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<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="margin-top:4pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>UNITED STATES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>SECURITIES AND EXCHANGE COMMISSION </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Washington, D.C. 20549 </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>FORM <FONT
STYLE="white-space:nowrap">8-K</FONT> </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>CURRENT
REPORT </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Pursuant to Section&nbsp;13 or 15(d) </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>of the Securities Exchange Act of 1934 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Date of report (Date of earliest event reported) January&nbsp;15, 2019 </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman" ALIGN="center"><B>Marsh&nbsp;&amp; McLennan Companies, Inc. </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Exact Name of Registrant as Specified in its Charter) </B></P> <P STYLE="margin-top:0pt;margin-bottom:0pt" ALIGN="center">


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<TD VALIGN="top" ALIGN="center"><B>Delaware</B></TD>
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<TD VALIGN="top" ALIGN="center"><B><FONT STYLE="white-space:nowrap">1-5998</FONT></B></TD>
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<TD VALIGN="top" ALIGN="center"><B><FONT STYLE="white-space:nowrap">36-2668272</FONT></B></TD></TR>
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<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(State or Other Jurisdiction</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>of Incorporation)</B></P></TD>
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<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Commission</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>File Number)</B></P></TD>
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<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(IRS Employer</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Identification No.)</B></P></TD></TR>
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<TD VALIGN="top" COLSPAN="3" ALIGN="center"><B>1166 Avenue of the Americas, New York, NY</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center"><B>10036</B></TD></TR>
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<TD VALIGN="top" COLSPAN="3" ALIGN="center"><B>(Address of Principal Executive Offices)</B></TD>
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<TD VALIGN="top" ALIGN="center"><B>(Zip Code)</B></TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Registrant&#146;s telephone number, including area code (212)
<FONT STYLE="white-space:nowrap">345-5000</FONT> </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Check the
appropriate box below if the Form <FONT STYLE="white-space:nowrap">8-K</FONT> filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) </P></TD></TR></TABLE>
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<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Soliciting material pursuant to Rule <FONT STYLE="white-space:nowrap">14a-12</FONT> under the Exchange Act (17
CFR <FONT STYLE="white-space:nowrap">240.14a-12)</FONT> </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><FONT STYLE="white-space:nowrap">Pre-commencement</FONT> communications pursuant to Rule <FONT
STYLE="white-space:nowrap">14d-2(b)</FONT> under the Exchange Act (17 CFR <FONT STYLE="white-space:nowrap">240.14d-2(b))</FONT> </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><FONT STYLE="white-space:nowrap">Pre-commencement</FONT> communications pursuant to Rule <FONT
STYLE="white-space:nowrap">13e-4(c)</FONT> under the Exchange Act (17 CFR <FONT STYLE="white-space:nowrap">240.13e-4(c))</FONT> </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933
(&#167;230.405 of this chapter) or Rule <FONT STYLE="white-space:nowrap">12b-2</FONT> of the Securities Exchange Act of 1934 <FONT STYLE="white-space:nowrap">(&#167;240.12b-2</FONT> of this chapter). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Emerging growth company&nbsp;&nbsp;&#9744; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">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&nbsp;13(a) of the Exchange Act.&nbsp;&nbsp;&#9744; </P> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P>
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<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&nbsp;1.01</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Entry into a Material Definitive Agreement </B></P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On January&nbsp;15, 2019, Marsh&nbsp;&amp; McLennan Companies, Inc. (the &#147;Company&#148;) closed its previously announced sale of
$700&nbsp;million aggregate principal amount of its 3.500% Senior Notes due 2020, $1,000&nbsp;million aggregate principal amount of its 3.875% Senior Notes due 2024, $1,250&nbsp;million aggregate principal amount of its 4.375% Senior Notes due 2029,
$500&nbsp;million aggregate principal amount of its 4.750% Senior Notes due 2039, $1,250&nbsp;million aggregate principal amount of its 4.900% Senior Notes due 2049 and $300&nbsp;million aggregate principal amount of its Floating Rate Senior Notes
due 2021 (together, the &#147;Notes&#148;). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Notes were registered under the Company&#146;s effective shelf registration statement on
Form <FONT STYLE="white-space:nowrap">S-3</FONT> (Registration <FONT STYLE="white-space:nowrap">No.&nbsp;333-226427)</FONT> under the Securities Act of 1933, as amended, as filed with the Securities and Exchange Commission on July&nbsp;30, 2018 and
were offered by means of the Company&#146;s prospectus dated July&nbsp;30, 2018, as supplemented by the prospectus supplement dated January&nbsp;8, 2019. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Notes were issued on January&nbsp;15, 2019 pursuant to the Indenture dated July&nbsp;15, 2011, by and between the Company and The Bank of
New York Mellon, as trustee (the &#147;Trustee&#148;), filed as Exhibit 4.1 to the Company&#146;s Quarterly Report on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> for the quarter ended June&nbsp;30, 2011, as supplemented by an Eleventh
Supplemental Indenture (the &#147;Supplemental Indenture&#148;), dated as of January&nbsp;15, 2019, by and between the Company and the Trustee (attached hereto as Exhibit 4.1 and incorporated herein by reference). The forms of the Notes are attached
hereto as Exhibits 4.2 through 4.7 and are incorporated herein by reference. In connection with the closing of the offering of the Floating Rate Senior Notes due 2021, the Company also entered into a calculation agency agreement (the
&#147;Calculation Agency Agreement&#148;), dated as of January&nbsp;15, 2019, with The Bank of New York Mellon, as calculation agent (attached hereto as Exhibit 4.8 and incorporated herein by reference). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The foregoing descriptions of the Supplemental Indenture, the Notes and the Calculation Agency Agreement contained herein are summaries and
are qualified in their entirety by the Supplemental Indenture, the forms of the Notes and the Calculation Agency Agreement attached hereto as Exhibits 4.1 through 4.8, respectively. </P>
<P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&nbsp;8.01</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Other Events </B></P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A copy of the opinion of Davis Polk&nbsp;&amp; Wardwell LLP, counsel to the Company, relating to the legality of the Notes is filed as Exhibit
5.1 hereto. </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&nbsp;9.01</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Financial Statements and Exhibits </B></P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>(d) Exhibits </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; "><B>Description</B></P></TD></TR>


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<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.1</B></TD>
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<TD VALIGN="top"><B>Eleventh Supplemental Indenture, dated January&nbsp;15, 2019, between Marsh&nbsp;&amp; McLennan Companies, Inc. and The Bank of New York Mellon, as trustee.</B></TD></TR>
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<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.2</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><B>Form of 3.500% Senior Notes due 2020 (included in Exhibit 4.1 above).</B></TD></TR>
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<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.3</B></TD>
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<TD VALIGN="top"><B>Form of 3.875% Senior Notes due 2024 (included in Exhibit 4.1 above).</B></TD></TR>
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<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.4</B></TD>
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<TD VALIGN="top"><B>Form of 4.375% Senior Notes due 2029 (included in Exhibit 4.1 above).</B></TD></TR></TABLE>
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<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.5</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><B>Form of 4.750% Senior Notes due 2039 (included in Exhibit 4.1 above).</B></TD></TR>
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<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.6</B></TD>
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<TD VALIGN="top"><B>Form of 4.900% Senior Notes due 2049 (included in Exhibit 4.1 above).</B></TD></TR>
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<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.7</B></TD>
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<TD VALIGN="top"><B>Form of Floating Rate Senior Notes due 2021 (included in Exhibit 4.1 above).</B></TD></TR>
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<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.8</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><B>Calculation Agency Agreement, dated January&nbsp;15, 2019, between Marsh&nbsp;&amp; McLennan Companies, Inc. and The Bank of New York Mellon, as calculation agent.</B></TD></TR>
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<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;5.1</B></TD>
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<TD VALIGN="top"><B>Opinion of Davis Polk&nbsp;&amp; Wardwell LLP.</B></TD></TR>
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<TD VALIGN="top" NOWRAP><B>23.1</B></TD>
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<TD VALIGN="top"><B>Consent of Davis Polk&nbsp;&amp; Wardwell (included in Exhibit 5.1 above).</B></TD></TR>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>EXHIBIT INDEX </B></P>
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<TD VALIGN="bottom" NOWRAP ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Exhibit<BR>No.</TD>
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<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; ">Exhibit</P></TD></TR>


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<TD HEIGHT="8" COLSPAN="2"></TD></TR>
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<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.1</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><B><A HREF="d683916dex41.htm">Eleventh Supplemental Indenture, dated January&nbsp;15, 2019, between Marsh&nbsp;&amp; McLennan Companies, Inc. and The Bank of New York Mellon, as trustee. </A></B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.2</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><B><A HREF="d683916dex41.htm">Form of 3.500% Senior Notes due 2020 (included in Exhibit 4.1 above). </A></B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.3</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><B><A HREF="d683916dex41.htm">Form of 3.875% Senior Notes due 2024 (included in Exhibit 4.1 above). </A></B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.4</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><B><A HREF="d683916dex41.htm">Form of 4.375% Senior Notes due 2029 (included in Exhibit 4.1 above). </A></B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.5</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><B><A HREF="d683916dex41.htm">Form of 4.750% Senior Notes due 2039 (included in Exhibit 4.1 above). </A></B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.6</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><B><A HREF="d683916dex41.htm">Form of 4.900% Senior Notes due 2049 (included in Exhibit 4.1 above). </A></B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.7</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><B><A HREF="d683916dex41.htm">Form of Floating Rate Senior Notes due 2021 (included in Exhibit 4.1 above). </A></B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;4.8</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><B><A HREF="d683916dex48.htm">Calculation Agency Agreement, dated January&nbsp;15, 2019, between Marsh&nbsp;&amp; McLennan Companies, Inc. and The Bank of New York Mellon, as calculation agent. </A></B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP><B>&nbsp;&nbsp;5.1</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><B><A HREF="d683916dex51.htm">Opinion of Davis Polk&nbsp;&amp; Wardwell LLP.</A></B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP><B>23.1</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><B><A HREF="d683916dex51.htm">Consent of Davis Polk&nbsp;&amp; Wardwell (included in Exhibit 5.1 above).</A></B></TD></TR>
</TABLE>
</DIV></Center>


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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>SIGNATURES </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; 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. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="50%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


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<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="87%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">MARSH&nbsp;&amp; MCLENNAN COMPANIES, INC.</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">By:</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">/s/ Katherine J. Brennan</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Name:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Katherine J. Brennan</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Title:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Deputy General Counsel,</P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Chief Compliance Officer &amp;</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Corporate Secretary</P></TD></TR>
</TABLE></DIV> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Date: January&nbsp;15, 2019 </P>
</DIV></Center>

</BODY></HTML>
[{"type": "8-K", "sequence": "1", "filename": "d683916d8k.htm", "description": "FORM 8-K", "secsgml_size_bytes": 28713}]
{"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": "19526238"}, "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"}]}
Form 8-K
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) January 15, 2019
Marsh & McLennan Companies, Inc.
(Exact Name of Registrant as Specified in its 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:
☐
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))
Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933
(§230.405 of this chapter) or Rule
12b-2
of the Securities Exchange Act of 1934
(§240.12b-2
of this chapter).
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 1.01
Entry into a Material Definitive Agreement
On January 15, 2019, Marsh & McLennan Companies, Inc. (the "Company") closed its previously announced sale of
$700 million aggregate principal amount of its 3.500% Senior Notes due 2020, $1,000 million aggregate principal amount of its 3.875% Senior Notes due 2024, $1,250 million aggregate principal amount of its 4.375% Senior Notes due 2029,
$500 million aggregate principal amount of its 4.750% Senior Notes due 2039, $1,250 million aggregate principal amount of its 4.900% Senior Notes due 2049 and $300 million aggregate principal amount of its Floating Rate Senior Notes
due 2021 (together, the "Notes").
The Notes were registered under the Company's effective shelf registration statement on
Form
S-3
(Registration
No. 333-226427)
under the Securities Act of 1933, as amended, as filed with the Securities and Exchange Commission on July 30, 2018 and
were offered by means of the Company's prospectus dated July 30, 2018, as supplemented by the prospectus supplement dated January 8, 2019.
The Notes were issued on January 15, 2019 pursuant to the Indenture dated July 15, 2011, by and between the Company and The Bank of
New York Mellon, as trustee (the "Trustee"), filed as Exhibit 4.1 to the Company's Quarterly Report on Form
10-Q
for the quarter ended June 30, 2011, as supplemented by an Eleventh
Supplemental Indenture (the "Supplemental Indenture"), dated as of January 15, 2019, by and between the Company and the Trustee (attached hereto as Exhibit 4.1 and incorporated herein by reference). The forms of the Notes are attached
hereto as Exhibits 4.2 through 4.7 and are incorporated herein by reference. In connection with the closing of the offering of the Floating Rate Senior Notes due 2021, the Company also entered into a calculation agency agreement (the
"Calculation Agency Agreement"), dated as of January 15, 2019, with The Bank of New York Mellon, as calculation agent (attached hereto as Exhibit 4.8 and incorporated herein by reference).
The foregoing descriptions of the Supplemental Indenture, the Notes and the Calculation Agency Agreement contained herein are summaries and
are qualified in their entirety by the Supplemental Indenture, the forms of the Notes and the Calculation Agency Agreement attached hereto as Exhibits 4.1 through 4.8, respectively.
Item 8.01
Other Events
A copy of the opinion of Davis Polk & Wardwell LLP, counsel to the Company, relating to the legality of the Notes is filed as Exhibit
5.1 hereto.
Item 9.01
Financial Statements and Exhibits
(d) Exhibits
Exhibit
No.
Description
4.1
Eleventh Supplemental Indenture, dated January 15, 2019, between Marsh & McLennan Companies, Inc. and The Bank of New York Mellon, as trustee.
4.2
Form of 3.500% Senior Notes due 2020 (included in Exhibit 4.1 above).
4.3
Form of 3.875% Senior Notes due 2024 (included in Exhibit 4.1 above).
4.4
Form of 4.375% Senior Notes due 2029 (included in Exhibit 4.1 above).
4.5
Form of 4.750% Senior Notes due 2039 (included in Exhibit 4.1 above).
4.6
Form of 4.900% Senior Notes due 2049 (included in Exhibit 4.1 above).
4.7
Form of Floating Rate Senior Notes due 2021 (included in Exhibit 4.1 above).
4.8
Calculation Agency Agreement, dated January 15, 2019, between Marsh & McLennan Companies, Inc. and The Bank of New York Mellon, as calculation agent.
5.1
Opinion of Davis Polk & Wardwell LLP.
23.1
Consent of Davis Polk & Wardwell (included in Exhibit 5.1 above).
EXHIBIT INDEX
Exhibit
No.
Exhibit
4.1
Eleventh Supplemental Indenture, dated January 15, 2019, between Marsh & McLennan Companies, Inc. and The Bank of New York Mellon, as trustee.
4.2
Form of 3.500% Senior Notes due 2020 (included in Exhibit 4.1 above).
4.3
Form of 3.875% Senior Notes due 2024 (included in Exhibit 4.1 above).
4.4
Form of 4.375% Senior Notes due 2029 (included in Exhibit 4.1 above).
4.5
Form of 4.750% Senior Notes due 2039 (included in Exhibit 4.1 above).
4.6
Form of 4.900% Senior Notes due 2049 (included in Exhibit 4.1 above).
4.7
Form of Floating Rate Senior Notes due 2021 (included in Exhibit 4.1 above).
4.8
Calculation Agency Agreement, dated January 15, 2019, between Marsh & McLennan Companies, Inc. and The Bank of New York Mellon, as calculation agent.
5.1
Opinion of Davis Polk & Wardwell LLP.
23.1
Consent of Davis Polk & Wardwell (included in Exhibit 5.1 above).
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/ Katherine J. Brennan
Name:
Katherine J. Brennan
Title:
Deputy General Counsel,
Chief Compliance Officer &
Corporate Secretary
Date: January 15, 2019