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CALGARY, ALBERTA--(Marketwire - May 11, 2012) -

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Enbridge Inc. (TSX:ENB)(NYSE:ENB) today announced that as a result of strong investor demand for its previously announced offering of cumulative redeemable preference shares, series L (the "Series L Preferred Shares"), the size of the offering has been increased to 16 million shares. The aggregate gross proceeds will be US$400 million.

The holders of Series L Preferred Shares will be entitled to receive fixed cumulative dividends at an annual rate of US$1.00 per share, payable quarterly on the 1st day of March, June, September and December, as and when declared by the Board of Directors of Enbridge, yielding 4.00 per cent per annum, for the initial fixed rate period to but excluding September 1, 2017. The first quarterly dividend payment date is scheduled for September 1, 2012. The dividend rate will reset on September 1, 2017 and every five years thereafter at a rate equal to the sum of the then five-year United States Government bond yield plus 3.15 per cent. The Series L Preferred Shares are redeemable by Enbridge, at its option, on September 1, 2017 and on September 1 of every fifth year thereafter.

The holders of Series L Preferred Shares will have the right to convert their shares into cumulative redeemable preference shares, series M (the "Series M Preferred Shares"), subject to certain conditions, on September 1, 2017 and on September 1 of every fifth year thereafter. The holders of Series M Preferred Shares will be entitled to receive quarterly floating rate cumulative dividends, as and when declared by the Board of Directors of Enbridge, at a rate equal to the sum of the then 3-month US Treasury Bill rate plus 3.15 per cent.

The offering is being made only in Canada by means of a prospectus. Proceeds will be used to partially fund capital projects, to reduce existing indebtedness and for other general corporate purposes of the Corporation and its affiliates.

The syndicate of underwriters is led by Scotiabank, RBC Capital Markets, and TD Securities Inc.

This news release does not constitute an offer to sell or a solicitation of an offer to buy the preferred shares in any jurisdiction. The preferred shares offered have not been registered under the United States Securities Act of 1933, as amended, and may not be offered or sold within the United States unless registered under the U.S. Securities Act and applicable state securities laws or an exemption from such registration is available.

About Enbridge Inc.

Enbridge Inc. is a North American leader in delivering energy and one of the Global 100 Most Sustainable Corporations. As a transporter of energy, Enbridge operates, in Canada and the U.S., the world's longest crude oil and liquids transportation system. The Company also has a significant and growing involvement in natural gas gathering, transmission and midstream businesses, and an increasing involvement in power transmission. As a distributor of energy, Enbridge owns and operates Canada's largest natural gas distribution company, and provides distribution services in Ontario, Quebec, New Brunswick and New York State. As a generator of energy, Enbridge has interests in close to 1,000 megawatts of renewable and alternative energy generating capacity and is expanding its interests in wind and solar energy, geothermal and hybrid fuel cells. Enbridge employs approximately 6,900 people, primarily in Canada and the U.S. and is ranked as one of Canada's Greenest Employers, and one of the Top 100 Companies to Work for in Canada. Enbridge's common shares trade on the Toronto and New York stock exchanges under the symbol ENB. For more information, visit www.enbridge.com.

Certain information provided in this news release constitutes forward-looking statements. The words "anticipate", "expect", "project", "estimate", "forecast" and similar expressions are intended to identify such forward-looking statements. Although Enbridge believes that these statements are based on information and assumptions which are current, reasonable and complete, these statements are necessarily subject to a variety of risks and uncertainties pertaining to operating performance, regulatory parameters, weather, economic conditions and commodity prices. You can find a discussion of those risks and uncertainties in our Canadian securities filings and American SEC filings. While Enbridge makes these forward-looking statements in good faith, should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary significantly from those expected. Except as may be required by applicable securities laws, Enbridge assumes no obligation to publicly update or revise any forward-looking statements made herein or otherwise, whether as a result of new information, future events or otherwise.