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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>
<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>
<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>UNITED STATES</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>SECURITIES AND EXCHANGE COMMISSION</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><b><font size=2>Washington, D.C. 20549</font></b></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><b><font size=2>_____________________</font></b></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>FORM 8-K</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>CURRENT REPORT</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><b><font size=2>Pursuant to Section 13 or 15(d) of the </font></b></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><b><font size=2>Securities Exchange Act of 1934</font></b></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>Date of report (Date of earliest event reported)</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font size=2>September 17, 2009</font></u></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>Marsh &amp; McLennan Companies, Inc.</font></p> </td> </tr>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(Exact Name of Registrant as Specified in Charter)</font></p> </td> </tr>
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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>Delaware</font></p> </td>
        <td width="226" valign=top style='border-bottom:solid black 1.0pt; padding:0pt 5.4pt 0pt 5.4pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>1-5998</font></p> </td>
        <td width="226" valign=top style='border-bottom:solid black 1.0pt; padding:0pt 5.4pt 0pt 5.4pt'>
            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>36-2668272</font></p> </td> </tr>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(State or Other Jurisdiction of Incorporation)</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(Commission File Number)</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(IRS Employer</font><br> <font size=2>Identification No.)</font></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>1166 Avenue of the Americas, New York, NY</font> </p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10036</font></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>(Address of Principal Executive Offices)</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>(Zip Code)</font></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>Registrant&#146;s telephone number, including area code</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font size=2>(212) 345-5000</font></u></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.51in;text-align:left;'><font size=2>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></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:125.28%'><font face=Wingdings>o</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:125.28%'><font size=2>Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</font></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:125.28%'><font face=Wingdings>o</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:125.28%'><font size=2>Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:125.28%'><font face=Wingdings>o</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:125.28%'><font size=2>Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act</font></p> </td> </tr></table>
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<p style=' margin-bottom:3pt; margin-top:0pt; margin-left:0.63in;text-align:left;'><font size=2>(17 CFR 240.14d-2(b))</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:125.28%'><font face=Wingdings>o</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:125.28%'><font size=2>Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act</font></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:0.63in;text-align:left;'><font size=2>(17 CFR 240.13e-4(c))</font></p>

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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Item 5.03</font></b></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year</font></b></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.5in;text-align:left;'><font size=2>On and effective September 17, 2009, the board of directors (the "Board") of Marsh &amp; McLennan Companies, Inc. ("MMC") approved an amendment&nbsp;to Article II, Section 2.03 of MMC's Amended &amp; Restated By-laws to require the Secretary of MMC, subject to certain limitations, to call a special meeting upon written request to the Secretary of stockholders of record of at least twenty percent (20%) of the voting power of the outstanding common stock of MMC entitled to vote on the matter or matters to be brought before the proposed special meeting. MMC's Amended &amp; Restated By-laws previously did not allow stockholders to call a special meeting. The Board also approved an amendment to MMC&#146;s advance notice requirements.</font></p>

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<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.5in;text-align:left;'><font size=2>In addition to the amendments described above, the amended By-laws include certain changes to clarify language and make other non-substantive changes.  This summary is qualified in its entirety by reference to the Amended &amp; Restated By-laws, as so amended, a copy of which is attached hereto as Exhibit 3.1 and incorporated herein by reference.  </font></p>

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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Item 9.01</font></b></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Financial Statements and Exhibits</font></b></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>(d)</font></b></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Exhibits</font></b></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>Exhibit 3.1</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>Amended and Restated By-laws of Marsh &amp; McLennan Companies, Inc.</font></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>SIGNATURES</font></B></p>

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<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.51in;text-align:left;'><font size=2>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></p>

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<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:2.25in; text-indent:0.65in;text-align:left;'><font size=2>MARSH &amp; McLENNAN COMPANIES, INC.</font></p>

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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>/s/ Luciana Fato</font></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
        <td width="48" nowrap valign=top style='padding:0pt 0pt 0pt 0pt; '>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>&nbsp;&nbsp;Name:</font></p> </td>
        <td width="103" nowrap valign=top style='padding:0pt 0pt 0pt 0pt; '>
            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>Luciana Fato</font></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>&nbsp;&nbsp;Title:</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>Deputy General Counsel &amp; Corporate</font></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:3.62in;text-align:left;'><font size=2>&nbsp;&nbsp;Secretary</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:2.88in;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:2.88in;text-align:left;'><font size=2>&nbsp;</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>Date:</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>September 22, 2009</font></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><A NAME="PAGENUM"><font size=2>3</font>
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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2> </font></p>
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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>
<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>EXHIBIT INDEX</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font size=2>Exhibit No.</font></u></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font size=2>Exhibit</font></u></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>


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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>3.1</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>Amended and Restated By-laws of Marsh &amp; McLennan Companies, Inc.</font></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:1in; text-indent:-1in;text-align:left;'><font size=2>&nbsp;</font></p>

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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>
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{"company-data": {"conformed-name": "MARSH & MCLENNAN COMPANIES, INC.", "cik": "0000062709", "assigned-sic": "6411", "irs-number": "362668272", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-05998", "film-number": "091080870"}, "business-address": {"street1": "1166 AVENUE OF THE AMERICAS", "city": "NEW YORK", "state": "NY", "zip": "10036", "phone": "2123455000"}, "mail-address": {"street1": "1166 AVENUE OF THE AMERICAS", "city": "NEW YORK", "state": "NY", "zip": "10036"}, "former-company": [{"former-conformed-name": "MARSH & MCLENNAN COMPANIES INC", "date-changed": "19920703"}, {"former-conformed-name": "MARLENNAN CORP", "date-changed": "19760505"}]}
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 earliest event reported)
September 17, 2009
Marsh & McLennan Companies, Inc.
(Exact Name of Registrant as Specified in Charter)
Delaware
1-5998
36-2668272
(State or Other Jurisdiction of Incorporation)
(Commission File Number)
(IRS Employer
Identification No.)
1166 Avenue of the Americas, New York, NY
10036
(Address of Principal Executive Offices)
(Zip Code)
Registrant's telephone number, including area code
(212) 345-5000
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:
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act
(17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act
(17 CFR 240.13e-4(c))
Item 5.03
Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
On and effective September 17, 2009, the board of directors (the "Board") of Marsh & McLennan Companies, Inc. ("MMC") approved an amendment to Article II, Section 2.03 of MMC's Amended & Restated By-laws to require the Secretary of MMC, subject to certain limitations, to call a special meeting upon written request to the Secretary of stockholders of record of at least twenty percent (20%) of the voting power of the outstanding common stock of MMC entitled to vote on the matter or matters to be brought before the proposed special meeting. MMC's Amended & Restated By-laws previously did not allow stockholders to call a special meeting. The Board also approved an amendment to MMC's advance notice requirements.
In addition to the amendments described above, the amended By-laws include certain changes to clarify language and make other non-substantive changes.  This summary is qualified in its entirety by reference to the Amended & Restated By-laws, as so amended, a copy of which is attached hereto as Exhibit 3.1 and incorporated herein by reference.
Item 9.01
Financial Statements and Exhibits
(d)
Exhibits
Exhibit 3.1
Amended and Restated By-laws of Marsh & McLennan Companies, Inc.
2
SIGNATURES
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.
MARSH & McLENNAN COMPANIES, INC.
By:
/s/ Luciana Fato
Name:
Luciana Fato
Title:
Deputy General Counsel & Corporate
Secretary
Date:
September 22, 2009
3
EXHIBIT INDEX
Exhibit No.
Exhibit
3.1
Amended and Restated By-laws of Marsh & McLennan Companies, Inc.
4