<SEC-DOCUMENT>0001104659-17-044282.txt : 20170710
<SEC-HEADER>0001104659-17-044282.hdr.sgml : 20170710
<ACCEPTANCE-DATETIME>20170710172145
ACCESSION NUMBER:		0001104659-17-044282
CONFORMED SUBMISSION TYPE:	FWP
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170710
DATE AS OF CHANGE:		20170710

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENBRIDGE INC
		CENTRAL INDEX KEY:			0000895728
		STANDARD INDUSTRIAL CLASSIFICATION:	PIPE LINES (NO NATURAL GAS) [4610]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		FWP
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-213234
		FILM NUMBER:		17958558

	BUSINESS ADDRESS:	
		STREET 1:		200 425 - 1ST STREET SW
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3L8
		BUSINESS PHONE:		403-231-3900

	MAIL ADDRESS:	
		STREET 1:		200 425 - 1ST STREET SW
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3L8

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IPL ENERGY INC
		DATE OF NAME CHANGE:	19940616

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERPROVINCIAL PIPE LINE SYSTEM INC
		DATE OF NAME CHANGE:	19930108

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENBRIDGE INC
		CENTRAL INDEX KEY:			0000895728
		STANDARD INDUSTRIAL CLASSIFICATION:	PIPE LINES (NO NATURAL GAS) [4610]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		FWP

	BUSINESS ADDRESS:	
		STREET 1:		200 425 - 1ST STREET SW
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3L8
		BUSINESS PHONE:		403-231-3900

	MAIL ADDRESS:	
		STREET 1:		200 425 - 1ST STREET SW
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3L8

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IPL ENERGY INC
		DATE OF NAME CHANGE:	19940616

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERPROVINCIAL PIPE LINE SYSTEM INC
		DATE OF NAME CHANGE:	19930108
</SEC-HEADER>
<DOCUMENT>
<TYPE>FWP
<SEQUENCE>1
<FILENAME>a17-17104_5fwp.htm
<DESCRIPTION>FWP
<TEXT>


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<div style="font-family:Times New Roman;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Filed Pursuant to Rule&nbsp;433 under the Securities Act of 1933</font></p>
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Registration Statement File No.&nbsp;333-213234</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">A final base shelf prospectus containing important information relating to the securities described in this document has been filed with the securities regulatory authority in each of the provinces of Canada.&#160; A copy of the final base shelf prospectus, any amendment to the final base shelf prospectus and any applicable shelf prospectus supplement that has been filed, is required to be delivered with this document.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This document does not provide full disclosure of all material facts relating to the securities offered.&#160; Investors should read the final base shelf prospectus, any amendment and any applicable shelf prospectus supplement for disclosure of those facts, especially risk factors relating to the securities offered, before making an investment decision.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">July&nbsp;10, 2017</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">ENBRIDGE INC.</font></b></p>
<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">US$</font></b><b>1,000,000,000 5.50</b><b>% Fixed-to-Floating Subordinated Notes Series&nbsp;2017-A due 2077</b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;">
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Issuer:</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Enbridge Inc. (the &#147;<b>Company</b>&#148;)</font></p>    </td>   </tr>
<tr>
<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Expected Ratings<br>   (Moody&#146;s/S&amp;P/Fitch/DBRS)*:</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Ba1 / BBB- / BBB- / BBB (low)</font></p>    </td>   </tr>
<tr>
<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Security Type:</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Fixed-to-Floating Subordinated Notes   Series&nbsp;2017-A due July&nbsp;15, 2077 (the &#147;<b>Notes</b>&#148;)</font></p>    </td>   </tr>
<tr>
<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pricing Date:</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">July&nbsp;10, 2017</font></p>    </td>   </tr>
<tr>
<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Settlement Date:</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">July&nbsp;14, 2017 (T+4)</font></p>    </td>   </tr>
<tr>
<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Maturity Date:</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">July&nbsp;15, 2077</font></p>    </td>   </tr>
<tr>
<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Principal Amount of Notes:</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">US$1,000,000,000</font></p>    </td>   </tr>
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<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Price to Public:</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">100%</font></p>    </td>   </tr>
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<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Interest Rate and Interest Payment Dates:</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
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<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt 30.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Fixed Rate   Period:</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">From the issue date of the Notes to, but excluding,   July&nbsp;15, 2027 at a fixed rate equal to 5.50% per year, payable   semi-annually in arrears on January&nbsp;15 and July&nbsp;15 of each year,   with the first payment at such rate being on January&nbsp;15, 2018</font></p>    </td>   </tr>
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<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt 30.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt 30.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Floating Rate Period:</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">From July&nbsp;15, 2027, and on every   October&nbsp;15, January&nbsp;15, April&nbsp;15 and July&nbsp;15 of each year   thereafter until July&nbsp;15, 2077 (each such date, an &#147;<b>Interest   Reset Date</b>&#148;), the interest rate on the Notes will be reset as   follows:</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(i)&nbsp;starting on July&nbsp;15, 2027, on every   Interest Reset Date until July&nbsp;15, 2047, the interest rate on the Notes   will be reset at an interest rate per annum equal to the three month LIBOR   plus 3.418%, payable in arrears, with the first payment at such rate being on   October&nbsp;15, 2027 and,</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(ii)&nbsp;starting on July&nbsp;15, 2047, on every   Interest Reset Date, until July&nbsp;15, 2077, the interest rate on the Notes   will be reset on each Interest Reset Date at an interest rate per annum equal   to the three month LIBOR plus</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade align="left" style="color:#010101;"></div>
</div>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;">
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<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.168%, payable in arrears, with the first payment   at such rate being on October&nbsp;15, 2047</font></p>    </td>   </tr>
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<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Day Count Convention:</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="font-size:10.0pt;margin:0in 0in .0001pt;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">Fixed Rate Period</font></i>: 360-day year   consisting of twelve 30-day months.</p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">&nbsp;</font></i></p>    </td>   </tr>
<tr>
<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="font-size:10.0pt;margin:0in 0in .0001pt;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">Floating Rate Period</font></i>:<i>&nbsp;</i>Actual number of days elapsed during each interest   period and a 360-day year.</p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">&nbsp;</font></i></p>    </td>   </tr>
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<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Business Day:</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Any day other than a day on which banks are   permitted or required to be closed in New York City, New York or Calgary,   Alberta.</font></p>    </td>   </tr>
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<td width="35%" valign="top" style="padding:0in 0in 0in 0in;width:35.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Optional Redemption:</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On or after July&nbsp;15, 2027, the Company may, at   its option, redeem the Notes, in whole at any time or in part from time to   time, on any Interest Payment Date at a redemption price per US$1,000   principal amount of the Notes equal to 100% of the principal amount thereof,   together with accrued and unpaid interest to, but excluding, the date fixed   for redemption.</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Redemption on Tax Event or Rating Event:</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Prior to the initial Interest Reset Date and within   90 days of a Tax Event, the Company may, at its option, redeem all (but not   less than all) of the Notes at a redemption price per US$1,000 principal   amount of the Notes equal to 100% of the principal amount thereof, together   with accrued and unpaid interest to, but excluding, the date fixed for   redemption.</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Prior to the initial Interest Reset Date and within   90 days following the occurrence of a Rating Event, the Company may, at its   option, redeem all (but not less than all) of the Notes at a redemption price   per US$1,000 principal amount of the Notes equal to 102% of the principal   amount thereof, together with accrued and unpaid interest to, but excluding,   the date fixed for redemption.</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Automatic Conversion:</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Notes, including accrued and unpaid interest   thereon, will be converted automatically (&#147;Automatic Conversion&#148;), without   the consent of the Noteholders, into shares of a newly issued series of our   preference shares, designated as Preference Shares, Series&nbsp;2017-A (the   &#147;Conversion Preference Shares&#148;) upon the occurrence of: (i)&nbsp;the making   by Enbridge of a general assignment for the benefit of its creditors or a   proposal (or the filing of a notice of its intention to do so) under the <i>Bankruptcy and Insolvency Act</i> (Canada) or the <i>Companies&#146; Creditors Arrangement Act</i> (Canada), (ii) any   proceeding instituted by Enbridge seeking to adjudicate it a bankrupt or   insolvent or, where Enbridge is insolvent, seeking liquidation, winding up,   dissolution, reorganization, arrangement, adjustment, protection, relief or   composition of its debts under any law relating to bankruptcy or insolvency   in Canada, or seeking the entry of an order for the appointment of a   receiver, interim receiver, trustee or other similar official for Enbridge or   any substantial part of its property and assets in circumstances where   Enbridge is adjudged a bankrupt or insolvent, (iii)&nbsp;a receiver, interim   receiver, trustee or other similar official is appointed over Enbridge or for   any substantial part of its property and assets by a court of competent   jurisdiction in circumstances where Enbridge is adjudged a bankrupt or   insolvent under any law relating to bankruptcy or insolvency in Canada; or   (iv)&nbsp;any proceeding is instituted against Enbridge seeking to adjudicate   it a</font></p>    </td>   </tr>  </table>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">bankrupt or insolvent or, where Enbridge is   insolvent, seeking liquidation, winding up, dissolution, reorganization,   arrangement, adjustment, protection, relief or composition of its debts under   any law relating to bankruptcy or insolvency in Canada, or seeking the entry   of an order for the appointment of a receiver, interim receiver, trustee or   other similar official for Enbridge or any substantial part of its property   and assets in circumstances where Enbridge is adjudged a bankrupt or   insolvent under any law relating to bankruptcy or insolvency in Canada, and   either such proceeding has not been stayed or dismissed within sixty (60)   days of the institution of any such proceeding or the actions sought in such   proceedings occur, including the entry of an order for relief against   Enbridge or the appointment of a receiver, interim receiver, trustee, or   other similar official for it or for any substantial part of its property and   assets (each, an &#147;Automatic Conversion Event&#148;).</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Automatic Conversion shall occur upon an   Automatic Conversion Event (the &#147;Conversion Time&#148;). At the Conversion Time,   the Notes shall be automatically converted, without the consent of the   Noteholders, into a newly issued series of fully-paid Conversion Preference   Shares. At such time, the Notes shall be deemed to be immediately and   automatically surrendered and cancelled without need for further action by   the Noteholders, who shall thereupon automatically cease to be holders   thereof and all rights of any such Noteholder as a debtholder of Enbridge   shall automatically cease. At the Conversion Time, Noteholders will receive   one Conversion Preference Share for each US$1,000 principal amount of Notes   held immediately prior to the Automatic Conversion together with the number   of Conversion Preference Shares (including fractional shares, if applicable)   calculated by dividing the amount of accrued and unpaid interest, if any, on   the Notes by US$1,000.</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">CUSIP / ISIN:</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">29250N AS4 / US29250NAS45</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Joint Book-Running Managers:</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Deutsche Bank Securities Inc.<br>   Barclays Capital Inc.<br>   Citigroup Global Markets Inc.<br>   Credit Suisse Securities (USA) LLC<br>   HSBC Securities (USA) Inc.</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">*Note: A security rating is not a recommendation to buy, sell or hold securities and may be subject to revision or withdrawal at any time.</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Capitalized terms used and not defined herein have the meanings assigned in the Company&#146;s Preliminary Prospectus Supplement, dated July&nbsp;10, 2017.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">The issuer has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the SEC website at www.sec.gov.</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling Deutsche Bank Securities Inc. toll-free at (800) 503-4611, Barclays Capital Inc. toll-free at (888) 603-5847, Citigroup Global Markets Inc. toll-free at (800) 831-9146, Credit</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Suisse Securities (USA) LLC toll-free at (800) 221-1037 and </font></b><b>HSBC Securities (USA) Inc. toll free at (866) 811-8049</b><b>.</b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Any disclaimer or other notice that may appear below is not applicable to this communication and should be disregarded. Such disclaimer or notice was automatically generated as a result of this communication being sent by Bloomberg or another email system.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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