<SEC-DOCUMENT>0001062993-19-003263.txt : 20190809
<SEC-HEADER>0001062993-19-003263.hdr.sgml : 20190809
<ACCEPTANCE-DATETIME>20190809163225
ACCESSION NUMBER:		0001062993-19-003263
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190809
DATE AS OF CHANGE:		20190809

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			North American Construction Group Ltd.
		CENTRAL INDEX KEY:			0001368519
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-82223
		FILM NUMBER:		191013380

	BUSINESS ADDRESS:	
		STREET 1:		27287 100 AVENUE
		CITY:			ACHESON
		STATE:			A0
		ZIP:			T7X 6H8
		BUSINESS PHONE:		780-960-7171

	MAIL ADDRESS:	
		STREET 1:		27287 100 AVENUE
		CITY:			ACHESON
		STATE:			A0
		ZIP:			T7X 6H8

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	North American Energy Partners Inc.
		DATE OF NAME CHANGE:	20061129

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NORTH AMERICAN ENERGY PARTNERS INC.
		DATE OF NAME CHANGE:	20061129

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NACG Holdings Inc.
		DATE OF NAME CHANGE:	20060707

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Polar Asset Management Partners Inc.
		CENTRAL INDEX KEY:			0001326389
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		401 BAY STREET
		STREET 2:		SUITE 1900, P.O. BOX 19
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5H 2Y4
		BUSINESS PHONE:		416-367-4364

	MAIL ADDRESS:	
		STREET 1:		401 BAY STREET
		STREET 2:		SUITE 1900, P.O. BOX 19
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5H 2Y4

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Polar Securities Inc.
		DATE OF NAME CHANGE:	20050506
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>sched13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
<HTML>
<HEAD>
   <TITLE>Polar Asset Management Partners Inc.  - Schedule 13G/A - Filed by newsfilecorp.com</TITLE>
   <META name="HandheldFriendly" content="true">
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<BODY style="font-size:10pt;">

<HR noshade align="center" width=100% size=3 color="black">
<A name=page_1></A>
<P align=center><B><FONT size=5>UNITED STATES</FONT></B><BR><B><FONT
size=5>SECURITIES AND EXCHANGE COMMISSION</FONT></B><B> </B><BR>Washington, D.C.
20549<B> </B></P>
<P align=center><B><FONT size=5>SCHEDULE 13G/A</FONT></B></P>
<P align=center>Amendment No. 4</P>
<P align=center>Under the Securities Exchange Act of 1934</P>
<P align=center><B><U><FONT size=5>North American Construction Group Ltd. (fka
North American Energy Partners Inc.)</FONT></U></B><BR>(Name of Issuer)</P>
<P align=center><B><U>Common Shares</U></B><BR>(Title of Class of
Securities)<BR></P>
<P align=center><B><U>656811106</U></B><BR>(CUSIP Number)<BR></P>
<P align=center><B><U>July 31, 2019</U></B><BR>(Date of Event Which Requires
Filing of this Statement)<BR></P>
<P align=justify>Check the appropriate box to designate the rule pursuant to
which this Schedule is filed:</P>
<P style="MARGIN-LEFT: 5%" align=justify>[X] Rule 13d-1(b)</P>
<P style="MARGIN-LEFT: 5%" align=justify>[&nbsp;&nbsp; ] Rule 13d-1(c)</P>
<P style="MARGIN-LEFT: 5%" align=justify>[&nbsp; &nbsp;] Rule 13d-1(d)</P>
<P align=center>(Page 1 of 6 Pages) </P>
<P align=justify>*The remainder of this cover page shall be filled out for a
reporting person's initial filing on this form with respect to the subject class
of securities, and for any subsequent amendment containing information which
would alter the disclosures provided in a prior cover page. </P>
<P align=justify>The information required in the remainder of this cover page
shall not be deemed to be "filed" for the purpose of Section 18 of the
Securities Exchange Act of 1934 ("Act") 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 <I>Notes</I>). </P>
<HR style="PAGE-BREAK-AFTER: always" align=center width="100%" color=black
noShade SIZE=5>
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<DIV>
<TABLE
style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
cellSpacing=0 cellPadding=3 width="100%" border=0>

  <TR vAlign=top>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left><B>CUSIP No.</B>&nbsp;&nbsp;&nbsp;&nbsp; 656811106 </TD>
    <TD align=center width="33%"><B>13G/A</B> </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left width="33%"><B>Page 2 of 5 Pages</B>
</TD></TR></TABLE></DIV><BR>
<DIV>
<TABLE
style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
cellSpacing=0 cellPadding=3 width="100%" border=0>

  <TR vAlign=top>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left><B>1</B> </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="95%">Names of Reporting Persons </TD></TR>
  <TR>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left>&nbsp; </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="95%">&nbsp;</TD></TR>
  <TR vAlign=top>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left>&nbsp; </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left width="95%">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
      &nbsp; &nbsp; &nbsp;Polar Asset Management Partners Inc. </TD></TR>
  <TR vAlign=top>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left><B>2</B> </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="95%">Check the appropriate box if a member of a Group
      (see instructions) </TD></TR>
  <TR>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left>&nbsp; </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="95%">&nbsp;</TD></TR>
  <TR vAlign=top>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left>&nbsp; </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="95%">&nbsp; &nbsp; &nbsp; &nbsp;(a) [&nbsp;&nbsp; ]
  </TD></TR>
  <TR vAlign=top>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left>&nbsp; </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left width="95%">&nbsp; &nbsp; &nbsp; &nbsp;(b) [&nbsp; &nbsp;]
  </TD></TR>
  <TR vAlign=top>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left><B>3</B> </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="95%">Sec Use Only </TD></TR>
  <TR>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left>&nbsp; </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="95%">&nbsp;</TD></TR>
  <TR>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid">&nbsp;
    </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    width="95%">&nbsp; </TD></TR>
  <TR vAlign=top>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left><B>4</B> </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="95%">Citizenship or Place of Organization </TD></TR>
  <TR>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left>&nbsp; </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="95%">&nbsp;</TD></TR>
  <TR vAlign=top>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left>&nbsp; </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left width="95%">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
      &nbsp; &nbsp; &nbsp;Canada </TD></TR></TABLE></DIV>
<DIV>
<TABLE
style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
cellSpacing=0 cellPadding=3 width="100%" border=0>

  <TR vAlign=top>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left>&nbsp; </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="5%"><B>5</B> </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="80%">Sole Voting Power </TD></TR>
  <TR>
    <TD
      style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid">&nbsp;
    </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    width="5%">&nbsp; </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    width="80%">&nbsp; </TD></TR>
  <TR vAlign=top>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left>&nbsp; </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left width="5%">&nbsp; </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left width="80%">2,885,201 (including 1,333,707 Shares issuable upon
      the conversion of Debentures) </TD></TR>
  <TR vAlign=top>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=center>Number of Shares </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="5%"><B>6</B> </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="80%">Shared Voting Power </TD></TR>
  <TR vAlign=top>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=center>Beneficially </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="5%">&nbsp; </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="80%">&nbsp; </TD></TR>
  <TR vAlign=top>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=center>Owned by Each </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left width="5%">&nbsp; </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left width="80%">&nbsp; </TD></TR>
  <TR vAlign=top>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=center>Reporting Person </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="5%"><B>7</B> </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="80%">Sole Dispositive Power </TD></TR>
  <TR>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=center>&nbsp;</TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="5%">&nbsp;</TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="80%">&nbsp;</TD></TR>
  <TR vAlign=top>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=center>&nbsp; </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left width="5%">&nbsp; </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left width="80%">2,885,201 (including 1,333,707 Shares issuable upon
      the conversion of Debentures) </TD></TR>
  <TR vAlign=top>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left>&nbsp; </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="5%"><B>8</B> </TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="80%">Shared Dispositive Power </TD></TR>
  <TR>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left>&nbsp;</TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="5%">&nbsp;</TD>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    align=left width="80%">&nbsp;</TD></TR>
  <TR>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left>&nbsp;</TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left width="5%">&nbsp;</TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left width="80%">&nbsp;</TD></TR></TABLE></DIV>
<DIV>
<TABLE
style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
cellSpacing=0 cellPadding=3 width="100%" border=0 BCLLIST>

  <TR>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    vAlign=top width="5%"><B>9</B> </TD>
    <TD
      style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"><P
      align=justify>Aggregate Amount Beneficially Owned by Each Reporting
      Person</P></TD></TR>
  <TR>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    width="5%">&nbsp; </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid">&nbsp;</TD></TR>
  <TR>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    width="5%">&nbsp; </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid">
      <P align=justify>2,885,201 (including 1,333,707 Shares issuable upon the
      conversion of Debentures)</P></TD></TR>
  <TR>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    vAlign=top width="5%"><B>10</B> </TD>
    <TD
      style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"><P
      align=justify>Check box if the aggregate amount in row (9) excludes
      certain shares (See Instructions)</P></TD></TR>
  <TR>
    <TD style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid"
    width="5%">&nbsp; </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid">&nbsp;</TD></TR>
  <TR>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    width="5%">&nbsp; </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid">
      <P align=justify>[&nbsp; &nbsp;]</P></TD></TR>
  <TR>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    vAlign=top width="5%"><B>11</B> </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid">
      <P align=justify>Percent of class represented by amount in row (9) </P>
      <P align=justify>10.68%</P></TD></TR>
  <TR>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    vAlign=top width="5%"><B>12</B> </TD>
    <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid">
      <P align=justify>Type of Reporting Person (See Instructions) </P>
      <P align=justify>IA</P></TD></TR></TABLE></DIV><BR>
<HR style="PAGE-BREAK-AFTER: always" align=center width="100%" color=black
noShade SIZE=5>
<!--$$/page=--><A name=page_3></A>
<DIV>
  <TABLE
style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
cellSpacing=0 cellPadding=3 width="100%" border=0>
    <TR vAlign=top>
      <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left><B>CUSIP No.</B>&nbsp;&nbsp;&nbsp;&nbsp; 656811106 </TD>
      <TD align=center width="33%"><B>13G/A</B> </TD>
      <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left width="33%"><B>Page 3 of 5 Pages</B> </TD>
    </TR>
  </TABLE>
</DIV>
<P align=justify><B>Item 1.</B></P>
<TABLE
style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
cellSpacing=0 cellPadding=0 width="100%" border=0 BCLLIST>

  <TR>
    <TD vAlign=top width="5%"><B>(a)</B> </TD>
    <TD>
      <P align=justify><B>Name of Issuer:</B></P></TD></TR>
  <TR>
    <TD width="5%">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD width="5%"></TD>
    <TD>
      <P align=justify>The name of the issuer is North American Construction
      Group Ltd. (fka North American Energy Partners Inc.) (the
      "<U>Company</U>").</P></TD></TR>
  <TR>
    <TD width="5%">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD vAlign=top width="5%"><B>(b)</B> </TD>
    <TD>
      <P align=justify><B>Address of Issuer's Principal Executive
      Offices:</B></P></TD></TR>
  <TR>
    <TD width="5%">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD width="5%"></TD>
    <TD>
      <P align=justify>The Company's principal executive offices are located at
      27287-100 Avenue, Acheson, Alberta, T7X 6H8.</P></TD></TR></TABLE>
<P align=justify><B>Item 2. </B></P>
<TABLE
style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
cellSpacing=0 cellPadding=0 width="100%" border=0 BCLLIST>

  <TR>
    <TD vAlign=top width="5%"><B>(a)</B> </TD>
    <TD>
      <P align=justify><B>Name of Person Filing:</B></P></TD></TR>
  <TR>
    <TD width="5%">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD width="5%"></TD>
    <TD>
      <P align=justify>This statement is filed by Polar Asset Management
      Partners Inc., a company incorporated under the laws of Ontario, Canada,
      which serves as investment advisor to Polar Multi-Strategy Master Fund, a
      Cayman islands exempted company (&#147;PMSMF&#148;), Polar Micro-Cap Fund, an
      Ontario open-ended investment trust (&#147;PMCF&#148;), Polar Micro-Cap Fund II
      L.P., an Ontario limited partnership (&#147;PMCFII&#148;) and certain managed
      accounts (together with PMSMF, PMCF and PMCFII, the &#147;Polar Vehicles&#148;),
      with respect to the Shares (as defined below), and the Shares issuable
      upon conversion of the Debentures (as defined below), directly held by the
      Polar Vehicles.</P></TD></TR>
  <TR>
    <TD width="5%">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD width="5%"></TD>
    <TD>
      <P align=justify>The filing of this statement should not be construed as
      an admission that the Reporting Person is, for the purposes of Section 13
      of the Act, the beneficial owner of the Shares or the Debentures reported
      herein.</P></TD></TR>
  <TR>
    <TD width="5%">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD vAlign=top width="5%"><B>(b)</B> </TD>
    <TD>
      <P align=justify><B>Address of Principal Business Office or, if None,
      Residence:</B></P></TD></TR>
  <TR>
    <TD width="5%">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD width="5%"></TD>
    <TD>
      <P align=justify>The address of the business office of the Reporting
      Person is 401 Bay Street, Suite 1900, PO Box 19, Toronto, Ontario M5H 2Y4,
      Canada.</P></TD></TR>
  <TR>
    <TD width="5%">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD vAlign=top width="5%"><B>(c)</B> </TD>
    <TD>
      <P align=justify><B>Citizenship:</B></P></TD></TR>
  <TR>
    <TD width="5%">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD width="5%"></TD>
    <TD>
      <P align=justify>The citizenship of the Reporting Person is
  Canada.</P></TD></TR>
  <TR>
    <TD width="5%">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD vAlign=top width="5%"><B>(d)</B> </TD>
    <TD>
      <P align=justify><B>Title and Class of Securities:</B></P></TD></TR>
  <TR>
    <TD width="5%">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD width="5%"></TD>
    <TD>
      <P align=justify>Common shares (the "<U>Shares</U>").</P></TD></TR>
  <TR>
    <TD width="5%">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD vAlign=top width="5%"><B>(e)</B> </TD>
    <TD>
      <P align=justify><B>CUSIP No.:</B></P></TD></TR>
  <TR>
    <TD width="5%">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
  <TR>
    <TD width="5%"></TD>
    <TD>
      <P align=justify>656811106</P></TD></TR></TABLE><BR>
<TABLE
style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
cellSpacing=0 cellPadding=0 width="100%" border=0>

  <TR vAlign=top>
    <TD align=left><B>Item 3.</B> </TD>
    <TD align=left width="90%" ><B>If this statement is filed
      pursuant to &#167;&#167; 240.13d-1(b) or 240.13d-2(b) or (c), check whether the</B>
      <B>person filing is a:</B> </TD></TR></TABLE><BR>
<TABLE
style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
cellSpacing=0 cellPadding=0 width="100%" border=0>

  <TR vAlign=top>
    <TD width="10%"  >&nbsp;</TD>
    <TD align=left>(a) </TD>
    <TD align=left width="5%" >[&nbsp; &nbsp;] </TD>
    <TD align=left width="80%" >Broker or dealer registered under
      Section 15 of the Act; </TD></TR>
  <TR>
    <TD width="10%" >&nbsp;</TD>
    <TD align=left >&nbsp;</TD>
    <TD align=left width="5%"  >&nbsp;</TD>
    <TD align=left width="80%"  >&nbsp;</TD></TR>
  <TR vAlign=top>
    <TD width="10%" >&nbsp;</TD>
    <TD align=left>(b) </TD>
    <TD align=left width="5%" >[&nbsp; &nbsp;] </TD>
    <TD align=left width="80%" >Bank as defined in Section
      3(a)(6) of the Act; </TD></TR></TABLE><BR>
<HR style="PAGE-BREAK-AFTER: always" align=center width="100%" color=black
noShade SIZE=5>
<!--$$/page=--><A name=page_4></A>
<DIV>
  <TABLE
style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
cellSpacing=0 cellPadding=3 width="100%" border=0>
    <TR vAlign=top>
      <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left><B>CUSIP No.</B>&nbsp;&nbsp;&nbsp;&nbsp; 656811106 </TD>
      <TD align=center width="33%"><B>13G/A</B> </TD>
      <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left width="33%"><B>Page 4 of 5 Pages</B> </TD>
    </TR>
  </TABLE>
</DIV>
<BR>
<TABLE
style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
cellSpacing=0 cellPadding=0 width="100%" border=0>

  <TR vAlign=top>
    <TD width="10%" >&nbsp;</TD>
    <TD align=left>(c) </TD>
    <TD align=left width="4%">[&nbsp;&nbsp; ] </TD>
    <TD align=left width="81%">Insurance company as defined in Section
      3(a)(19) of the Act; </TD></TR>
  <TR>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>&nbsp;</TD>
    <TD align=left width="4%">&nbsp;</TD>
    <TD align=left width="81%">&nbsp;</TD></TR>
  <TR vAlign=top>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>(d) </TD>
    <TD align=left width="4%">[&nbsp; &nbsp;] </TD>
    <TD align=left width="81%">Investment company registered under Section 8
      of the Investment Company Act of 1940; </TD></TR>
  <TR>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>&nbsp;</TD>
    <TD align=left width="4%">&nbsp;</TD>
    <TD align=left width="81%">&nbsp;</TD></TR>
  <TR vAlign=top>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>(e) </TD>
    <TD align=left width="4%">[&nbsp;&nbsp; ] </TD>
    <TD align=left width="81%">An investment adviser in accordance with Rule
      13d-1(b)(1)(ii)(E); </TD></TR>
  <TR>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>&nbsp;</TD>
    <TD align=left width="4%">&nbsp;</TD>
    <TD align=left width="81%">&nbsp;</TD></TR>
  <TR vAlign=top>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>(f) </TD>
    <TD align=left width="4%">[&nbsp;&nbsp; ] </TD>
    <TD align=left width="81%">An employee benefit plan or endowment fund in
      accordance with Rule 13d-1(b)(1)(ii)(F); </TD></TR>
  <TR>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>&nbsp;</TD>
    <TD align=left width="4%">&nbsp;</TD>
    <TD align=left width="81%">&nbsp;</TD></TR>
  <TR vAlign=top>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>(g) </TD>
    <TD align=left width="4%">[&nbsp; &nbsp;] </TD>
    <TD align=left width="81%">A parent holding company or control person in
      accordance with Rule 13d-1(b)(1)(ii)(G); </TD></TR>
  <TR>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>&nbsp;</TD>
    <TD align=left width="4%">&nbsp;</TD>
    <TD align=left width="81%">&nbsp;</TD></TR>
  <TR vAlign=top>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>(h) </TD>
    <TD align=left width="4%">[&nbsp;&nbsp; ] </TD>
    <TD align=left width="81%">A savings associations as defined in Section
      3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); </TD></TR>
  <TR>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>&nbsp;</TD>
    <TD align=left width="4%">&nbsp;</TD>
    <TD align=left width="81%">&nbsp;</TD></TR>
  <TR vAlign=top>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>(i) </TD>
    <TD align=left width="4%">[&nbsp;&nbsp; ]</TD>
    <TD align=left width="81%">A church plan that is excluded from the
      definition of an investment company under section 3(c)(14) of the
      Investment Company Act of 1940; </TD></TR>
  <TR>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>&nbsp;</TD>
    <TD align=left width="4%">&nbsp;</TD>
    <TD align=left width="81%">&nbsp;</TD></TR>
  <TR vAlign=top>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>(j) </TD>
    <TD align=left width="4%">[X] </TD>
    <TD align=left width="81%">A non-U.S. institution in accordance with Rule
      240.13d-1(b)(1)(ii)(J); </TD></TR>
  <TR>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>&nbsp;</TD>
    <TD align=left width="4%">&nbsp;</TD>
    <TD align=left width="81%">&nbsp;</TD></TR>
  <TR vAlign=top>
    <TD width="10%">&nbsp;</TD>
    <TD align=left>(k) </TD>
    <TD align=left width="4%">[&nbsp;&nbsp; ] </TD>
    <TD align=left width="81%">Group, in accordance with Rule
      240.13d-1(b)(1)(ii)(K). </TD></TR></TABLE>
<P style="MARGIN-LEFT: 10%" align=justify>If filing as a non-U.S. institution in
accordance with Rule 240.13d -1(b)(1)(ii)(J), please specify the type of
institution:</P>
<P style="MARGIN-LEFT: 10%" align=justify>The Reporting Person is an investment
fund manager, portfolio manager, exempt market dealer and commodity trading
manager registered with the Ontario Securities Commission. </P>
<P align=justify><B>Item 4. Ownership</B></P>
<P style="MARGIN-LEFT: 10%" align=justify>As at July 31, 2019, the Polar
Vehicles held 2,885,201 Shares, comprised of (i) 1,551,494 Shares; (ii) 737,327
Shares, assuming the conversion by certain of the Polar Vehicles of $8,000,000
principal amount of the Company&#146;s 5.5% convertible unsecured subordinated
debentures due on March 31, 2024 (the &#147;5.5% Debentures&#148;) at a conversion rate of
92.1659 Shares per $1,000 principal amount of 5.5% Debentures (as described in
the Company&#146;s Management&#146;s Discussion and Analysis for the three and six months
ended June 30, 2019 (the &#147;MD&amp;A), filed with the SEC on the Company&#146;s Report
on Form 6-K dated July 30, 2019); and (iii) 596,380 Shares, assuming the
conversion by certain of the Polar Vehicles of $15,655,000 principal amount of
the Company&#146;s 5.0% convertible unsecured subordinated debentures due March 31,
2026 (the &#147;5.0% Debentures&#148;, and together with the 5.5% Debentures, the
&#147;Debentures&#148;) at a conversion rate of 38.0952 Shares per $1,000 principal amount
of 5.0% Debentures (as described in the MD&amp;A). </P>
<P style="MARGIN-LEFT: 10%" align=justify>The percentages used herein are
calculated based upon 25,689,428 Shares reported to be outstanding as of July
26, 2019 as disclosed in the MD&amp;A, which is calculated as 27,345,572 Shares
outstanding as of July 26, 2019 less the 1,656,144 Shares held in trust and
classified as treasury shares on the Company&#146;s consolidated balance sheets. </P>
<P align=justify><B>Item 5. Ownership of Five Percent or Less of a Class.
</B></P>
<P style="MARGIN-LEFT: 10%" align=justify>Not applicable. </P>
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noShade SIZE=5>
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<DIV>
  <TABLE
style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
cellSpacing=0 cellPadding=3 width="100%" border=0>
    <TR vAlign=top>
      <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left><B>CUSIP No.</B>&nbsp;&nbsp;&nbsp;&nbsp; 656811106 </TD>
      <TD align=center width="33%"><B>13G/A</B> </TD>
      <TD
    style="BORDER-RIGHT: #000000 1px solid; BORDER-TOP: #000000 1px solid; BORDER-LEFT: #000000 1px solid; BORDER-BOTTOM: #000000 1px solid"
    align=left width="33%"><B>Page 5 of 5 Pages</B> </TD>
    </TR>
  </TABLE>
</DIV>
<BR>
<TABLE
style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
cellSpacing=0 cellPadding=0 width="100%" border=0>

  <TR vAlign=top>
    <TD align=left><B>Item 6.</B> </TD>
    <TD align=left width="90%" >
      <P align=justify><B>Ownership of more than Five Percent on Behalf of
      Another Person.</B> </P></TD></TR>
  <TR>
    <TD>&nbsp; </TD>
    <TD width="90%" >&nbsp;    </TD>
  </TR>
  <TR vAlign=top>
    <TD align=left></TD>
    <TD align=left width="90%" >
      <P align=justify>See Item 2. The Polar Vehicles have the right to receive
      or the power to direct the receipt of dividends from or the proceeds from
      the sale or more than 5% of the Shares. </P></TD></TR>
  <TR>
    <TD>&nbsp; </TD>
    <TD width="90%" >&nbsp;    </TD>
  </TR>
  <TR vAlign=top>
    <TD align=left><B>Item 7.</B> </TD>
    <TD align=left width="90%" >
      <P align=justify><B>Identification and classification of the subsidiary
      which acquired the security being reported on</B> <B>by the parent holding
      company or control person.</B> </P></TD></TR>
  <TR>
    <TD>&nbsp; </TD>
    <TD width="90%" >&nbsp;    </TD>
  </TR>
  <TR vAlign=top>
    <TD align=left>&nbsp; </TD>
    <TD align=left width="90%" >
      <P align=justify>Not applicable. </P></TD></TR>
  <TR>
    <TD>&nbsp; </TD>
    <TD width="90%" >&nbsp;    </TD>
  </TR>
  <TR vAlign=top>
    <TD align=left><B>Item 8.</B> </TD>
    <TD align=left width="90%" >
      <P align=justify><B>Identification and classification of members of the
      group.</B> </P></TD></TR>
  <TR>
    <TD>&nbsp; </TD>
    <TD width="90%" >&nbsp;    </TD>
  </TR>
  <TR vAlign=top>
    <TD align=left>&nbsp; </TD>
    <TD align=left width="90%" >
      <P align=justify>Not applicable. </P></TD></TR>
  <TR>
    <TD>&nbsp; </TD>
    <TD width="90%" >&nbsp;    </TD>
  </TR>
  <TR vAlign=top>
    <TD align=left><B>Item 9.</B> </TD>
    <TD align=left width="90%" >
      <P align=justify><B>Notice of Dissolution of Group.</B> </P></TD></TR>
  <TR>
    <TD>&nbsp; </TD>
    <TD width="90%" >&nbsp;    </TD>
  </TR>
  <TR vAlign=top>
    <TD align=left>&nbsp; </TD>
    <TD align=left width="90%" >
      <P align=justify>Not applicable. </P></TD></TR>
  <TR>
    <TD>&nbsp; </TD>
    <TD width="90%" >&nbsp;    </TD>
  </TR>
  <TR vAlign=top>
    <TD align=left><B>Item 10.</B> </TD>
    <TD align=left width="90%" >
      <P align=justify><B>Certifications.</B> </P></TD></TR>
  <TR>
    <TD>&nbsp; </TD>
    <TD width="90%" >&nbsp;    </TD>
  </TR>
  <TR vAlign=top>
    <TD align=left></TD>
    <TD align=left width="90%" >
      <P align=justify>By signing below the Reporting Person certifies that, to
      the best of its knowledge and belief, (i) the securities referred to above
      were acquired and are held in the ordinary course of business and were not
      acquired and are not held for the purpose of or with the effect of
      changing or influencing the control of the issuer of the securities and
      were not acquired and are not held in connection with or as a participant
      in any transaction having that purpose or effect and (ii) the foreign
      regulatory schemes applicable to investment fund managers and
      broker-dealers are substantially comparable to the regulatory schemes
      applicable to the functionally equivalent U.S. institutions. The Reporting
      Person also undertakes to furnish to the Commission staff, upon request,
      information that would otherwise be disclosed in a Schedule 13D.
  </P></TD></TR></TABLE>
<P align=center><B>SIGNATURE</B></P>
<P align=justify>After reasonable inquiry and to the best of its knowledge and
belief, the undersigned certifies that the information set forth in this
statement is true, complete and correct. </P>
<P align=justify>Dated: August 9, 2019</P>
<P align=justify>POLAR ASSET MANAGEMENT PARTNERS INC. </P>
<TABLE
style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
cellSpacing=0 cellPadding=0 width="100%" border=0>

  <TR vAlign=top>
    <TD style="BORDER-BOTTOM: #000000 1px solid" align=left><I>/s/ Greg
      Lemaich</I> </TD>
    <TD align=left width="50%" >&nbsp;</TD></TR>
  <TR vAlign=top>
    <TD align=left>Name:&nbsp;&nbsp; Greg Lemaich </TD>
    <TD align=left width="50%" >&nbsp;</TD></TR>
  <TR vAlign=top>
    <TD align=left>Title:&nbsp;&nbsp;&nbsp;&nbsp; General Counsel </TD>
    <TD align=left width="50%" >&nbsp;</TD></TR></TABLE><BR>
<HR align=center width="100%" color=black noShade SIZE=5>

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