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<SEC-DOCUMENT>0001104659-07-049518.txt : 20070625
<SEC-HEADER>0001104659-07-049518.hdr.sgml : 20070625
<ACCEPTANCE-DATETIME>20070625060414
ACCESSION NUMBER:		0001104659-07-049518
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20070625
FILED AS OF DATE:		20070625
DATE AS OF CHANGE:		20070625

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SUNCOR ENERGY INC
		CENTRAL INDEX KEY:			0000311337
		STANDARD INDUSTRIAL CLASSIFICATION:	PETROLEUM REFINING [2911]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12384
		FILM NUMBER:		07937661

	BUSINESS ADDRESS:	
		STREET 1:		112 4TH AVENUE SW PO BOX 38
		STREET 2:		CALGARY
		CITY:			ALBERTA CANADA
		STATE:			A0
		ZIP:			T2P 2V5
		BUSINESS PHONE:		4032698100

	MAIL ADDRESS:	
		STREET 1:		112 FOURTH AVE SW BOX 38
		STREET 2:		CALGARY
		CITY:			ALBERTA CANADA
		ZIP:			T2P 2V5

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SUNCOR INC
		DATE OF NAME CHANGE:	19970430

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GREAT CANADIAN OIL SANDS & SUN OIL CO LTD
		DATE OF NAME CHANGE:	19791129
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>a07-17271_16k.htm
<DESCRIPTION>6-K
<TEXT>
<html>

<head>







</head>

<body lang="EN-US">

<div style="font-family:Times New Roman;">


<p style="font-weight:bold;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">SECURITIES AND EXCHANGE COMMISSION</font></b></p>

<p style="font-weight:bold;margin:0pt 0pt 24.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Washington,
DC&#160; 20549</font></b></p>

<p style="font-weight:bold;margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Form 6-K</font></b></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Report of Foreign
Private Issuer</font></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant to Rule
13a-16 or 15d-16 of</font></p>

<p align="center" style="margin:0pt 0pt 24.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">the Securities Exchange Act of 1934</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="33%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:33.34%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><!-- SET mrlNoTableShading -->For the month of: June 2007</p>
  </td>
  <td width="16%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:16.2%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:50.46%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Commission File Number: 1-12384</font></p>
  </td>
 </tr>
</table>

<p style="font-weight:bold;margin:12.0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">SUNCOR ENERGY INC.</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Name of Registrant)</font></p>

<p style="font-weight:bold;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">112 Fourth Avenue S.W.</font></b></p>

<p style="font-weight:bold;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">P.O. Box 38</font></b></p>

<p style="font-weight:bold;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Calgary, Alberta</font></b></p>

<p style="font-weight:bold;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Canada&#160; T2P 2V5</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address of Principal Executive Offices)</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Indicate by check mark whether the registrant files or
will file annual reports under cover of Form 20-F or Form 40-F:</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:86.25pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Form 20-F&nbsp;&nbsp;____&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Form
40-F&nbsp;&nbsp;<u>&nbsp;&nbsp;&nbsp;X</u></font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Indicate by check mark whether by furnishing the
information contained in this Form, the registrant is also thereby furnishing
the information to the Commission pursuant to Rule 12g3-2(b) under the
Securities Exchange Act of 1934:</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:115.5pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Yes&nbsp;___&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; No&nbsp;&nbsp;<u>&nbsp;&nbsp;&nbsp;X</u></font></p>

<p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If &#147;Yes&#148; is
marked, indicate below the file number assigned to the registrant in connection
with Rule 12g3-2(b): N/A</font></p>



</div><br><hr size="3" width="100%" noshade color="#010101" align="center">

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<br clear="all" style="page-break-before:always;">
<div>


<p style="margin:0pt 0pt 24.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The information and
exhibit filed on this Form 6-K are expressly incorporated by reference into
this report and are hereby incorporated by reference as exhibits to the
registrant&#146;s Registration Statement on Form F-9 (File No. 333-140797).</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;font-family:Times New Roman;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="6%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:6.3%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><!-- SET mrlNoTableShading --><u>Exhibit</u></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.74%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="90%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:90.96%;">
  <p style="margin:0pt 0pt .0001pt;"><u><font size="2" face="Times New Roman" style="font-size:10.0pt;">Description of Exhibit</font></u></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="6%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:6.3%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.74%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="90%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:90.96%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="6%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:6.3%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.1</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.74%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="90%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:90.96%;">
  <p style="margin:0pt 0pt .0001pt 10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of GLJ
  Petroleum Consultants Ltd. dated<br>
  June 25, 2007</font></p>
  </td>
 </tr>
</table>

<p style="line-height:1.0pt;margin:0pt 0pt 12.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>


<br><hr size="3" width="100%" noshade color="#010101" align="center">

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<p style="font-weight:bold;margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">SIGNATURES</font></b></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:72.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">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, thereunto duly authorized.</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;font-family:Times New Roman;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="6%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:6.56%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><!-- SET mrlNoTableShading --></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.2%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="43%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:43.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="28%" colspan="4" valign="top" style="padding:0pt .7pt 0pt 0pt;width:28.52%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SUNCOR ENERGY INC.</font></b></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="18%" colspan="2" valign="top" style="padding:0pt .7pt 0pt 0pt;width:18.22%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="6%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:6.56%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.2%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="43%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:43.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="28%" colspan="4" valign="top" style="padding:0pt .7pt 0pt 0pt;width:28.52%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="18%" colspan="2" valign="top" style="padding:0pt .7pt 0pt 0pt;width:18.22%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="6%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:6.56%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.2%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="43%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:43.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="28%" colspan="4" valign="top" style="padding:0pt .7pt 0pt 0pt;width:28.52%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="18%" colspan="2" valign="top" style="padding:0pt .7pt 0pt 0pt;width:18.22%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="50%" colspan="3" valign="top" style="padding:0pt .7pt 0pt 0pt;width:50.88%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date:&nbsp;&nbsp;&nbsp;June 25, 2007</font></p>
  </td>
  <td width="5%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:5.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="30%" colspan="5" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:30.02%;">
  <p style="margin:0pt 0pt .0001pt 26.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Steve Williams</font></p>
  </td>
  <td width="14%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:14.12%;">
  <p style="margin:0pt 0pt .0001pt 30.0pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="6%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:6.56%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.2%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="43%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:43.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="5%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:5.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:6.44%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name:</font></p>
  </td>
  <td width="0%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:.96%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="36%" colspan="4" valign="top" style="padding:0pt .7pt 0pt 0pt;width:36.74%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Steve Williams</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="6%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:6.56%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.2%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="43%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:43.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="5%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:5.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:6.44%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title:</font></p>
  </td>
  <td width="0%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:.96%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="36%" colspan="4" valign="top" style="padding:0pt .7pt 0pt 0pt;width:36.74%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief Operating Officer</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="6%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:6.56%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.2%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="43%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:43.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="5%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:5.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:6.44%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="0%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:.96%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="36%" colspan="4" valign="top" style="padding:0pt .7pt 0pt 0pt;width:36.74%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr height="0">
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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>a07-17271_1ex99d1.htm
<DESCRIPTION>CONSENT OF GLJ PETROLEUM CONSULTANTS LTD. DATED JUNE 25, 2007
<TEXT>
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<body lang="EN-US">

<div style="font-family:Times New Roman;">

<p align="right" style="margin:0pt 0pt 12.0pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit
99.1</font></b></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="10%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:10.44%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><!-- SET mrlNoTableShading --><img width="63" height="60" src="g172711mmi001.gif"></p>
  </td>
  <td width="15%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:15.28%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="7" face="Times New Roman" style="font-size:36.0pt;font-weight:bold;">GLJ</font></b></p>
  </td>
  <td width="54%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:54.08%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  <p style="margin:0pt 0pt .0001pt;"><font size="5" face="Times New Roman" style="font-size:16.0pt;">Petroleum<br>
  Consultants</font></p>
  </td>
  <td width="20%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:20.2%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="1" face="Times New Roman" style="font-size:7.0pt;">Principal Officers: <br>
  </font><font size="1" style="font-size:3.0pt;"><br>
  </font><font size="1" style="font-size:7.0pt;">Harry Jung, P. Eng. <br>
  &nbsp;&nbsp;&nbsp;President, C.E.O. <br>
  Dana B. Laustsen, P. Eng. <br>
  &nbsp;&nbsp;&nbsp;Executive V.P., C.O.O.<br>
  Keith M. Braaten, P. Eng. <br>
  &nbsp;&nbsp;&nbsp;Executive V.P. </font></p>
  <p style="margin:0pt 0pt .0001pt;"><font size="1" face="Times New Roman" style="font-size:7.0pt;">&nbsp;</font></p>
  <p style="margin:0pt 0pt .0001pt;"><font size="1" face="Times New Roman" style="font-size:7.0pt;">Officers / Vice Presidents: <br>
  </font><font size="1" style="font-size:3.0pt;"><br>
  </font><font size="1" style="font-size:7.0pt;">Terry L. Aarsby, P.
  Eng. <br>
  Jodi L. Anhorn, P. Eng. <br>
  Neil I. Dell, P. Eng. <br>
  David G. Harris, P. Geol. <br>
  Myron J. Hladyshevsky, P. Eng.<br>
  Bryan M. Joa, P. Eng. <br>
  John H. Stilling, P. Eng. <br>
  Douglas R. Sutton, P. Eng.<br>
  James H. Willmon, P. Eng.</font></p>
  </td>
 </tr>
</table>

<p style="line-height:1.0pt;margin:0pt 0pt 12.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:24.0pt 0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">LETTER
OF CONSENT</font></b></p>

<p style="margin:0pt 0pt 24.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">June 25, 2007</font></p>

<p style="margin:0pt 0pt 24.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">To the
Securities and Exchange Commission</font></b></p>

<p style="margin:0pt 0pt 12.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Re: <u>Suncor
Energy Inc. (the &quot;Corporation&quot;)</u></font></b></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">We
refer to the Registration Statement on Form F-9 (File No. 333-140797) (the
&quot;Registration Statement&quot;) filed by the Corporation under the
Securities Act of 1933, as amended.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">We are
a firm of independent petroleum consultants of Calgary, Alberta having prepared
reports for the Corporation evaluating the Corporation's reserves as at
December 31, 2006, as described in the Annual Information Form
(&quot;AIF&quot;) of the Corporation dated February 28, 2007. </font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">We
hereby consent to the use of and reference to our name under the headings
&quot;Interests of Experts&quot; and &quot;Experts&quot; in the Registration
Statement and to all other references to our firm and the inclusion of
information derived from our reports in: (i) the AIF which is incorporated by
reference in the Registration Statement; (ii) the Form 40-F of the Corporation
for the fiscal year ending December 31, 2006 filed with the U.S. Securities and
Exchange Commission; and (iii) the Registration Statement.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">We
also confirm that we have read the Registration Statement and that we have no
reason to believe that there are any misrepresentations in the information
contained in it that are derived from the above-mentioned reports or that are
within our knowledge as a result of the services we performed in connection
with the reports.</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="49%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:49.34%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><!-- SET mrlNoTableShading --></p>
  </td>
  <td width="50%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:50.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Yours very truly,</font></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:49.34%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:50.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:49.34%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="50%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:50.66%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;text-transform:uppercase;">GLJ Petroleum
  Consultants Ltd.</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:49.34%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:50.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:49.34%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:50.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ James H. Willmon</font></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:49.34%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:50.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:49.34%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:50.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">James H. Willmon, P. Eng.</font></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:49.34%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:50.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Vice-President</font></p>
  </td>
 </tr>
</table>

<p style="line-height:1.0pt;margin:0pt 0pt 12.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="6%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:6.66%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="86%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:86.72%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:6.62%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="100%" colspan="3" valign="top" style="padding:0pt .7pt 0pt 0pt;width:100.0%;">
  <p align="center" style="font-size:10.0pt;margin:0pt 0pt .0001pt;text-align:center;"><!-- SET mrlNoTableShading -->4100, 400 - 3<font size="1" style="font-size:6.5pt;position:relative;top:-3.0pt;">rd</font>&nbsp;Avenue S.W., Calgary, Alberta, Canada T2P
  4H2 <font face="Symbol">&#183;</font> (403) 266-9500 <font face="Symbol">&#183;</font>
  Fax (403) 262-1855 <font face="Symbol">&#183;</font> GLJPC.com</p>
  </td>
 </tr>
</table>

<p style="line-height:1.0pt;margin:0pt 0pt 12.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>

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