<SEC-DOCUMENT>0000903423-15-000616.txt : 20151102
<SEC-HEADER>0000903423-15-000616.hdr.sgml : 20151102
<ACCEPTANCE-DATETIME>20151102155552
ACCESSION NUMBER:		0000903423-15-000616
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20151102
DATE AS OF CHANGE:		20151102

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MDC PARTNERS INC
		CENTRAL INDEX KEY:			0000876883
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ADVERTISING AGENCIES [7311]
		IRS NUMBER:				980364441
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-53561
		FILM NUMBER:		151190573

	BUSINESS ADDRESS:	
		STREET 1:		745 FIFTH AVENUE, 19TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10151
		BUSINESS PHONE:		646 429 1800

	MAIL ADDRESS:	
		STREET 1:		745 FIFTH AVENUE, 19TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10151

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MDC CORP INC
		DATE OF NAME CHANGE:	20001204

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MDC COMMUNICATIONS CORP
		DATE OF NAME CHANGE:	19961028

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MDC CORPORATION
		DATE OF NAME CHANGE:	19950419

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NADAL MILES
		CENTRAL INDEX KEY:			0001283589

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	MAIL ADDRESS:	
		STREET 1:		PO BOX N1991
		STREET 2:		PARADISE ISLAND
		CITY:			NASSAU
		STATE:			C5
		ZIP:			999999999
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>nadal13d.htm
<TEXT>
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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>UNITED STATES</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>SECURITIES AND EXCHANGE COMMISSION</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Washington, D.C. 20549</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SCHEDULE 13D</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Under the Securities Exchange Act of 1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>(Amendment No. 2)*</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in"><B>&nbsp;</B></P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>MDC Partners Inc.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Name of Issuer)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Class A Subordinate Voting Shares without
par value</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Title of Class of Securities)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>552697104</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(CUSIP Number)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Miles S. Nadal</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">c/o Platinum Pineapple</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">PO Box SS-19221</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">Nassau, Bahamas</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>October 29, 2015</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Date of Event which Requires Filing of this
Statement)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">If the filing person has previously filed a
statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because
of &sect;&sect;240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. <FONT STYLE="font-family: Wingdings">&#168;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B>Note:</B> Schedules filed in paper format
shall include a signed original and five copies of the schedule, including all exhibits. See &sect;240.13d-7(b) for other parties
to whom copies are to be sent.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">*The remainder of this cover page shall be
filled out for a reporting person&rsquo;s initial filing on this form with respect to the subject class of securities, and for
any subsequent amendment containing information which would alter disclosures provided in a prior cover page.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The information required on the remainder of
this cover page shall not be deemed to be &ldquo;filed&rdquo; for the purpose of Section 18 of the Securities Exchange Act of 1934
(&ldquo;Act&rdquo;) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions
of the Act (however, see the Notes).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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    <TD STYLE="width: 23%; border: black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-top: 3.75pt; padding-bottom: 3.75pt"><FONT STYLE="font-size: 10pt"><B>CUSIP No. 552697104</B></FONT></TD>
    <TD STYLE="width: 56%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-top: 3.75pt; padding-bottom: 3.75pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>13D/A</B></FONT></TD>
    <TD STYLE="width: 21%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-top: 3.75pt; padding-bottom: 3.75pt"><FONT STYLE="font-size: 10pt"><B>Page 2 of 5</B></FONT></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="border: black 1pt solid; font: 18pt Times New Roman, Times, Serif; padding: 3.75pt 6.1pt; text-align: center"><FONT STYLE="font-size: 18pt">1</FONT></TD>
    <TD COLSPAN="4" STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 3.75pt 6.1pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">NAMES OF REPORTING PERSONS</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Miles S. Nadal</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font: 18pt Times New Roman, Times, Serif; padding: 3.75pt 6.1pt; text-align: center"><FONT STYLE="font-size: 18pt">2</FONT></TD>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; padding: 3.75pt 6.1pt; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">(a) <FONT STYLE="font-family: Wingdings">&#168;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">(b) <FONT STYLE="font-family: Wingdings">&#168;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font: 18pt Times New Roman, Times, Serif; padding: 3.75pt 6.1pt; text-align: center"><FONT STYLE="font-size: 18pt">3</FONT></TD>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding: 3.75pt 6.1pt; border-right: black 1pt solid"><FONT STYLE="font-size: 10pt">SEC USE ONLY</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font: 18pt Times New Roman, Times, Serif; padding: 3.75pt 6.1pt; text-align: center"><FONT STYLE="font-size: 18pt">4</FONT></TD>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; padding: 3.75pt 6.1pt; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SOURCE OF FUNDS</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">PF, OO</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font: 18pt Times New Roman, Times, Serif; padding: 3.75pt 6.1pt; text-align: center"><FONT STYLE="font-size: 18pt">5</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding: 3.75pt 6.1pt"><FONT STYLE="font-size: 10pt">CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding: 3.75pt 6.1pt; border-right: black 1pt solid"><FONT STYLE="font: 10pt Wingdings">&#168;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font: 18pt Times New Roman, Times, Serif; padding: 3.75pt 6.1pt; text-align: center"><FONT STYLE="font-size: 18pt">6</FONT></TD>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; padding: 3.75pt 6.1pt; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">CITIZENSHIP OR PLACE OF ORGANIZATION</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Canada</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD NOWRAP COLSPAN="2" STYLE="border-left: black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding: 3.75pt 6pt; border-right: black 1pt solid; text-align: center"><FONT STYLE="font-size: 10pt">NUMBER OF SHARES</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font: 18pt Times New Roman, Times, Serif; padding: 3.75pt 6pt; border-right: black 1pt solid; text-align: center"><FONT STYLE="font-size: 18pt">7</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1pt solid; padding: 3.75pt 6pt; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SOLE VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">3,820,043</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD NOWRAP COLSPAN="2" STYLE="border-left: black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding: 3.75pt 6pt; border-right: black 1pt solid; text-align: center"><FONT STYLE="font-size: 10pt">BENEFICIALLY</FONT><BR>
<BR>
<FONT STYLE="font-size: 10pt">OWNED BY</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font: 18pt Times New Roman, Times, Serif; padding: 3.75pt 6pt; border-right: black 1pt solid; text-align: center"><FONT STYLE="font-size: 18pt">8</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1pt solid; padding: 3.75pt 6pt; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SHARED VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">0</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD NOWRAP COLSPAN="2" STYLE="border-left: black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding: 3.75pt 6pt; border-right: black 1pt solid; text-align: center"><FONT STYLE="font-size: 10pt">EACH REPORTING</FONT><BR>
<BR>
<FONT STYLE="font-size: 10pt">PERSON </FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font: 18pt Times New Roman, Times, Serif; padding: 3.75pt 6pt; border-right: black 1pt solid; text-align: center"><FONT STYLE="font-size: 18pt">9</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1pt solid; padding: 3.75pt 6pt; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SOLE DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">3,820,043</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD NOWRAP COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding: 3.75pt 6pt; text-align: center"><FONT STYLE="font-size: 10pt">WITH</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font: 18pt Times New Roman, Times, Serif; padding: 3.75pt 6pt; border-right: black 1pt solid; text-align: center"><FONT STYLE="font-size: 18pt">10</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1pt solid; padding: 3.75pt 6pt; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">SHARED DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">0</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font: 18pt Times New Roman, Times, Serif; padding: 3.75pt 6pt; text-align: center"><FONT STYLE="font-size: 18pt">11</FONT></TD>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; padding: 3.75pt 6pt; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">3,820,043</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font: 18pt Times New Roman, Times, Serif; padding: 3.75pt 6pt; text-align: center"><FONT STYLE="font-size: 18pt">12</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding: 3.75pt 6pt"><FONT STYLE="font-size: 10pt">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding: 3.75pt 6pt; border-right: black 1pt solid"><FONT STYLE="font: 10pt Wingdings">x</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font: 18pt Times New Roman, Times, Serif; padding: 3.75pt 6pt; text-align: center"><FONT STYLE="font-size: 18pt">13</FONT></TD>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; padding: 3.75pt 6pt; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">7.5%(1)</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font: 18pt Times New Roman, Times, Serif; padding: 3.75pt 6pt; text-align: center"><FONT STYLE="font-size: 18pt">14</FONT></TD>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; padding: 3.75pt 6pt; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">TYPE OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">IN</P></TD></TR>
<TR>
    <TD STYLE="width: 10%; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 10%; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 10%; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 65%; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 5%; font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">(1) Based on 50,639,989 Class A Shares of the Issuer outstanding
as of August 6, 2015, as reported in the Issuer&rsquo;s Quarterly Report on Form 10-Q filed with the SEC for the period ended June
30, 2015.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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                                         <!-- Field: Sequence; Type: Arabic; Name: PageNo -->3</B><!-- Field: /Sequence --> <FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>of
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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"></P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">This Amendment No. 2 (&ldquo;<U>Amendment No.
2</U>&rdquo;) to Schedule 13D amends and supplements the statement on Schedule 13D originally filed by Miles S. Nadal (the &ldquo;<U>Reporting
Person</U>&rdquo;) on March 26, 2007, as amended and supplemented by Amendment No. 1 filed on May 12, 2014 (the &ldquo;<U>Schedule
13D</U>&rdquo;), relating to the Class A Subordinate Voting Shares without par value (the &ldquo;<U>Class A Shares</U>&rdquo;)
of MDC Partners Inc., a Canadian corporation (the &ldquo;<U>Issuer</U>&rdquo;). Except as specifically amended and supplemented
by this Amendment No. 2, all other provisions of the Schedule 13D remain in full force and effect. Unless otherwise indicated,
each capitalized term used but not defined herein shall have the meaning assigned to such term in the Schedule 13D.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

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    <TD STYLE="width: 0px; font: 12pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 84px; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Item&nbsp;2.</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-decoration: underline"><FONT STYLE="font-size: 10pt"><U>Identity and Background</U></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Item 2 of the Schedule 13D is hereby amended
and restated as set forth below:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Miles S. Nadal</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Mr. Nadal&rsquo;s
address is c/o Platinum Pineapple, PO Box SS-19221, Nassau, Bahamas.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Mr. Nadal is
the former Chairman of the Board and Chief Executive Officer of the Issuer and is currently self-employed.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Mr. Nadal has
not, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;During the
last five years, Mr. Nadal has not been party to a civil proceeding of a judicial or administrative body of competent jurisdiction
and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting
or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">(f)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Mr. Nadal is
a citizen of Canada.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 0px; font: 12pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 84px; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Item&nbsp;4.</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-decoration: underline"><FONT STYLE="font-size: 10pt"><U>Purpose of the Transaction</U></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Item 4 of the Schedule 13D is hereby amended
and restated as set forth below:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Mr. Nadal owns securities of the Issuer for
investment purposes. Mr. Nadal intends to review on a continuing basis his investment in the Issuer and may from time to time decrease
his investment in the Issuer depending upon the price and availability of the Issuer&rsquo;s securities, subsequent developments
affecting the Issuer, the Issuer&rsquo;s business and prospects, other investment and business opportunities available to Mr. Nadal,
general stock market and economic conditions, tax considerations and other factors.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On May 13, 2014, the Issuer and Mr. Nadal entered
into an underwriting agreement and a price determination agreement with BMO Capital Markets Corp. Pursuant to such agreements,
Mr. Nadal agreed to sell 3,500,000 of his Class A Shares in a registered secondary public offering to the Underwriter at a price
of $23.14 per share.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In addition, on October 29, 2015, Mr. Nadal
sold an aggregate of 1,842,000 shares of his Class A shares at an average price per share (net of commissions) of $20.50 open market
transactions.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"></P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>





<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"></P>

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                                         </B><!-- Field: Sequence; Type: Arabic; Name: PageNo --><B>4</B><!-- Field: /Sequence -->
                                         <FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>of 5</B></FONT></TD></TR></TABLE></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Item 6 of the Schedule 13D is incorporated herein
by reference.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 0px; font-size: 12pt">&nbsp;</TD>
    <TD STYLE="width: 84px; font-size: 10pt"><FONT STYLE="font-size: 10pt">Item&nbsp;5.</FONT></TD>
    <TD STYLE="font-size: 10pt; text-decoration: underline"><FONT STYLE="font-size: 10pt"><U>Interests in Securities of the Issuer</U></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Item 5 of the Schedule 13D is hereby amended
and restated as set forth below:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: 0.5in">(a) As of October 29, 2015, the Reporting
Person beneficially owned an aggregate of 3,820,043 Class A Shares, representing an aggregate of 7.5% of the outstanding Class
A Shares. </P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: 0.5in">(b) Mr. Nadal has the sole power to
vote and the sole power to dispose or to direct the disposition of all of his beneficially owned Class A Shares.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: 0.5in">(c) On October 29, 2015, Mr. Nadal
sold an aggregate of 1,842,000 shares of Common Stock at an average price per share (net of commissions) of $20.50 in open market
transactions. In addition, Mr. Nadal made a charitable donation of 30,340 shares on December 23, 2014.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: 0.5in">(d) Not applicable.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 1in">(e) Nadal Investments Company, a Nova Scotia corporation,
Nadal Investments II Company, a Nova Scotia corporation, Nadal Investments III Company, a Nova Scotia corporation, and Nadal Investments
Limited, a Bahamian corporation, previously reported as reporting persons on the Schedule 13D.&nbsp; As of August 1, 2007, Nadal
Investments Company, Nadal Investments II Company and Nadal Investments III Company dissolved and ceased to beneficially own any
Class A Shares.&nbsp; Nadal Investments Limited ceased to beneficially own Class A Shares in 2010.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 6. Contracts, Arrangements, Understandings or Relationships
with Respect to Securities of the Issuer</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Item 6 of the Schedule 13D is amended and restated with the following:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">The Issuer entered into a Separation Agreement with Mr. Nadal, effective
July 20, 2015. Pursuant to the Separation Agreement, Mr. Nadal agreed, among other things, to: (i) resign as Chief Executive Officer
of the Issuer; (ii) repay to the Issuer certain amounts paid to or for the benefit of Mr. Nadal and an affiliate; and (iii) customary
non-disparagement and confidentiality obligations, reaffirmation of restrictive covenants, and an intellectual property rights
assignment. The term of the Services Agreement was terminated effective July 20, 2015 pursuant to the terms of the Separation Agreement.
The foregoing description of the Separation Agreement is qualified in its entirety by reference to the full text of the Separation
Agreement, which is filed as Exhibit 10.23 to this Schedule 13D and incorporated herein by reference.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Item 4 is incorporated herein by reference.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Other than as set forth above or otherwise described in this Schedule
13D, there are no contracts, arrangements, understandings or relationships with respect to any securities of the Issuer to which
either of the Reporting Persons is a party.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 0px; font-size: 12pt">&nbsp;</TD>
    <TD STYLE="width: 84px; font-size: 10pt"><FONT STYLE="font-size: 10pt">Item&nbsp;7.</FONT></TD>
    <TD STYLE="font-size: 10pt; text-decoration: underline"><FONT STYLE="font-size: 10pt"><U>Material to Be Filed as Exhibits </U></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Item 7 of the Schedule 13D is amended by inserting
the following Exhibit 10.22 thereof:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Exhibit 10.23 &ndash; Separation Agreement,
dated as of July 20, 2015 by and among the Issuer and Miles Nadal (incorporated by reference to Exhibit 10.1 of the Issuer&rsquo;s
Report on Form 8-K filed on July 20, 2015).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>


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                                         <!-- Field: Sequence; Type: Arabic; Name: PageNo -->5<!-- Field: /Sequence --></B> <FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>of
                                         5</B></FONT></TD></TR></TABLE></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-align: center">S<B>ignature</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">After reasonable inquiry and to the best of
my knowledge and belief, I hereby certify that the information set forth in this statement is true, complete and correct.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; font-size: 10pt"><FONT STYLE="font-size: 10pt">Dated:&nbsp;&nbsp;November 2, 2015</FONT></TD>
    <TD STYLE="width: 50%; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-size: 10pt">/s/ Miles S. Nadal</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Miles S. Nadal</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

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    <TD STYLE="width: 100%; font-size: 10pt; text-align: center">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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