X0206 3 2018-01-01 0 0000895728 ENBRIDGE INC ENB 0001494476 Yardley William T. C/O ENBRIDGE INC. 200, 425 1ST STREET SW CALGARY A0 T2P 3L8 ALBERTA, CANADA 0 1 0 0 See Remarks Common Shares 93970 D Common Shares 13169 I Held through Spectra Retirement Savings Plan Non-Qualified Options (right to buy) 28.87 2026-02-16 Common Shares 58941 D Non-Qualified Options (right to buy) 41.64 2027-02-28 Common Shares 56580 D Phantom Stock Units Common Shares 7822 D Phantom Stock Units Common Shares 8118 D Phantom Stock Units Common Shares 17908 D Restricted Stock Units Common Shares 19975 D Performance Stock Units Common Shares 8981.3326 D Performance Stock Units Common Shares 4897.0345 D The options were granted on February 16, 2016 under the Spectra Energy Corp. Long Term Incentive Plan, as amended and restated (the "Spectra LTIP") and, in connection with the merger (the "Merger") of Spectra Energy Corp. ("Spectra") and Enbridge, Inc. ("Enbridge") in February 2017, were converted into options to purchase Enbridge Common Shares. The options vest ratably over 3 years. The options were granted on February 28, 2017 under the Enbridge Incentive Stock Option Plan. The options vest ratably over 4 years. The units were granted on February 17, 2015 under the Spectra LTIP and will vest on February 17, 2018. In connection with the Merger, the units were converted into an award denominated in Enbridge Common Shares. The units will be settled in cash, based on the price of Enbridge Common Shares. The units were granted on February 16, 2016 under the Spectra LTIP and will vest on February 16, 2019. In connection with the Merger, the units were converted into an award denominated in Enbridge Common Shares. The units will be settled in cash, based on the price of Enbridge Common Shares. The units were granted on February 14, 2017 under the Spectra LTIP and will vest on February 14, 2020. In connection with the Merger, the units were converted into an award denominated in Enbridge Common Shares. The units will be settled 50% in cash (based on the price of Enbridge Common Shares ) and 50% in Enbridge Common Shares. The units were awarded on February 16, 2016 under the Spectra LTIP as Performance Share Units. In connection with the Merger, the applicable level of performance achievement was determined and each unit was converted into a Restricted Stock Unit denominated in Enbridge Common Shares and subject to only service-based vesting conditions. These units will vest on December 31, 2018. The units were granted on February 28, 2017 under the Enbridge Performance Stock Unit Plan and will vest on December 31, 2018. Each unit represents a contingent right to receive in cash the value of one Enbridge Common Share based on pre-determined performance factors, with a maximum payment on settlement of 200% of the grant. Total includes the reinvestment of dividends and is rounded down. The units were granted on February 28, 2017 under the Enbridge Performance Stock Unit Plan and will vest on December 31, 2019. Each unit represents a contingent right to receive in cash the value of one Enbridge Common Share based on pre-determined performance factors, with a maximum payment on settlement of 200% of the grant. Executive Vice President & President, Gas Transmission & Midstream /s/ Vas Antoniou, attorney-in-fact 2018-01-02