">o</font></div>
              </td>
              <td align="justify" valign="middle" width="74%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Written
                  communications pursuant to Rule 425 under the Securities Act (17
                  CFR
                  230.425)</font></div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="5%">&#160;</td>
              <td align="justify" valign="middle" width="74%">&#160;</td>
            </tr>
            <tr>
              <td valign="top" width="5%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: wingdings;">&#168;</font></div>
              </td>
              <td align="justify" valign="middle" width="74%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Soliciting
                  material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
                  240.14a-12)</font></div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="5%">&#160;</td>
              <td align="justify" valign="middle" width="74%">&#160;</td>
            </tr>
            <tr>
              <td valign="top" width="5%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: wingdings;">&#168;</font></div>
              </td>
              <td align="justify" valign="middle" width="74%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Pre-commencement
                  communications pursuant to Rule 14d-2(b) under the Exchange Act
                  (17 CFR
                  240.14d-2(b))</font></div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="5%">&#160;</td>
              <td align="justify" valign="middle" width="74%">&#160;</td>
            </tr>
            <tr>
              <td valign="top" width="5%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: wingdings;">&#168;</font></div>
              </td>
              <td align="justify" valign="middle" width="74%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Pre-commencement
                  communications pursuant to Rule 13e-4(c) under the Exchange Act
                  (17 CFR
                  240.13e-4(c))</font></div>
              </td>
            </tr>

        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 81pt; TEXT-INDENT: -81pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div><br>
      <div>
        <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">

            <tr valign="top" style="LINE-HEIGHT: 1.25;">
              <td style="WIDTH: 72pt">
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>Item
                  2.02</strong></font></div>
              </td>
              <td>
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>Results
                  of Operations and Financial
                  Condition.</strong></font></div>
              </td>
            </tr>

        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 72pt; TEXT-INDENT: -72pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div>
        <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">

            <tr valign="top" style="LINE-HEIGHT: 1.25;">
              <td style="WIDTH: 72pt">
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>Item
                  7.01</strong></font></div>
              </td>
              <td>
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>Regulation
                  FD Disclosure.</strong></font></div>
              </td>
            </tr>

        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">The
        registrant hereby furnishes the information set forth in its press release
        issued on August 6, 2007, a copy of which is attached hereto as Exhibit 99.1
        and
        incorporated herein by reference.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">The
        information, including the exhibit, the registrant furnishes in this 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.
        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.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div>
        <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">

            <tr valign="top" style="LINE-HEIGHT: 1.25;">
              <td style="WIDTH: 72pt">
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>Item
                  9.01</strong></font></div>
              </td>
              <td>
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>Financial
                  Statements and Exhibits.</strong></font></div>
              </td>
            </tr>

        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 81pt; TEXT-INDENT: -81pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div>
        <table cellpadding="0" cellspacing="0" width="100%">

            <tr>
              <td align="justify" valign="top" width="5%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(d)</font></div>
              </td>
              <td align="justify" valign="top" width="16%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Exhibits</font></div>
              </td>
              <td align="justify" valign="top" width="2%">&#160;</td>
              <td align="justify" valign="top" width="57%">&#160;</td>
            </tr>
            <tr>
              <td align="justify" valign="top" width="5%">&#160;</td>
              <td align="justify" valign="top" width="16%">&#160;</td>
              <td align="justify" valign="top" width="2%">&#160;</td>
              <td align="justify" valign="top" width="57%">&#160;</td>
            </tr>
            <tr>
              <td valign="top" width="5%">&#160;</td>
              <td valign="top" width="16%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><strong>Item
                  No.</strong></font></div>
              </td>
              <td valign="top" width="2%">&#160;</td>
              <td valign="top" width="57%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><strong>Exhibit
                  Index</strong></font></div>
              </td>
            </tr>
            <tr>
              <td align="justify" valign="top" width="5%">&#160;</td>
              <td align="justify" valign="top" width="16%">&#160;</td>
              <td align="justify" valign="top" width="2%">&#160;</td>
              <td align="justify" valign="top" width="57%">&#160;</td>
            </tr>
            <tr>
              <td align="justify" valign="top" width="5%">&#160;</td>
              <td valign="top" width="16%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">99.1</font></div>
              </td>
              <td align="justify" valign="top" width="2%">&#160;</td>
              <td align="justify" valign="top" width="57%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Press
                  release dated August 6, 2007 issued by the
                  registrant.</font></div>
              </td>
            </tr>

        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 81pt; TEXT-INDENT: -81pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div>&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>SIGNATURE</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">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.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div>
        <table cellpadding="0" cellspacing="0" width="100%">

            <tr>
              <td align="justify" valign="top" width="40%">&#160;</td>
              <td align="justify" valign="top" width="40%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><strong>Kronos
                  Worldwide, Inc.</strong></font></div>
              </td>
            </tr>
            <tr>
              <td align="justify" valign="top" width="40%">&#160;</td>
              <td align="justify" valign="top" width="40%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(Registrant)</font></div>
              </td>
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              <td align="justify" valign="top" width="40%">&#160;</td>
              <td align="justify" valign="top" width="40%">&#160;</td>
            </tr>
            <tr>
              <td align="justify" valign="top" width="40%">&#160;</td>
              <td align="justify" valign="top" width="40%">&#160;</td>
            </tr>
            <tr>
              <td align="justify" valign="top" width="40%">&#160;</td>
              <td align="justify" valign="top" width="40%">&#160;</td>
            </tr>
            <tr>
              <td align="justify" valign="top" width="40%">&#160;</td>
              <td align="justify" valign="top" width="40%">&#160;</td>
            </tr>
            <tr>
              <td align="justify" valign="top" width="40%">&#160;</td>
              <td align="justify" valign="top" width="40%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">By:</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 17.1pt;">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">/s/
                  Gregory M. Swalwell</font></div>
              </td>
            </tr>
            <tr>
              <td align="justify" valign="top" width="40%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Date:
                  August 6, 2007</font></div>
              </td>
              <td align="justify" valign="top" width="40%">
                <div style="DISPLAY: block; MARGIN-LEFT: 27pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><em>Gregory
                  M. Swalwell, Vice President, Finance </em></font></div>
                <div style="DISPLAY: block; MARGIN-LEFT: 27pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><em>and
                  Chief Financial Officer</em></font></div>
              </td>
            </tr>

        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div><br>
      <div id="PGBRK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
        <div id="FTR">
          <div id="GLFTR" style="WIDTH: 100%" align="left">
          </div>
        </div>
        <div id="PN" style="PAGE-BREAK-AFTER: always">
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
          </div>
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
            <hr style="COLOR: black" noshade size="2">
          </div>
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      </div><br>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>INDEX
        TO EXHIBITS</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 81pt; TEXT-INDENT: -81pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div>
        <table cellpadding="0" cellspacing="0" width="100%">

            <tr>
              <td valign="top" width="20%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><strong>Item
                  No.</strong></font></div>
              </td>
              <td valign="top" width="2%">&#160;</td>
              <td valign="top" width="57%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><strong>Exhibit
                  Index</strong></font></div>
              </td>
            </tr>
            <tr>
              <td align="justify" valign="top" width="20%">&#160;</td>
              <td align="justify" valign="top" width="2%">&#160;</td>
              <td align="justify" valign="top" width="57%">&#160;</td>
            </tr>
            <tr>
              <td valign="top" width="20%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">99.1</font></div>
              </td>
              <td align="justify" valign="top" width="2%">&#160;</td>
              <td align="justify" valign="top" width="57%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Press
                  release dated August 6, 2007 issued by the
                  registrant.</font></div>
              </td>
            </tr>

        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 108pt; TEXT-INDENT: -108pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
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kwi8k2q07.htm
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)
August
        6, 2007
Kronos
        Worldwide, Inc.
(Exact
        name of registrant as specified in its charter)
Delaware
1-31763
76-0294959
(State
                  or other jurisdiction of incorporation)
(Commission
File
                  Number)
(IRS
                  Employer
Identification
                  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 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):
o
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
                  2.02
Results
                  of Operations and Financial
                  Condition.
Item
                  7.01
Regulation
                  FD Disclosure.
The
        registrant hereby furnishes the information set forth in its press release
        issued on August 6, 2007, 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 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 August 6, 2007 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)
By:
/s/
                  Gregory M. Swalwell
Date:
                  August 6, 2007
Gregory
                  M. Swalwell, Vice President, Finance
and
                  Chief Financial Officer
INDEX
        TO EXHIBITS
Item
                  No.
Exhibit
                  Index
99.1
Press
                  release dated August 6, 2007 issued by the
                  registrant.