X0306 4 2017-02-27 1 0001373835 Spectra Energy Corp. SE 0001047461 ALVARADO JOSEPH 5400 WESTHEIMER CT. HOUSTON TX 77056 1 0 0 0 Common Stock 2017-02-27 4 D 0 23346 D 0 D Includes shares acquired pursuant to dividend reinvestment. At the effective time of the Merger, each issued and outstanding share of the common stock of the Issuer was converted into the right to receive 0.984 of an Enbridge common share, with cash paid in lieu of fractional shares, in accordance with the Merger Agreement (the "Merger Consideration"). This Form 4 reports securities disposed pursuant to the terms of an Agreement and Plan of Merger (the "Merger Agreement"), dated as of September 5, 2016, a copy of which is filed as Exhibit 2.1 to the Issuer's Form 8-K filed with the SEC on September 6, 2016, and by which the Issuer became a wholly owned subsidiary (the "Merger") of Enbridge Inc ("Enbridge") on February 27, 2017 (the "effective time"). /s/ Anna Jones, Attorney-in-Fact 2017-02-28