EBBNF / Enbridge Inc. - Preferred Stock - Документы SEC, Годовой отчет, Доверенное заявление

Filing Fee Table.

Calculation of Filing Fee Tables S-3 ENBRIDGE INC Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Debt Debt Securities of Enbridge Inc.

Statement of Eligibility of Trustee on Form T-1 with respect to Exhibit 4.1.

Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) DEUTSCHE BANK TRUST COMPANY AMERICAS (formerly BANKERS TRUST COMPANY) (Exact name of trustee as specified

Subsidiary Guarantors

Exhibit 22.1 Subsidiary Guarantors As of June 30, 2025, each of the following subsidiaries of Enbridge Inc. (“Enbridge”), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of Enbridge listed below: Subsidiary Guarantors 1. Spectra Energy Partners, LP, a Delawar

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 1, 2025 ENBRIDGE INC. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 1, 2025 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IR

Three months ended June 30,

NEWS RELEASE Enbridge Reports Record Second Quarter EBITDA, Reaffirms 2025 Financial Guidance and Announces Investments To Serve Growing Industrial, Power and LNG Demand CALGARY, AB, August 1, 2025 /CNW/ - Enbridge Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-15254 ENBRIDGE INC. (Exact N

As filed with the Securities and Exchange Commission on August 1, 2025

As filed with the Securities and Exchange Commission on August 1, 2025 Registration No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

11-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 20, 2025 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

Underwriting Agreement, dated June 16, 2025, between the Corporation, the Guarantors and the underwriters party thereto.

Exhibit 1.1 Execution Version Enbridge Inc. US$400,000,000 4.600% Senior Notes due 2028 US$600,000,000 4.900% Senior Notes due 2030 US$900,000,000 5.550% Senior Notes due 2035 US$350,000,000 5.950% Senior Notes due 2054 Underwriting Agreement June 16, 2025 Citigroup Global Markets Inc. J.P. Morgan Securities LLC Mizuho Securities USA LLC Wells Fargo Securities, LLC As Representatives of the severa

Form of Global Note representing the New 2054 Notes (included in Exhibit 4.1).

Exhibit 4.1 ENBRIDGE INC. OFFICERS’ CERTIFICATE PURSUANT TO SECTIONS 102, 201, AND 301 OF THE INDENTURE June 20, 2025 Jonathan E. Gould, Vice President, Treasury, Risk & Pensions, and David Taniguchi, Vice President, Legal & Corporate Secretary, of Enbridge Inc., a corporation duly incorporated under the Companies Ordinance of the Northwest Territories and continued and existing under the Canada B

Table 1: Newly Registered and Carry Forward Securities

Calculation of Filing Fee Tables S-3 ENBRIDGE INC Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Debt 4.

US$2,250,000,000 Enbridge Inc. US$400,000,000 4.600% Senior Notes due 2028 US$600,000,000 4.900% Senior Notes due 2030 US$900,000,000 5.550% Senior Notes due 2035 US$350,000,000 5.950% Senior Notes due 2054 Fully and Unconditionally Guaranteed by Enb

Filed pursuant to Rule 424(b)(5) Registration No. 333-266405 Prospectus Supplement June 16, 2025 (To Prospectus Dated July 29, 2022) US$2,250,000,000 Enbridge Inc. US$400,000,000 4.600% Senior Notes due 2028 US$600,000,000 4.900% Senior Notes due 2030 US$900,000,000 5.550% Senior Notes due 2035 US$350,000,000 5.950% Senior Notes due 2054 Fully and Unconditionally Guaranteed by Enbridge Energy Part

ENBRIDGE INC. 4.600% Senior Notes due 2028 4.900% Senior Notes due 2030 5.550% Senior Notes due 2035 5.950% Senior Notes due 2054

FREE WRITING PROSPECTUS Filed Pursuant to Rule 433 Registration No. 333-266405 June 16, 2025 This document does not provide full disclosure of all material facts relating to the securities offered. Investors should read the registration statement, any amendment and any applicable prospectus supplement for disclosure of those facts, especially risk factors relating to the securities offered, before

Subject to Completion, Dated June 16, 2025

Filed pursuant to Rule 424(b)(5) Registration No. 333-266405 The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission. This prospectus supplement and the accompanying prospectus are not an offer to sell these securitie

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 9, 2025 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS E

Subsidiary Guarantors

Exhibit 22.1 Subsidiary Guarantors As of March 31, 2025, each of the following subsidiaries of Enbridge Inc. (“Enbridge”), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of Enbridge listed below: Subsidiary Guarantors 1.Spectra Energy Partners, LP, a Delawar

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-15254 ENBRIDGE INC. (Exact

Form of Enbridge Inc. 2019 Long Term Incentive Plan Restricted Stock Unit Grant Notice and Restricted Stock Unit Award Agreement (2025)

2025 Share-Settled RSU Grant Notice (Cliff Vesting) ENBRIDGE INC. 2019 LONG TERM INCENTIVE PLAN FORM OF RESTRICTED STOCK UNIT GRANT NOTICE Pursuant to the Enbridge Inc. 2019 Long Term Incentive Plan (the “Plan”), Enbridge Inc. (the “Company”) has granted to the participant listed below (“Participant”) an award (the “Award”) of Restricted Stock Units (the “RSUs”), as described in this Restricted St

Form of Enbridge Inc. 2019 Long Term Incentive Plan Performance Stock Unit Grant Notice and Performance Stock Unit Award Agreement (2025)

2025 PSU Grant Notice ENBRIDGE INC. 2019 LONG TERM INCENTIVE PLAN FORM OF PERFORMANCE STOCK UNIT GRANT NOTICE Pursuant to the Enbridge Inc. 2019 Long Term Incentive Plan (the “Plan”), Enbridge Inc. (the “Company”) has granted to the participant listed below (“Participant”) an award (the “Award”) of Performance Stock Units (the “PSUs”), as described in this Performance Stock Unit Grant Notice (this

Enbridge Inc. Directors’ Compensation Plan dated February 12, 2025, effective January 1, 2025

ENBRIDGE INC. DIRECTORS’ COMPENSATION PLAN February 12, 2025 Effective January 1, 2025 2 ENBRIDGE INC. DIRECTORS’ COMPENSATION PLAN 1. DEFINED TERMS As used herein, the following terms shall have the following meanings, respectively: “Beneficiary” means any person(s) designated by a Director as indicated on the Designation of Beneficiary Form, to receive any cash amount or Shares under this Plan i

Form of Enbridge Inc. 2019 Long Term Incentive Plan Stock Option Grant Notice and Stock Option Award Agreement (2025)

2025 Stock Option Grant Notice ENBRIDGE INC. 2019 LONG TERM INCENTIVE PLAN FORM OF STOCK OPTION GRANT NOTICE Pursuant to the Enbridge Inc. 2019 Long Term Incentive Plan (the “Plan”), Enbridge Inc. (the “Company”) has granted to the participant listed below (“Participant”) the stock option (the “Option”) described in this Stock Option Grant Notice (the “Grant Notice”), subject to the terms and cond

Three months ended March 31, 2025 2024 (unaudited; millions of Canadian dollars) Liquids Pipelines 2,593 2,404 Gas Transmission 1,473 1,265 Gas Distribution and Storage 1,600 765 Renewable Power Generation 223 257 Eliminations and Other 40 (642) EBIT

NEWS RELEASE Enbridge Reports Record Quarterly Results and Reaffirms 2025 Financial Guidance, Illustrating Its Industry Leading, Resilient Business Model CALGARY, AB, May 9, 2025 /CNW/ - Enbridge Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 7, 2025 ENBRIDGE INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 7, 2025 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 21, 2025 ENBRIDGE INC (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 21, 2025 ENBRIDGE INC (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

Notice of 2025 annual meeting and

EX-99.1 Exhibit 99.1 Notice of 2025 annual meeting and notice of availability of meeting materials (registered) Throughout this notice, Enbridge and our means Enbridge Inc. and you, your, and shareholder mean a registered holder of common shares of Enbridge. As permitted by Canadian securities regulators, Enbridge is using notice-and-access to deliver the materials for our 2025 annual meeting of s

Notice of 2025 annual meeting and

Exhibit 99.2 Notice of 2025 annual meeting and notice of availability of meeting materials (beneficial) Throughout this notice, Enbridge and our means Enbridge Inc. and you, your, and shareholder mean a beneficial holder of common shares of Enbridge. As permitted by Canadian securities regulators, Enbridge is using notice-and-access to deliver the materials for our 2025 annual meeting of sharehold

USER GUIDE—VIRTUAL MEETING To start To participate online This year, the meeting will take place virtually. Make sure the browser on your device is compatible. You will be able to participate online using You will need the latest version of Chrome, S

EX-99.3 Exhibit 99.3 USER GUIDE—VIRTUAL MEETING To start To participate online This year, the meeting will take place virtually. Make sure the browser on your device is compatible. You will be able to participate online using You will need the latest version of Chrome, Safari, Edge, your smartphone, tablet or computer. or Firefox. Internet Explorer is not supported. All shareholders and guests wil

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 11, 2025 ENBRIDGE INC (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

Executive Summary     

Exhibit 99.1  Contents  At Enbridge, we safely connect millions of people to the energy they rely on every day, fueling quality of life through our North American natural gas, oil and renewable power networks and our growing European offshore wind portfolio. We’re investing in modern energy delivery infrastructure to sustain access to secure, affordable energy and building on more than a century o

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No. 1 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or ☐ TRANSITION REP

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No. 1 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from       to       Commission file number 1-1525

Amendment 1 to Enbridge Supplemental Pension Plan (As Amended and Restated Effective January 1, 2018)

CERTIFICATE OF AMENDMENT AND AMENDMENT NO. 1 TO THE ENBRIDGE SUPPLEMENTAL PENSION PLAN AS AMENDED AND RESTATED TO JANUARY 1, 2018 I, Melissa Moye, the Chief Human Resources Officer of Enbridge Inc. (respectively the"CHRO" and the"Company"), am an officer of the Company authorized to sign a certificate of amendment, and hereby certify that by the following resolution is in full force and effect as

Enbridge Inc. Insider Trading

ENBRIDGE INC. INSIDER TRADING GUIDELINES INTRODUCTION The integrity of capital markets in Canada and the United States is based on the principle of equal opportunity based on equal access to information. Consequently, securities legislation imposes prohibitions against trading on and tipping others of undisclosed material information (also referred to as material non-public information under U.S.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-15254 ENBRIDGE INC. (Exact Name

Three months ended December 31, Twelve months ended December 31, 2024 2023 2024 2023 (unaudited; millions of Canadian dollars) Liquids Pipelines 2,352 2,439 9,531 9,383 Gas Transmission 1,150 1,044 5,656 4,264 Gas Distribution and Storage 1,015 238 2

NEWS RELEASE Enbridge Reports Record 2024 Financial Results, Reaffirms 2025 Financial Guidance and Executes on Business Priorities CALGARY, AB, February 14, 2025 /CNW/ - Enbridge Inc.

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 14, 2025 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number)

Description of Securities Registered Under Section 12 of the Securities Exchange Act, as amended

DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE SECURITIES EXCHANGE ACT, AS AMENDED DESCRIPTION OF ENBRIDGE COMMON SHARES In this section, the terms “Corporation” and “Enbridge” refer only to Enbridge Inc.

Subsidiary Guarantors

Exhibit 22.1 Subsidiary Guarantors As of December 31, 2024, each of the following subsidiaries of Enbridge Inc. (“Enbridge”), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of Enbridge listed below: Subsidiary Guarantors 1.Spectra Energy Partners, LP, a Dela

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): December 2, 2024 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commi

Subsidiaries of the Registrant

Exhibit 21.1 – Subsidiaries of the Registrant Enbridge Inc. Entity Name Home Jurisdiction 1000778522 Ontario Inc. Ontario 1090577 B.C. Unlimited Liability Company British Columbia 1329165 Alberta Ltd. Alberta 1682399 Ontario Corp. Ontario 2099634 Ontario Limited Ontario 2193914 Canada Limited Canada 2562961 Ontario Ltd. Ontario 4296559 Canada Inc. Canada 3268126 Nova Scotia Company Nova Scotia 567

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): December 2, 2024 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

Enbridge Appoints New Director to its Board

Exhibit 99.1 NEWS RELEASE   Enbridge Appoints New Director to its Board CALGARY, Alberta, December 3, 2024 – Enbridge Inc. (TSX:ENB) (NYSE:ENB) is pleased to announce that its Board of Directors has appointed Douglas L. Foshee as a director of Enbridge, effective January 1, 2025. Mr. Foshee has more than 40 years of energy industry experience, including as Chair, President and CEO of El Paso Corpo

Key Growth Drivers vs. 2024 Recast Guidance

Exhibit 99.2 NEWS RELEASE Enbridge Announces 2025 Financial Guidance, 3% Dividend Increase and Reaffirms Near-term Growth Outlook CALGARY, ALBERTA, December 3, 2024 – Enbridge Inc. (Enbridge or the Company) (TSX:ENB)(NYSE:ENB) announced today its 2025 financial guidance and an annualized common share dividend increase from $3.66 to $3.77 per share, or 3.0%, effective March 1, 2025. HIGHLIGHTS (All

Subsidiary Guarantors

Exhibit 22.1 Subsidiary Guarantors As of September 30, 2024, each of the following subsidiaries of Enbridge Inc. (“Enbridge”), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of Enbridge listed below: Subsidiary Guarantors 1.Spectra Energy Partners, LP, a Del

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-15254 ENBRIDGE INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 1, 2024 ENBRIDGE INC. (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 1, 2024 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

Three months ended September 30, Nine months ended September 30, 2024 2023 2024 2023 (unaudited; millions of Canadian dollars) Liquids Pipelines 2,325 2,164 7,179 6,944 Gas Transmission 1,146 973 4,506 3,220 Gas Distribution and Storage 522 271 1,854

NEWS RELEASE Enbridge Reports Strong Third Quarter 2024 Financial Results, Executes on Business Priorities, and Reaffirms Financial Guidance and Outlook CALGARY, AB, November 1, 2024 /CNW/ - Enbridge Inc.

Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): September 30, 2024 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number)

Three months ended June 30, Six months ended June 30, 2024 2023 2024 2023 (unaudited; millions of Canadian dollars) Liquids Pipelines 2,450 2,427 4,854 4,780 Gas Transmission 2,095 1,042 3,360 2,247 Gas Distribution and Storage 567 367 1,332 1,083 Re

NEWS RELEASE Enbridge Reports Strong Second Quarter 2024 Financial Results and Business Performance, Advances Strategic Priorities and Recasts Financial Outlook to include U.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 2, 2024 ENBRIDGE INC. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 2, 2024 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IR

Subsidiary Guarantors

Exhibit 22.1 Subsidiary Guarantors As of June 30, 2024, each of the following subsidiaries of Enbridge Inc. (“Enbridge”), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of Enbridge listed below: Subsidiary Guarantors 1.Spectra Energy Partners, LP, a Delaware

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-15254 ENBRIDGE INC. (Exact N

Underwriting Agreement, dated June 24, 2024, between the Corporation and the underwriters party thereto.

Exhibit 1.1 Execution Version Enbridge Inc. $500,000,000 7.375% Fixed-to-Fixed Rate Subordinated Notes due 2055 $700,000,000 7.200% Fixed-to-Fixed Rate Subordinated Notes due 2054 Underwriting Agreement June 24, 2024 J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 Mizuho Securities USA LLC 1271 Avenue of the Americas New York, New York 10020 MUFG Securities Americas Inc. 122

Fourteenth Supplemental Indenture between Enbridge Inc. and Deutsche Bank Trust Company Americas, dated June 27, 2024 (incorporated by reference to Exhibit 4.2 to Enbridge’s Current Report on Form 8-K, as filed with the Commission on June 27, 2024).

Exhibit 4.2 EXECUTION VERSION ENBRIDGE INC. Fourteenth Supplemental Indenture Dated as of June 27, 2024 (Supplemental to Indenture Dated as of February 25, 2005) DEUTSCHE BANK TRUST COMPANY AMERICAS, as Trustee FOURTEENTH SUPPLEMENTAL INDENTURE, dated as of June 27, 2024 (the “Fourteenth Supplemental Indenture”), between Enbridge Inc., a corporation duly incorporated under the Companies Ordinance

Thirteenth Supplemental Indenture between Enbridge Inc. and Deutsche Bank Trust Company Americas, dated as of June 27, 2024 (incorporated by reference to Exhibit 4.1 to Enbridge’s Current Report on Form 8-K, as filed with the Commission on June 27, 2024).

Exhibit 4.1 EXECUTION VERSION ENBRIDGE INC. Thirteenth Supplemental Indenture Dated as of June 27, 2024 (Supplemental to Indenture Dated as of February 25, 2005) DEUTSCHE BANK TRUST COMPANY AMERICAS, as Trustee THIRTEENTH SUPPLEMENTAL INDENTURE, dated as of June 27, 2024 (the “Thirteenth Supplemental Indenture”), between Enbridge Inc., a corporation duly incorporated under the Companies Ordinance

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 27, 2024 ENBRIDGE INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 27, 2024 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Fo

US$1,200,000,000 Enbridge Inc. US$500,000,000 7.375% Fixed-to-Fixed Rate Subordinated Notes due 2055 US$700,000,000 7.200% Fixed-to-Fixed Rate Subordinated Notes due 2054

Filed Pursuant to Rule 424(b)(5) Registration No. 333-266405 Prospectus Supplement June 24, 2024 (To Prospectus Dated July 29, 2022) US$1,200,000,000 Enbridge Inc. US$500,000,000 7.375% Fixed-to-Fixed Rate Subordinated Notes due 2055 US$700,000,000 7.200% Fixed-to-Fixed Rate Subordinated Notes due 2054 We are offering US$500,000,000 aggregate principal amount of 7.375% Fixed-to-Fixed Rate Subordin

Subject to Completion, Dated June 24, 2024

Filed Pursuant to Rule 424(b)(5) Registration No. 333-266405 The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission. This prospectus supplement and the accompanying prospectus are not an offer to sell these securitie

ENBRIDGE INC. 7.375% Fixed-to-Fixed Rate Subordinated Notes due 2055 7.200% Fixed-to-Fixed Rate Subordinated Notes due 2054

FREE WRITING PROSPECTUS Filed Pursuant to Rule 433 Registration No. 333-266405 June 24, 2024 This document does not provide full disclosure of all material facts relating to the securities offered. Investors should read the preliminary prospectus supplement, dated June 24, 2024, and the accompanying prospectus, dated July 29, 2022, included in the Issuer’s Registration Statement on Form S-3 (File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K ☒ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from       to       Commission file number: 001-15254 ENBRIDG

Up to $2,750,000,000 Common Shares

Filed Pursuant to Rule 424(b)(5) Registration No. 333-266405 Prospectus Supplement (To Prospectus dated July 29, 2022) Up to $2,750,000,000 Common Shares Enbridge Inc. (the “Corporation”) has entered into an equity distribution agreement with BMO Capital Markets Corp., CIBC World Markets Corp., National Bank of Canada Financial Inc., Scotia Capital (USA) Inc., TD Securities (USA) LLC, Barclays Cap

Equity Distribution Agreement, dated May 15, 2024, by and between Enbridge Inc. and BMO Nesbitt Burns Inc., BMO Capital Markets Corp. and the other agents named therein.

Exhibit 1.1    Enbridge Inc.   Common Shares   Equity Distribution Agreement   May 15, 2024   BMO Nesbitt Burns Inc. 525 – 8th Avenue SW, 14th Floor Calgary, Alberta T2P 1G1   (“BMO Canada” on behalf of the Canadian sales agents)   BMO Capital Markets Corp. 151 W 42nd Street New York, New York 10036   (“BMO U.S.” on behalf of the U.S. sales agents)   Ladies and Gentlemen:   Enbridge Inc., a corpor

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 15, 2024 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price(1)(2) Fee Rate Amount of Registration Fee(1)

Subsidiary Guarantors

Exhibit 22.1 Subsidiary Guarantors As of March 31, 2024, each of the following subsidiaries of Enbridge Inc. (“Enbridge”), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of the Company listed below: Subsidiary Guarantors 1.Spectra Energy Partners, LP, a Dela

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 10, 2024 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-15254 ENBRIDGE INC. (Exact

Three months ended March 31, 2024 2023 (unaudited; millions of Canadian dollars) Liquids Pipelines 2,404 2,353 Gas Transmission 1,265 1,205 Gas Distribution and Storage 765 716 Renewable Power Generation 257 136 Eliminations and Other (642) 17 EBITDA

NEWS RELEASE Enbridge Reports Record First Quarter 2024 Financial Results, Reaffirms Financial Guidance and Advances Strategic Priorities CALGARY, AB, May 10, 2024 /CNW/ - Enbridge Inc.

2

Exhibit 99.1 Enbridge Inc. Announces Election of Directors CALGARY, ALBERTA, May 8, 2024 – Enbridge Inc. (TSX: ENB) (NYSE: ENB) (Enbridge or the Company) held its Annual Meeting of Shareholders today. On a vote by ballot during the regular business proceedings at the meeting, shareholders approved the election of all 12 nominated directors proposed by management as listed in the Management Informa

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 8, 2024 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS E

Form of Global Note representing the 2027 Notes (included in Exhibit 4.1).

Exhibit 4.1 ENBRIDGE INC. OFFICERS’ CERTIFICATE PURSUANT TO SECTIONS 102, 201, AND 301 OF THE INDENTURE April 5, 2024 Jonathan E. Gould, Vice President, Treasury, Risk & Pensions, and Karen K.L. Uehara, Vice President, Corporate & Corporate Secretary, of Enbridge Inc., a corporation duly incorporated under the Companies Ordinance of the Northwest Territories and continued and existing under the Ca

Underwriting Agreement, dated April 2, 2024, between the Corporation, the Guarantors and the underwriters party thereto.

Exhibit 1.1 Execution Version Enbridge Inc. $750,000,000 5.250% Senior Notes due 2027 $750,000,000 5.300% Senior Notes due 2029 $1,200,000,000 5.625% Senior Notes due 2034 $800,000,000 5.950% Senior Notes due 2054 Underwriting Agreement April 2, 2024 BofA Securities, Inc. Citigroup Global Markets Inc. Deutsche Bank Securities Inc. SMBC Nikko Securities America, Inc. As Representatives of the sever

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 5, 2024 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

US$3,500,000,000 Enbridge Inc. US$750,000,000 5.250% Senior Notes due 2027 US$750,000,000 5.300% Senior Notes due 2029 US$1,200,000,000 5.625% Senior Notes due 2034 US$800,000,000 5.950% Senior Notes due 2054 Fully and Unconditionally Guaranteed by E

Filed pursuant to Rule 424(b)(5) Registration No. 333-266405 Prospectus Supplement April 2, 2024 (To Prospectus Dated July 29, 2022) US$3,500,000,000 Enbridge Inc. US$750,000,000 5.250% Senior Notes due 2027 US$750,000,000 5.300% Senior Notes due 2029 US$1,200,000,000 5.625% Senior Notes due 2034 US$800,000,000 5.950% Senior Notes due 2054 Fully and Unconditionally Guaranteed by Enbridge Energy Pa

Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Fo

ENBRIDGE INC. 5.250% Senior Notes due 2027 5.300% Senior Notes due 2029 5.625% Senior Notes due 2034 5.950% Senior Notes due 2054

FREE WRITING PROSPECTUS Filed Pursuant to Rule 433 Registration No. 333-266405 April 2, 2024 This document does not provide full disclosure of all material facts relating to the securities offered. Investors should read the registration statement, any amendment and any applicable prospectus supplement for disclosure of those facts, especially risk factors relating to the securities offered, before

Subject to Completion, Dated April 2, 2024

Filed pursuant to Rule 424(b)(5) Registration No. 333-266405 The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission. This prospectus supplement and the accompanying prospectus are not an offer to sell these securitie

Notice of 2024 annual meeting and

EX-99.2 Exhibit 99.2 Notice of 2024 annual meeting and notice of availability of meeting materials (beneficial) Throughout this notice, Enbridge and our mean Enbridge Inc. and you, your, and shareholder mean a beneficial holder of common shares of Enbridge. As permitted by Canadian securities regulators, Enbridge is using notice-and-access to deliver the materials for our 2024 annual meeting of sh

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 22, 2024 ENBRIDGE INC (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 22, 2024 ENBRIDGE INC (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

To startThis year, the meeting will take place virtually. You will be able to participate online using your smartphone, tablet or computer. All shareholders and guests will be able to view a live webcast of the meeting. Registered shareholders and du

EX-99.3 Exhibit 99.3 To startThis year, the meeting will take place virtually. You will be able to participate online using your smartphone, tablet or computer. All shareholders and guests will be able to view a live webcast of the meeting. Registered shareholders and duly appointed proxyholders will be able to ask questions and submit their votes in real time.You may also provide voting instructi

Notice of 2024 annual meeting and

EX-99.1 Exhibit 99.1 Notice of 2024 annual meeting and notice of availability of meeting materials (registered) Throughout this notice, Enbridge and our mean Enbridge Inc. and you, your, and shareholder mean a registered holder of common shares of Enbridge. As permitted by Canadian securities regulators, Enbridge is using notice-and-access to deliver the materials for our 2024 annual meeting of sh

Executive Summary     

EX-99.1 Exhibit 99.1  Contents  At Enbridge, we safely connect millions of people to the energy they rely on every day, fueling quality of life through our North American natural gas, oil and renewable power networks and our growing European offshore wind portfolio. We’re investing in modern energy delivery infrastructure to sustain access to secure, affordable energy and building on more than a c

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No. 1 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2023 or ☐ TRANSITION RE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No. 1 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from       to       Commission file number 1-152

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 12, 2024 ENBRIDGE INC (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 4, 2024 ENBRIDGE INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 4, 2024 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

Enbridge Receives Canada Energy Regulator Approval for Mainline Tolling Settlement

EX-99.1 Exhibit 99.1 Enbridge Receives Canada Energy Regulator Approval for Mainline Tolling Settlement CALGARY, AB, March 4, 2024 /CNW/ - Enbridge Inc. (TSX: ENB) (NYSE: ENB) (Enbridge or the Company) announced today that the Canada Energy Regulator (CER) has approved the Mainline Tolling negotiated settlement effective until December 31, 2028. The settlement sets tariffs for crude oil and liquid

Enbridge Extends Visible Growth Outlook, Reiterates Strategic Priorities and Announces Accretive Investments

EX-99.2 Exhibit 99.2 Enbridge Extends Visible Growth Outlook, Reiterates Strategic Priorities and Announces Accretive Investments CALGARY, AB, March 6, 2024 /CNW/ - Enbridge Inc. (Enbridge or the Company) (TSX: ENB) (NYSE: ENB) is providing an update on its strategic priorities and financial outlook, which will be further discussed at the Company’s investor conference today in New York. A virtual

Enbridge Pipelines Inc. Mainline Tolling Settlement

EX-10.1 Exhibit 10.1 Enbridge Pipelines Inc. (“Enbridge”) Mainline Tolling Settlement (“MTS Agreement”) December 15th, 2023 Page 1 of 56 Part I – Introductory Matters 4 1. Recitals 4 Part II – Interpretation 5 2. Definitions 5 3. Interpretation 19 4. Schedules 20 Part III – Principles 21 5. Principles 21 Part IV – Term and Applicability 23 6. Term of Settlement 23 7. Applicability of MTS vs. Canad

Subsidiary Guarantors

Exhibit 22.1 Subsidiary Guarantors As of December 31, 2023, each of the following subsidiaries of Enbridge Inc. (“Enbridge”), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of the Company listed below: Subsidiary Guarantors 1.Spectra Energy Partners, LP, a D

Subsidiaries of the Registrant

Exhibit 21.1 – Subsidiaries of the Registrant Enbridge Inc. Entity Name Home Jurisdiction 0784267 B.C. Ltd. British Columbia 1090577 B.C. Unlimited Liability Company British Columbia 1329165 Alberta Ltd. Alberta 1682399 Ontario Corp. Ontario 2099634 Ontario Limited Ontario 2562961 Ontario Ltd. Ontario 2193914 Canada Limited Canada 4296559 Canada Inc. Canada 3268126 Nova Scotia Company Nova Scotia

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 9, 2024 ENBRIDGE INC. (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 9, 2024 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

Enbridge Inc. Clawback Policy for the Mandatory Recovery of Erroneously Awarded Incentive-Based Compensation

Exhibit 97.1 ENBRIDGE INC. CLAWBACK POLICY FOR THE MANDATORY RECOVERY OF ERRONEOUSLY AWARDED INCENTIVE-BASED COMPENSATION I. BACKGROUND Enbridge Inc. (the “Company”) has adopted this policy (this “Policy”) to provide for the recovery or “clawback” of certain incentive compensation in the event of a Restatement (as defined herein). This Policy is intended to comply with, and will be interpreted to

Description of Securities Registered Under Section 12 of the Securities Exchange Act, as amended

Exhibit 4.14 DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE SECURITIES EXCHANGE ACT, AS AMENDED DESCRIPTION OF ENBRIDGE COMMON SHARES In this section, the terms “Corporation” and “Enbridge” refer only to Enbridge Inc. and not to its subsidiaries, partnerships or joint venture interests. The following sets forth the terms and provisions of Enbridge common shares. The following descrip

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-15254 ENBRIDGE INC. (Exact Name

Enbridge Inc. Short Term Incentive Plan (As Amended and Restated Effective January 1, 2023)

Exhibit 10.39 ENBRIDGE INC. SHORT TERM INCENTIVE PLAN (As Amended and Restated Effective January 1, 2023) 1.PURPOSE The purpose of the Short Term Incentive Plan is to: (a)create employee engagement in the understanding and achievement of annual business plans; (b)focus employee performance on the achievement of objectives at the corporate, business unit and individual levels; (c)assist in attracti

Three months ended December 31, Twelve months ended December 31, 2023 2022 2023 2022 (unaudited; millions of Canadian dollars) Liquids Pipelines 2,438 2,271 9,499 8,364 Gas Transmission and Midstream 1,044 (1,258) 4,264 3,126 Gas Distribution and Sto

NEWS RELEASE Enbridge Reports Record 2023 Financial Results, Reaffirms 2024 Financial Guidance and Advances Strategic Priorities CALGARY, AB, February 9, 2024 /CNW/ - Enbridge Inc.

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 28, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number)

Enbridge Announces 2024 Financial Guidance and 3% Dividend Increase

Exhibit 99.2 Enbridge Announces 2024 Financial Guidance and 3% Dividend Increase CALGARY, ALBERTA, November 29, 2023 – Enbridge Inc. (Enbridge or the Company) (TSX:ENB)(NYSE:ENB) announced today its 2024 financial guidance and an annualized common share dividend increase from $3.55 to $3.66 per share effective March 1, 2024. HIGHLIGHTS (All financial figures are unaudited and in Canadian dollars u

Enbridge Appoints New Director to its Board

Exhibit 99.1 NEWS RELEASE Enbridge Appoints New Director to its Board CALGARY, Alberta, November 29, 2023 – Enbridge Inc. (TSX:ENB) (NYSE:ENB) is pleased to announce that its Board of Directors has appointed Manjit Minhas as a director of Enbridge. Ms. Minhas is the co-founder and CEO of Minhas Breweries, Distilleries and Wineries. She is an experienced director and has extensive business and entr

Underwriting Agreement, dated as of November 6, 2023, between the Corporation, the Guarantors and the underwriters party thereto.

Exhibit 1.1 Enbridge Inc. $750,000,000 5.900% Senior Notes due 2026 $750,000,000 6.000% Senior Notes due 2028 $750,000,000 6.200% Senior Notes due 2030 $1,250,000,000 6.700% Senior Notes due 2053 Underwriting Agreement November 6, 2023 Morgan Stanley & Co. LLC RBC Capital Markets, LLC Mizuho Securities USA LLC MUFG Securities Americas Inc. SMBC Nikko Securities America, Inc. As Representatives of

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 9, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

Form of Global Note representing the 2026 Notes (included in Exhibit 4.1).

Exhibit 4.1 ENBRIDGE INC. OFFICERS’ CERTIFICATE PURSUANT TO SECTIONS 102, 201, AND 301 OF THE INDENTURE November 9, 2023 Jonathan E. Gould, Vice President, Treasury, Risk & Pensions, and Karen K.L. Uehara, Vice President, Corporate & Corporate Secretary, of Enbridge Inc., a corporation duly incorporated under the Companies Ordinance of the Northwest Territories and continued and existing under the

Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Fo

Enbridge Inc. US$750,000,000 5.900% Senior Notes due 2026 US$750,000,000 6.000% Senior Notes due 2028 US$750,000,000 6.200% Senior Notes due 2030 US$1,250,000,000 6.700% Senior Notes due 2053 Fully and Unconditionally Guaranteed by Enbridge Energy Pa

Filed pursuant to Rule 424(b)(5) Registration No. 333-266405 Prospectus Supplement November 6, 2023 (To Prospectus Dated July 29, 2022) US$3,500,000,000 Enbridge Inc. US$750,000,000 5.900% Senior Notes due 2026 US$750,000,000 6.000% Senior Notes due 2028 US$750,000,000 6.200% Senior Notes due 2030 US$1,250,000,000 6.700% Senior Notes due 2053 Fully and Unconditionally Guaranteed by Enbridge Energy

ENBRIDGE INC. 5.900% Senior Notes due 2026 6.000% Senior Notes due 2028 6.200% Senior Notes due 2030 6.700% Senior Notes due 2053

FREE WRITING PROSPECTUS Filed Pursuant to Rule 433 Registration No. 333-266405 November 6, 2023 This document does not provide full disclosure of all material facts relating to the securities offered. Investors should read the registration statement, any amendment and any applicable prospectus supplement for disclosure of those facts, especially risk factors relating to the securities offered, bef

Subject to Completion, Dated November 6, 2023

Filed pursuant to Rule 424(b)(5) Registration No. 333-266405 The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission. This prospectus supplement and the accompanying prospectus are not an offer to sell these securitie

Purchase and Sale Agreement, dated as of September 5, 2023, by and between Dominion Energy, Inc. and Enbridge Quail Holdings, LLC (incorporated by reference to Exhibit 2.3 to Enbridge’s Form 10-Q filed November 3, 2023)

Execution Version 17724058714 4870-5616-1650 v.1 PURCHASE AND SALE AGREEMENT dated as of September 5, 2023 by and between DOMINION ENERGY, INC., as Seller, and ENBRIDGE QUAIL HOLDINGS, LLC, as Buyer TABLE OF CONTENTS Page i 4870-5616-1650 v.1 ARTICLE I CERTAIN DEFINITIONS ........................................................................................ 1 Section 1.1 Definitions ............

Three months ended September 30, Nine months ended September 30, 2023 2022 2023 2022 (unaudited; millions of Canadian dollars) Liquids Pipelines 2,247 1,946 7,061 6,093 Gas Transmission and Midstream 973 2,251 3,220 4,384 Gas Distribution and Storage

NEWS RELEASE Enbridge Reports Strong Third Quarter 2023 Financial Results and Reaffirms Financial Guidance and Outlook CALGARY, AB, November 3, 2023 /CNW/ - Enbridge Inc.

Purchase and Sale Agreement, dated as of September 5, 2023, by and between Dominion Energy, Inc. and Enbridge Parrot Holdings, LLC (incorporated by reference to Exhibit 2.2 to Enbridge’s Form 10-Q filed November 3, 2023)

Execution Version CONFIDENTIAL 4863-6343-8441 v.8 PURCHASE AND SALE AGREEMENT dated as of September 5, 2023 by and between DOMINION ENERGY, INC., as Seller, and ENBRIDGE PARROT HOLDINGS, LLC, as Buyer TABLE OF CONTENTS Page i 4863-6343-8441 v.8 ARTICLE I CERTAIN DEFINITIONS ........................................................................................ 1 Section 1.1 Definitions ..........

Purchase and Sale Agreement, dated as of September 5, 2023, by and between Dominion Energy, Inc. and Enbridge Elephant Holdings, LLC (incorporated by reference to Exhibit 2.1 to Enbridge’s Form 10-Q filed November 3, 2023)

Execution Version 1772405879 4894-6761-6617 v.11 PURCHASE AND SALE AGREEMENT dated as of September 5, 2023 by and between DOMINION ENERGY, INC., as Seller, and ENBRIDGE ELEPHANT HOLDINGS, LLC, as Buyer TABLE OF CONTENTS Page i 4894-6761-6617 v.11 ARTICLE I CERTAIN DEFINITIONS ........................................................................................ 1 Section 1.1 Definitions ........

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-15254 ENBRIDGE INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 3, 2023 ENBRIDGE INC. (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 3, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

Subsidiary Guarantors

Exhibit 22.1 Subsidiary Guarantors As of September 30, 2023, each of the following subsidiaries of Enbridge Inc. (“Enbridge”), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of the Company listed below: Subsidiary Guarantors 1.Spectra Energy Partners, LP, a

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 2) CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 5, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission

Certificate and Articles of Amendment dated September 28, 2023, relating to the Series 2023-D Conversion Preference Shares (incorporated by reference to Exhibit 3.2 to Enbridge’s Current Report on Form 8-K filed October 2, 2023)

Exhibit 3.2 Certificate of Amendment Certificat de modification Canada Business Corporations Act Loi canadienne sur les sociétés par actions Enbridge Inc. Corporate name / Dénomination sociale 227602-0 Corporation number / Numéro de société I HEREBY CERTIFY that the articles of the above-named corporation are amended under section 178 of the Canada Business Corporations Act as set out in the attac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): September 28, 2023 ENBRIDGE INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): September 28, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number)

Certificate and Articles of Amendment dated September 28, 2023, relating to the Series 2023-C Conversion Preference Shares (incorporated by reference to Exhibit 3.1 to Enbridge’s Current Report on Form 8-K filed October 2, 2023)

Exhibit 3.1 Certificate of Amendment Certificat de modification Canada Business Corporations Act Loi canadienne sur les sociétés par actions Enbridge Inc. Corporate name / Dénomination sociale 227602-0 Corporation number / Numéro de société I HEREBY CERTIFY that the articles of the above-named corporation are amended under section 178 of the Canada Business Corporations Act as set out in the attac

Certificate and Articles of Amendment dated September 21, 2023, relating to the Series 2023-B Preference Shares (incorporated by reference to Exhibit 3.2 to Enbridge’s Current Report on Form 8-K filed September 25, 2023)

Exhibit 3.2 Certificate of Amendment Certificat de modification Canada Business Corporations Act Loi canadienne sur les sociétés par actions Enbridge Inc. Corporate name / Dénomination sociale 227602-0 Corporation number / Numéro de société I HEREBY CERTIFY that the articles of the above-named corporation are amended under section 178 of the Canada Business Corporations Act as set out in the attac

Eleventh Supplemental Indenture between Enbridge Inc. and Deutsche Bank Trust Company Americas, dated September 25, 2023 (incorporated by reference to Exhibit 4.1 to Enbridge’s current Report on Form 8-K Filed September 25, 2023)

Exhibit 4.1 EXECUTION VERSION ENBRIDGE INC. Eleventh Supplemental Indenture Dated as of September 25, 2023 (Supplemental to Indenture Dated as of February 25, 2005) DEUTSCHE BANK TRUST COMPANY AMERICAS, as Trustee                                 ELEVENTH SUPPLEMENTAL INDENTURE, dated as of September 25, 2023 (the “Eleventh Supplemental Indenture”), between Enbridge Inc., a corporation duly incorpo

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): September 21, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number)

Underwriting Agreement, dated September 18, 2023, between the Corporation and the underwriters party thereto.

Exhibit 1.1 Execution Version Enbridge Inc. $750,000,000 8.250% Fixed-to-Fixed Rate Subordinated Notes Series 2023-A due 2084 $1,250,000,000 8.500% Fixed-to-Fixed Rate Subordinated Notes Series 2023-B due 2084 Underwriting Agreement September 18, 2023 Morgan Stanley & Co. LLC RBC Capital Markets, LLC Barclays Capital Inc. Citigroup Global Markets Inc. J.P. Morgan Securities LLC As Representatives

Twelfth Supplemental Indenture between Enbridge Inc. and Deutsche Bank Trust Company Americas, dated September 25, 2023 (incorporated by reference to Exhibit 4.2 to Enbridge’s current Report on Form 8-K Filed September 25, 2023)

Exhibit 4.2 EXECUTION VERSION ENBRIDGE INC. Twelfth Supplemental Indenture Dated as of September 25, 2023 (Supplemental to Indenture Dated as of February 25, 2005) DEUTSCHE BANK TRUST COMPANY AMERICAS, as Trustee TWELFTH SUPPLEMENTAL INDENTURE, dated as of September 25, 2023 (the “Twelfth Supplemental Indenture”), between Enbridge Inc., a corporation duly incorporated under the Companies Ordinance

Certificate and Articles of Amendment dated September 21, 2023, relating to the Series 2023-A Preference Shares (incorporated by reference to Exhibit 3.1 to Enbridge’s Current Report on Form 8-K filed September 25, 2023)

Exhibit 3.1 Certificate of Amendment Certificat de modification Canada Business Corporations Act Loi canadienne sur les sociétés par actions Enbridge Inc. Corporate name / Dénomination sociale 227602-0 Corporation number / Numéro de société I HEREBY CERTIFY that the articles of the above-named corporation are amended under section 178 of the Canada Business Corporations Act as set out in the attac

Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Fo

US$2,000,000,000 Enbridge Inc. US$750,000,000 8.250% Fixed-to-Fixed Rate Subordinated Notes Series 2023-A due 2084 Preference Shares, Series 2023-A Issuable Upon Automatic Conversion US$1,250,000,000 8.500% Fixed-to-Fixed Rate Subordinated Notes Seri

Filed Pursuant to Rule 424(b)(5) Registration No. 333-266405 Prospectus Supplement September 18, 2023 (To Prospectus Dated July 29, 2022) US$2,000,000,000 Enbridge Inc. US$750,000,000 8.250% Fixed-to-Fixed Rate Subordinated Notes Series 2023-A due 2084 Preference Shares, Series 2023-A Issuable Upon Automatic Conversion US$1,250,000,000 8.500% Fixed-to-Fixed Rate Subordinated Notes Series 2023-B du

Subject to Completion, Dated September 18, 2023

Filed Pursuant to Rule 424(b)(5) Registration No. 333-266405 The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission. This prospectus supplement and the accompanying prospectus are not an offer to sell these securitie

ENBRIDGE INC. 8.250% Fixed-to-Fixed Rate Subordinated Notes Series 2023-A due 2084 Preference Shares, Series 2023-A Issuable Upon Automatic Conversion 8.500% Fixed-to-Fixed Rate Subordinated Notes Series 2023-B due 2084 Preference Shares, Series 2023

FREE WRITING PROSPECTUS Filed Pursuant to Rule 433 Registration No. 333-266405 September 18, 2023 This document does not provide full disclosure of all material facts relating to the securities offered. Investors should read the preliminary prospectus supplement, dated September 18, 2023, and the accompanying prospectus, dated July 29, 2022, included in the Issuer’s Registration Statement on Form

Enbridge announces executive leadership changes

Exhibit 99.1 Enbridge announces executive leadership changes September 12, 2023 CALGARY, AB, September 12, 2023 /CNW/—Today, Greg Ebel, President & Chief Executive Officer of Enbridge Inc. (TSX: ENB) (NYSE: ENB) announced the following executive leadership changes. Mr. Reggie Hedgebeth has been appointed Executive Vice President, External Affairs & Chief Legal Officer and Ms. Laura Buss Sayavedra

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): September 11, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number)

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): September 8, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number)

Underwriting Agreement, dated as of September 6, 2023, by and between Enbridge Inc. and the several Underwriters named therein

Exhibit 1.1 Enbridge Inc. Common Shares Underwriting Agreement Calgary, Alberta September 6, 2023 RBC Dominion Securities Inc. Morgan Stanley Canada Limited As Representatives of the several Underwriters named in Schedule II hereto c/o RBC Dominion Securities Inc. Suite 3900, 888 – 3rd Street SW Bankers Hall West Calgary, AB T2P 5C5 Ladies and Gentlemen: Enbridge Inc., a corporation organized unde

Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

EX-FILING FEES Calculation of Filing Fee Tables 424(b)(5) (Form Type) Issuer: Enbridge Inc.

89,490,000 Common Shares

Filed Pursuant to Rule 424(b)(5) Registration No. 333-266405 Prospectus Supplement September 6, 2023 (To Prospectus Dated July 29, 2022) 89,490,000 Common Shares Enbridge Inc. (the “Corporation”) is offering 89,490,000 common shares (“Common Shares”) (such offered Common Shares, together with the Common Shares issuable upon exercise of the Over-Allotment Option (as defined below), the “Offered Sha

Enbridge Announces Strategic Acquisition of Three U.S. Based Utilities to Create Largest Natural Gas Utility Franchise in North America

Exhibit 99.1 Enbridge Announces Strategic Acquisition of Three U.S. Based Utilities to Create Largest Natural Gas Utility Franchise in North America September 5, 2023 HIGHLIGHTS: · Enbridge has entered into definitive agreements with Dominion Energy, Inc. to acquire The East Ohio Gas Company (“EOG”), Questar Gas Company (“Questar Gas”), and its related Wexpro companies (“Wexpro” and collectively w

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): September 5, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) CANADA 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number)

Greg Ebel President & CEO September 5, 2023 Pat Murray EVP & CFO U.S. Gas Utilities Acquisition Generational acquisition furthers ENB’s utility - like model at an attractive and accretive purchase price Transaction Overview 3 (1) US$14.0B Converted a

Exhibit 99.3 Greg Ebel President & CEO September 5, 2023 Pat Murray EVP & CFO U.S. Gas Utilities Acquisition Legal notice 2 Prospectus A final base shelf prospectus of Enbridge Inc. dated September 5 , 2023 containing important information relating to the securities described in this document has been filed with the securit ies regulatory authorities in each of the provinces of Canada. A copy of t

FREE WRITING PROSPECTUS

FREE WRITING PROSPECTUS Filed Pursuant to Rule 433 Registration No. 333-266405 Term Sheet September 5, 2023 The issuer has filed a registration statement (including a prospectus) and a preliminary prospectus supplement with the U.S. Securities and Exchange Commission (the “SEC”) for the offering to which this document relates. A base shelf prospectus containing important information relating to th

Enbridge Announces CDN$4.0 Billion Bought-Deal Offering of Common Shares

Exhibit 99.2 Enbridge Announces CDN$4.0 Billion Bought-Deal Offering of Common Shares CALGARY, ALBERTA– (September 5, 2023) - Enbridge Inc. (TSX:ENB) (NYSE:ENB) (“Enbridge” or the “Company”) today announced that it has entered into an agreement with a syndicate of underwriters led by RBC Capital Markets and Morgan Stanley, and including BMO Capital Markets, CIBC Capital Markets, National Bank Fina

Subject to Completion, Dated September 5, 2023

Filed Pursuant to Rule 424(b)(5) Registration No. 333-266405 Subject to Completion, Dated September 5, 2023 The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission. This prospectus supplement and the accompanying pros

Greg Ebel President & CEO September 5, 2023 Pat Murray EVP & CFO U.S. Gas Utilities Acquisition Generational acquisition furthers ENB’s utility - like model at an attractive and accretive purchase price Transaction Overview 3 (1) US$14.0B Converted a

FREE WRITING PROSPECTUS Filed Pursuant to Rule 433 Registration No. 333-266405 Greg Ebel President & CEO September 5, 2023 Pat Murray EVP & CFO U.S. Gas Utilities Acquisition Legal notice 2 Prospectus A final base shelf prospectus of Enbridge Inc. dated September 5 , 2023 containing important information relating to the securities described in this document has been filed with the securit ies regu

As filed with the Securities and Exchange Commission on August 18, 2023

As filed with the Securities and Exchange Commission on August 18, 2023 Registration No.

First Amendment to the Enbridge Employee Services, Inc. Employees’ Savings Plan, executed on December 10, 2019*

Exhibit 4.5 Execution Copy ENBRIDGE EMPLOYEE SERVICES, INC. PENSION ADMINISTRATION COMMITTEE ACTION IN WRITING Pursuant to Section 10.2 of the Enbridge Employee Services, Inc. Employees’ Savings Plan, the Enbridge Employee Services, Inc. Pension Administration Committee (the “Committee”) adopted the following resolutions at a meeting of the Committee duly held on the 10th day of December 2019, at

Third Amendment to the Enbridge Employee Services, Inc. Employees’ Savings Plan, executed on August 31, 2020*

Exhibit 4.7 THIRD AMENDMENT TO THE ENBRIDGE EMPLOYEE SERVICES, INC. EMPLOYEES’ SAVINGS PLAN (AS AMENDED AND RESTATED GENERALLY EFFECTIVE JANUARY 1, 2019) Pursuant to Section 10.2 of the Enbridge Employee Services, Inc. Employees’ Savings Plan, as amended (the “Savings Plan”), the Enbridge U.S. Pension Administration Committee (the “Committee”) has reviewed and approved this Third Amendment at a me

Filing Fee Table*

Exhibit 107 CALCULATION OF FILING FEE TABLE Form S-8 (Form Type) Enbridge Inc. (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit(2) Maximum Aggregate Offering Price Fee Rate Amount Of Registration Fee Equity Common Shares Rule 457(c) and Rule 457 (h

Sixth Amendment to the Enbridge Employee Services, Inc. Employees’ Savings Plan, executed on April 13, 2021*

Exhibit 4.10 SIXTH AMENDMENT TO THE ENBRIDGE EMPLOYEE SERVICES, INC. EMPLOYEES’ SAVINGS PLAN (AS AMENDED AND RESTATED GENERALLY EFFECTIVE JANUARY 1, 2019) Pursuant to Section 10.2 of the Enbridge Employee Services, Inc. Employees’ Savings Plan, as amended (the “Savings Plan”), the Enbridge U.S. Pension Administration Committee (the “Committee”) has reviewed and approved this Sixth Amendment at a m

Fourth Amendment to the Enbridge Employee Services, Inc. Employees’ Savings Plan, executed on August 31, 2020*

Exhibit 4.8 FOURTH AMENDMENT TO THE ENBRIDGE EMPLOYEE SERVICES, INC. EMPLOYEES’ SAVINGS PLAN (AS AMENDED AND RESTATED GENERALLY EFFECTIVE JANUARY 1, 2019) Pursuant to Section 10.2 of the Enbridge Employee Services, Inc. Employees’ Savings Plan, as amended (the “Savings Plan”), the Enbridge U.S. Pension Administration Committee (the “Committee”) has reviewed and approved this Fourth Amendment at a

Seventh Amendment to the Enbridge Employee Services, Inc. Employees’ Savings Plan, executed on December 7, 2021*

Exhibit 4.11 SEVENTH AMENDMENT TO THE ENBRIDGE EMPLOYEE SERVICES, INC. EMPLOYEES’ SAVINGS PLAN (AS AMENDED AND RESTATED GENERALLY EFFECTIVE JANUARY 1, 2019) Pursuant to Section 10.2 of the Enbridge Employee Services, Inc. Employees’ Savings Plan, as amended (the “Savings Plan”), the Enbridge U.S. Pension Administration Committee (the “Committee”) has reviewed and approved this Seventh Amendment at

Second Amendment to the Enbridge Employee Services, Inc. Employees’ Savings Plan, executed on July 21, 2020*

Exhibit 4.6 SECOND AMENDMENT TO THE ENBRIDGE EMPLOYEE SERVICES, INC. EMPLOYEES’ SAVINGS PLAN (AS AMENDED AND RESTATED GENERALLY EFFECTIVE JANUARY 1, 2019) Pursuant to Section 10.2 of the Enbridge Employee Services, Inc. Employees’ Savings Plan, as amended (the “Savings Plan”), the U.S. Pension Administration Committee (the “Committee”) has reviewed and approved this Second Amendment at a meeting o

Fifth Amendment to the Enbridge Employee Services, Inc. Employees’ Savings Plan, executed on March 3, 2021*

Exhibit 4.9 FIFTH AMENDMENT TO THE ENBRIDGE EMPLOYEE SERVICES, INC. EMPLOYEES’ SAVINGS PLAN (AS AMENDED AND RESTATED GENERALLY EFFECTIVE JANUARY 1, 2019) Pursuant to Section 10.2 of the Enbridge Employee Services, Inc. Employees’ Savings Plan, as amended (the “Savings Plan”), the U.S. Pension Administration Committee (the “Committee”) has reviewed and approved this Fifth Amendment via the unanimou

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 5, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-15254 ENBRIDGE INC. (Exact N

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 4, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IR

Subsidiary Guarantors

Exhibit 22.1 Subsidiary Guarantors As of June 30, 2023, each of the following subsidiaries of Enbridge Inc. (“Enbridge”), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of the Company listed below: Subsidiary Guarantors 1.Spectra Energy Partners, LP, a Delaw

Three months ended June 30, Six months ended June 30, 2023 2022 2023 2022 (unaudited; millions of Canadian dollars) Liquids Pipelines 2,451 1,818 4,814 4,147 Gas Transmission and Midstream 1,042 1,119 2,247 2,133 Gas Distribution and Storage 367 417

NEWS RELEASE Enbridge Reports Strong Second Quarter 2023 Financial Results and Reaffirms Financial Guidance and Outlook CALGARY, AB, August 4, 2023 /CNW/ - Enbridge Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 25, 2023 ENBRIDGE INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 25, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

Form 11-K

11-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K ☒ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-15254 ENBRIDGE EMPLOYEE SERVICES, INC.

Enbridge announces executive leadership changes

EX-99.1 Exhibit 99.1 Enbridge announces executive leadership changes CALGARY, AB, May 8, 2023 – Today, Enbridge Inc. (TSX: ENB) (NYSE: ENB) (Enbridge or the Company) announced the following executive leadership changes. The Enbridge Board of Directors has appointed Patrick Murray, currently Senior Vice President & Chief Accounting Officer, to succeed Vern Yu as Executive Vice President and Chief F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 5, 2023 ENBRIDGE INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 5, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS E

Subsidiary Guarantors

EX-22.1 3 eiex221-subsidiaryguaranto.htm EX-22.1 Exhibit 22.1 Subsidiary Guarantors As of March 31, 2023, each of the following subsidiaries of Enbridge Inc. (“Enbridge”), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of the Company listed below: Subsidiary

Enbridge Inc. Directors’ Compensation Plan dated February 8, 2023, effective January 1, 2023 (incorporated by reference to Exhibit 10.1 to Enbridge’s Form 10-Q filed May 5, 2023)

Exhibit 10.1 ENBRIDGE INC. DIRECTORS’ COMPENSATION PLAN February 8, 2023 Effective January 1, 2023 1 ENBRIDGE INC. DIRECTORS’ COMPENSATION PLAN 1.DEFINED TERMS As used herein, the following terms shall have the following meanings, respectively: “Beneficiary” means any person(s) designated by a Director as indicated on the Designation of Beneficiary Form, to receive any cash amount or Shares under

Three months ended March 31, 2023 2022 (unaudited; millions of Canadian dollars) Liquids Pipelines 2,363 2,329 Gas Transmission and Midstream 1,205 1,014 Gas Distribution and Storage 716 665 Renewable Power Generation 136 162 Energy Services 1 (101)

NEWS RELEASE Enbridge Reports Strong First Quarter 2023 Financial Results and Reaffirms Financial Guidance and Outlook CALGARY, AB, May 5, 2023 /CNW/ - Enbridge Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-15254 ENBRIDGE INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 5, 2023 ENBRIDGE INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 5, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS E

Shareholder Rights Plan Agreement between Enbridge Inc. and Computershare Trust Company of Canada dated as of November 9, 1995 and Amended and Restated as of May 3, 2023 (incorporated by reference to Exhibit 4.1 to Enbridge’s Current Report on Form 8-K filed May 4, 2023)

EX-4.1 Exhibit 4.1 SHAREHOLDER RIGHTS PLAN AGREEMENT DATED AS OF NOVEMBER 9, 1995 AND AMENDED AND RESTATED AS OF MAY 1, 1996, FEBRUARY 24, 1999, MAY 3, 2002, MAY 5, 2005, MAY 7, 2008, MAY 11, 2011, MAY 7, 2014, MAY 11, 2017, MAY 5, 2020 AND MAY 3, 2023 BETWEEN ENBRIDGE INC. AND COMPUTERSHARE TRUST COMPANY OF CANADA AS RIGHTS AGENT McCarthy Tétrault LLP SHAREHOLDER RIGHTS PLAN AGREEMENT TABLE OF CO

Enbridge Inc. Announces Election of Directors

EX-99.1 Exhibit 99.1 Enbridge Inc. Announces Election of Directors CALGARY, ALBERTA, May 3, 2023 – Enbridge Inc. (TSX: ENB) (NYSE: ENB) (Enbridge or the Company) held its Annual Meeting of Shareholders today. On a vote by ballot during the regular business proceedings at the meeting, shareholders approved the election of all 11 nominated directors proposed by management as listed in the Management

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 3, 2023 ENBRIDGE INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 3, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS E

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on April 28, 2023, pursuant to the provisions of Rule 12d2-2 (a).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 2) CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 2, 20

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 2) CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 2, 2022 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commis

Form of Executive Employment Agreement (2023) with Enbridge Employee Services, Inc. (incorporated by reference to Exhibit 10.1 of Enbridge’s Current Report on Form 8-K Amendment No. 2 filed March 20, 2023)

EX-10.1 Exhibit 10.1 ENBRIDGE EMPLOYEE SERVICES, INC. EXECUTIVE EMPLOYMENT AGREEMENT BETWEEN ENBRIDGE EMPLOYEE SERVICES, INC. - and - [] Dated As of [] TABLE OF CONTENTS ARTICLE 1 DEFINITIONS AND INTERPRETATION 1 1.1 Definitions 1 ARTICLE 2 EMPLOYMENT 6 2.1 Position, Duties and Responsibilities of Executive 6 2.2 Term of Agreement and Executive Notice of Resignation 7 2.3 Executive’s Obligation to

Information Circular

EX-99.1 Exhibit 99.1 Notice of 2023 annual meeting and notice of availability of meeting materials (registered) Throughout this notice, Enbridge and our means Enbridge Inc. and you, your, and shareholder mean a registered holder of common shares of Enbridge. As permitted by Canadian securities regulators, Enbridge is using notice-and-access to deliver the materials for our 2023 annual meeting of s

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 15, 2023 ENBRIDGE INC (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 15, 2023 ENBRIDGE INC (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction (Commission (IRS Employer of Incorporation) Fil

To start This year, the meeting will take place virtually. You will be able to participate online using your smartphone, tablet or computer. You will be able to view a live webcast of the meeting. Registered shareholders and duly appointed proxyholde

EX-99.3 Exhibit 99.3 To start This year, the meeting will take place virtually. You will be able to participate online using your smartphone, tablet or computer. You will be able to view a live webcast of the meeting. Registered shareholders and duly appointed proxyholders will be able to ask questions and submit their votes in real time. You may also provide voting instructions before the meeting

Information Circular

EX-99.2 Exhibit 99.2 Notice of 2023 annual meeting and notice of availability of meeting materials (beneficial) Throughout this notice, Enbridge and our means Enbridge Inc. and you, your, and shareholder mean a beneficial holder of common shares of Enbridge. As permitted by Canadian securities regulators, Enbridge is using notice-and-access to deliver the materials for our 2023 annual meeting of s

US$3,000,000,000 Enbridge Inc. US$2,300,000,000 5.700% Sustainability-Linked Senior Notes due 2033 US$700,000,000 5.969% Senior Notes due 2026 Fully and Unconditionally Guaranteed by Enbridge Energy Partners, L.P. and Spectra Energy Partners, LP

Filed Pursuant to Rule 424(b)(5) Registration No. 333-266405 Prospectus Supplement March 6, 2023 (To Prospectus Dated July 29, 2022) US$3,000,000,000 Enbridge Inc. US$2,300,000,000 5.700% Sustainability-Linked Senior Notes due 2033 US$700,000,000 5.969% Senior Notes due 2026 Fully and Unconditionally Guaranteed by Enbridge Energy Partners, L.P. and Spectra Energy Partners, LP We are offering US$2,

Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc. Enbridge Energy Partners, L.P. Spectra Energy Partners, LP (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

EX-FILING FEES Calculation of Filing Fee Tables 424(b)(5) (Form Type) Issuer: Enbridge Inc.

Form of Global Note representing the Sustainability-Linked Senior Notes (included in Exhibit 4.1).

Exhibit 4.1 EXECUTION VERSION ENBRIDGE INC. OFFICERS’ CERTIFICATE PURSUANT TO SECTIONS 102, 201, AND 301 OF THE INDENTURE March 8, 2023 We, Jonathan E. Gould, Vice President, Treasury, Risk & Pensions, and Karen K.L. Uehara, Vice President & Corporate Secretary, of Enbridge Inc., a corporation duly incorporated under the Companies Act of the Northwest Territories and continued and existing under t

Underwriting Agreement, dated as of March 6, 2023, between the Corporation, the Guarantors and the underwriters party thereto.

Exhibit 1.1 Enbridge Inc. $700,000,000 5.969% Senior Notes due 2026 $2,300,000,000 5.700% Sustainability-Linked Senior Notes due 2033 Underwriting Agreement March 6, 2023 J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 Mizuho Securities USA LLC 1271 Avenue of the Americas New York, New York 10020 Morgan Stanley & Co. LLC 1585 Broadway New York, New York 10036 SMBC Nikko Secu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 8, 2023 ENBRIDGE INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 8, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

ENBRIDGE INC. 5.969% Senior Notes due 2026 5.700% Sustainability-Linked Senior Notes due 2033

FREE WRITING PROSPECTUS Filed Pursuant to Rule 433 Registration No. 333-266405 March 6, 2023 This document does not provide full disclosure of all material facts relating to the securities offered. Investors should read the registration statement, any amendment and any applicable prospectus supplement for disclosure of those facts, especially risk factors relating to the securities offered, before

Executive Summary

EX-99.1 Exhibit 99.1 Contents At Enbridge, we safely connect millions of people to the energy they rely on every day, fueling quality of life through our North American natural gas, oil or renewable power networks and our growing European offshore wind portfolio. We’re investing in modern energy delivery infrastructure to sustain access to secure, affordable energy and building on two decades of e

Subject to Completion, Dated March 6, 2023

Filed Pursuant to Rule 424(b)(5) Registration No. 333-266405 Subject to Completion, Dated March 6, 2023 The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission. This prospectus supplement and the accompanying prospect

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No. 1 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REP

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No. 1 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 6, 2023 ENBRIDGE INC (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 6, 2023 ENBRIDGE INC (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 1, 2023 ENBRIDGE INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 1, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

Enbridge Provides Update on Strategic Priorities, Announces Accretive Investments, and Introduces Medium-term Growth Outlook

EX-99.1 Exhibit 99.1 Enbridge Provides Update on Strategic Priorities, Announces Accretive Investments, and Introduces Medium-term Growth Outlook CALGARY, AB, March 1, 2023/CNW/ - Enbridge Inc. (Enbridge or the Company) (TSX: ENB) (NYSE: ENB) is providing an update on its strategic priorities and financial outlook, which will be further discussed at the Company’s investor conference today in Toron

Subsidiaries of the Registrant

Exhibit 21.1 – Subsidiaries of the Registrant Enbridge Inc. Entity Name Jurisdiction 1090577 B.C. Unlimited Liability Company British Columbia 1329165 Alberta Ltd. Alberta 1682399 Ontario Corp. Ontario 2099634 Ontario Limited Ontario 2562961 Ontario Ltd. Ontario 2193914 Canada Limited Canada 4296559 Canada Inc. Canada 3268126 Nova Scotia Company Nova Scotia 5679 Cherry Lane, LLC Wisconsin 626952 A

Subsidiary Guarantors

Exhibit 22.1 Subsidiary Guarantors As of December 31, 2022, each of the following subsidiaries of Enbridge Inc. (“Enbridge”), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of the Company listed below: Subsidiary Guarantors 1.Spectra Energy Partners, LP, a D

Three months ended December 31, Twelve months ended December 31, 2022 2021 2022 2021 (unaudited; millions of Canadian dollars) Liquids Pipelines 2,271 2,141 8,364 7,897 Gas Transmission (1,258) 946 3,126 3,671 Gas Distribution & Storage 459 743 1,827

NEWS RELEASE Enbridge Reports Strong 2022 Financial Results and Advances Strategic Priorities CALGARY, AB, February 10, 2023 /CNW/ - Enbridge Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-15254 ENBRIDGE INC. (Exact Name

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 10, 2023 ENBRIDGE INC. (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 10, 2023 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number)

Fifth Amendment to The Enbridge Supplemental Pension Plan for United States Employees (As Amended and Restated Effective January 1, 2005) (incorporated by reference to Exhibit 10.43 to Enbridge’s Annual Report on Form 10-K filed February 10, 2023)

Exhibit 10.43 FIFTH AMENDMENT TO THE ENBRIDGE SUPPLEMENTAL PENSION PLAN FOR UNITED STATES EMPLOYEES (AS AMENDED AND RESTATED EFFECTIVE JANUARY 1, 2005) Pursuant to the authority delegated to them by resolutions of the Board of Directors (the "Resolutions") of Enbridge Inc. ("EI") authorizing the transaction described in the Securities Purchase Agreement between Enbridge Gas Distribution Inc. and L

Fourth Amendment to The Enbridge Supplemental Pension Plan for United States Employees (As Amended and Restated Effective January 1, 2005) (incorporated by reference to Exhibit 10.42 to Enbridge’s Annual Report on Form 10-K filed February 10, 2023)

Execution Copy Exhibit 10.42 FOURTH AMENDMENT TO THE ENBRIDGE SUPPLEMENTAL PENSION PLAN FOR UNITED STATES EMPLOYEES (As Amended and Restated Effective January 1, 2005) Pursuant to Section 8.1 of the Enbridge Employee Services, Inc. Employees' Supplemental Plan, as amended (the "Supplemental Plan"), and the authority delegated to it by the Board of Directors of Enbridge Employee Services, Inc. (the

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 2, 2022 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commis

ENBRIDGE INC. 2019 LONG TERM INCENTIVE PLAN RESTRICTED STOCK UNIT GRANT NOTICE – FORM OF RETENTION AWARD

EX-99.1 Exhibit 99.1 ENBRIDGE INC. 2019 LONG TERM INCENTIVE PLAN RESTRICTED STOCK UNIT GRANT NOTICE – FORM OF RETENTION AWARD Pursuant to the Enbridge Inc. 2019 Long Term Incentive Plan (the “Plan”), Enbridge Inc. (the “Company”) has granted to the participant listed below (“Participant”) an award (the “Award”) of Restricted Stock Units (the “RSUs”), as described in this Restricted Stock Unit Gran

Enbridge Appoints Pamela L. Carter as Chair of the Board, Effective January 1, 2023

EX-99.3 Exhibit 99.3 Enbridge Appoints Pamela L. Carter as Chair of the Board, Effective January 1, 2023 CALGARY, ALBERTA, Nov. 30, 2022 /CNW/ - Enbridge Inc. (TSX: ENB) (NYSE: ENB) (Enbridge or the Company) today announced Pamela L. Carter as Chair of the Board effective January 1, 2023, coincident with the appointment of current Board Chair, Greg Ebel, as President & CEO on the same date. Mr. Eb

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 25, 2022 ENBRIDGE INC. (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 25, 2022 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number)

Enbridge Announces 2023 Financial Guidance and Dividend Increase

EX-99.2 Exhibit 99.2 NEWS RELEASE Enbridge Announces 2023 Financial Guidance and Dividend Increase CALGARY, ALBERTA, November 30, 2022 – Enbridge Inc. (Enbridge or the Company) (TSX:ENB)(NYSE:ENB) announced today its 2023 financial guidance and an annualized common share dividend increase from $3.44 to $3.55 per share, or 3.2%, effective March 1, 2023. HIGHLIGHTS (All financial figures are unaudit

Three months ended September 30, Nine months ended September 30, 2022 2021 2022 2021 (unaudited; millions of Canadian dollars) Liquids Pipelines 1,946 1,673 6,093 5,756 Gas Transmission and Midstream 2,251 884 4,384 2,725 Gas Distribution and Storage

NEWS RELEASE Enbridge Reports Strong Third Quarter 2022 Financial Results and Secures B.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-10934 ENBRIDGE INC. (Exac

Subsidiary Guarantors

Exhibit 22.1 Subsidiary Guarantors As of September 30, 2022, each of the following subsidiaries of Enbridge Inc. (“Enbridge”), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of the Company listed below: Subsidiary Guarantors 1.Spectra Energy Partners, LP, a

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 4, 2022 ENBRIDGE INC. (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 4, 2022 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 2, 2022 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I

Enbridge Announces Al Monaco’s Retirement; Names Greg Ebel as President and CEO

EX-99.1 Exhibit 99.1 Enbridge Announces Al Monaco’s Retirement; Names Greg Ebel as President and CEO CALGARY, Alberta, October 3, 2022 – Enbridge Inc. (TSX, NYSE:ENB) (Enbridge or the Company) today announced Al Monaco’s retirement as President and Chief Executive Officer and from its Board of Directors effective January 1, 2023. Concurrent with this announcement and after considering internal and

Tenth Supplemental Indenture to the Indenture between Enbridge Inc. and Deutsche Bank Trust Company Americas, dated September 20, 2022 (incorporated by reference to Exhibit 4.2 to Enbridge’s Current Report on Form 8-K filed September 20, 2022)

Exhibit 4.2 EXECUTION VERSION ENBRIDGE INC. Tenth Supplemental Indenture Dated as of September 20, 2022 (Supplemental to Indenture Dated as of February 25, 2005) DEUTSCHE BANK TRUST COMPANY AMERICAS, as Trustee TENTH SUPPLEMENTAL INDENTURE, dated as of September 20, 2022 (the ?Tenth Supplemental Indenture?), between Enbridge Inc., a corporation duly incorporated under the Companies Ordinance of th

Ninth Supplemental Indenture to the Indenture between Enbridge Inc. and Deutsche Bank Trust Company Americas, dated September 20, 2022 (incorporated by reference to Exhibit 4.1 to Enbridge’s Current Report on Form 8-K filed September 20, 2022)

Exhibit 4.1 EXECUTION VERSION ENBRIDGE INC. Ninth Supplemental Indenture Dated as of September 20, 2022 (Supplemental to Indenture Dated as of February 25, 2005) DEUTSCHE BANK TRUST COMPANY AMERICAS, as Trustee NINTH SUPPLEMENTAL INDENTURE, dated as of September 20, 2022 (the ?Ninth Supplemental Indenture?), between Enbridge Inc., a corporation duly incorporated under the Companies Ordinance of th

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): September 15, 2022 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number)

Underwriting Agreement, dated September 15, 2022, between the Corporation and the underwriters party thereto.

Exhibit 1.1 Enbridge Inc. $500,000,000 7.375% Fixed-to-Fixed Rate Subordinated Notes Series 2022-B due 2083 $600,000,000 7.625% Fixed-to-Fixed Rate Subordinated Notes Series 2022-C due 2083 Underwriting Agreement September 15, 2022 J.P. Morgan Securities LLC Citigroup Global Markets Inc. Deutsche Bank Securities Inc. MUFG Securities Americas Inc. As Representatives of the several Underwriters name

Certificate of Amendment, dated September 15, 2022 (incorporated by reference to Exhibit 3.2 to Enbridge’s Current Report on Form 8-K filed September 20, 2022)

Exhibit 3.2 Certificate of Amendment Certificat de modification Canada Business Corporations Act Loi canadienne sur les soci?t?s par actions Enbridge Inc. Corporate name / D?nomination sociale 227602-0 Corporation number / Num?ro de soci?t? I HEREBY CERTIFY that the articles of the above-named corporation are amended under section 27 of the Canada Business Corporations Act as set out in the attach

Certificate of Amendment, dated September 15, 2022 (incorporated by reference to Exhibit 3.1 to Enbridge’s Current Report on Form 8-K filed September 20, 2022)

Exhibit 3.1 Certificate of Amendment Certificat de modification Canada Business Corporations Act Loi canadienne sur les soci?t?s par actions Enbridge Inc. Corporate name / D?nomination sociale 227602-0 Corporation number / Num?ro de soci?t? I HEREBY CERTIFY that the articles of the above-named corporation are amended under section 27 of the Canada Business Corporations Act as set out in the attach

US$1,100,000,000 Enbridge Inc. US$500,000,000 7.375% Fixed-to-Fixed Rate Subordinated Notes Series 2022-B due 2083 Preference Shares, Series 2022-B Issuable Upon Automatic Conversion US$600,000,000 7.625% Fixed-to-Fixed Rate Subordinated Notes Series

Filed pursuant to Rule 424(b)(5) Registration No. 333-266405 Prospectus Supplement September 15, 2022 (To Prospectus Dated July 29, 2022) US$1,100,000,000 Enbridge Inc. US$500,000,000 7.375% Fixed-to-Fixed Rate Subordinated Notes Series 2022-B due 2083 Preference Shares, Series 2022-B Issuable Upon Automatic Conversion US$600,000,000 7.625% Fixed-to-Fixed Rate Subordinated Notes Series 2022-C due

Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

EX-FILING FEES Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc.

Subject to Completion, Dated September 15, 2022

Filed pursuant to Rule 424(b)(5) Registration No. 333-266405 The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission. This prospectus supplement and the accompanying prospectus are not an offer to sell these securitie

ENBRIDGE INC. 7.375% Fixed-to-Fixed Rate Subordinated Notes Series 2022-B due 2083 Preference Shares, Series 2022-B Issuable Upon Automatic Conversion 7.625% Fixed-to-Fixed Rate Subordinated Notes Series 2022-C due 2083 Preference Shares, Series 2022

FREE WRITING PROSPECTUS Filed Pursuant to Rule 433 Registration No. 333-266405 September 15, 2022 This document does not provide full disclosure of all material facts relating to the securities offered. Investors should read the registration statement, any amendment and any applicable prospectus supplement for disclosure of those facts, especially risk factors relating to the securities offered, b

Three months ended June 30, Six months ended June 30, 2022 2021 2022 2021 (unaudited; millions of Canadian dollars) Liquids Pipelines 1,818 2,044 4,147 4,083 Gas Transmission and Midstream 1,119 868 2,133 1,841 Gas Distribution and Storage 417 458 1,

NEWS RELEASE Enbridge Reports Second Quarter 2022 Financial Results and Announces $3.

Statement of Eligibility of Trustee on Form T-1 with respect to Exhibit 4.1.

Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C.20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) DEUTSCHE BANK TRUST COMPANY AMERICAS (formerly BANKERS TRUST COMPANY) (Exact name of trustee as specified

As filed with the Securities and Exchange Commission on July 29, 2022

Table of Contents As filed with the Securities and Exchange Commission on July 29, 2022 Registration No.

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 29, 2022 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-10934 ENBRIDGE INC. (Exact Nam

Form of Executive Employment Agreement (2022) with Enbridge Employee Services, Inc. (incorporated by reference to Exhibit 10.1 to Enbridge’s Form 10-Q filed on July 29, 2022)

Exhibit 10.1 ENBRIDGE EMPLOYEE SERVICES, INC. EXECUTIVE EMPLOYMENT AGREEMENT BETWEEN ENBRIDGE EMPLOYEE SERVICES, INC. - and - [ ] Dated As of [ ] TABLE OF CONTENTS ARTICLE 1 DEFINITIONS AND INTERPRETATION 1 1.1 Definitions 1 ARTICLE 2 EMPLOYMENT 7 2.1 Position, Duties and Responsibilities of Executive 7 2.2 Term of Agreement 8 2.3 Benefits 9 2.4 Termination of Agreement upon Disability of Executiv

Filing Fee Table.

Exhibit 107 Form S-3 (Form Type) Enbridge Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File

Subsidiary Guarantors

Exhibit 22.1 Subsidiary Guarantors As of June 30, 2022, each of the following subsidiaries of Enbridge Inc. (?Enbridge?), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of the Company listed below: Subsidiary Guarantors 1.Spectra Energy Partners, LP, a Delaw

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K ☒ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ☐ TRANSITION REPORT PURSUANT TO SECTION

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K ? ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-15254 ENBRIDGE EMPLOYEE S

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 8, 2022 ENBRIDGE INC (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS E

Press Release of Enbridge Inc. dated May 4, 2022.

Exhibit 99.2 Enbridge Inc. Announces Election of Directors CALGARY, ALBERTA, May 4, 2022 ? Enbridge Inc. (TSX: ENB) (NYSE: ENB) (Enbridge or the Company) held its Annual Meeting of Shareholders today. On a vote by ballot during the regular business proceedings at the meeting, shareholders approved the election of all 12 nominated directors proposed by management as listed in the Management Informa

Subsidiary Guarantors

Exhibit 22.1 Subsidiary Guarantors As of March 31, 2022, each of the following subsidiaries of Enbridge Inc. (?Enbridge?), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of the Company listed below: Subsidiary Guarantors 1.Spectra Energy Partners, LP, a Dela

Three months ended March 31, 2022 2021 (unaudited; millions of Canadian dollars) Liquids Pipelines 2,329 2,039 Gas Transmission and Midstream 1,014 973 Gas Distribution and Storage 665 634 Renewable Power Generation 162 156 Energy Services (101) 64 E

NEWS RELEASE Enbridge Reports First Quarter 2022 Financial Results and Advances New Organic Growth Opportunities CALGARY, May 6, 2022 /CNW/ - Enbridge Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-10934 ENBRIDGE INC. (Exact Na

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 6, 2022 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS E

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 4, 2022 ENBRIDGE INC (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Em

2

Exhibit 99.1 NEWS RELEASE Enbridge Inc. Announces Election of Directors CALGARY, ALBERTA, May 4, 2022 ? Enbridge Inc. (TSX: ENB) (NYSE: ENB) (Enbridge or the Company) held its Annual Meeting of Shareholders today. On a vote by ballot during the regular business proceedings at the meeting, shareholders approved the election of all 12 nominated directors proposed by management as listed in the Manag

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 17, 2022 ENBRIDGE INC (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

Information Circular

Exhibit 99.1 Notice of 2022 Annual Meeting and Notice of availability of meeting materials (Registered) Throughout this notice, Enbridge and our means Enbridge Inc. and you, your, and shareholder mean a beneficial holder of common shares of Enbridge. You are receiving this notice because Enbridge is using the notice and access system to deliver to you our Management Information Circular and other

Information Circular

Exhibit 99.2 Notice of 2022 Annual Meeting and Notice of availability of meeting materials (Beneficial) Throughout this notice, Enbridge and our means Enbridge Inc. and you, your, and shareholder mean a beneficial holder of common shares of Enbridge. You are receiving this notice because Enbridge is using the notice and access system to deliver to you our Management Information Circular and other

To start

Exhibit 99.3 To start This year, the meeting will take place virtually. You will be able to participate online using your smartphone, tablet or computer. You will be able to view a live webcast of the meeting and registered shareholders and duly appointed proxyholders will be able to ask questions and submit their votes in real time. You may also provide voting instructions before the meeting by c

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No. 1 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 o

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No. 1 ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number

FOR each nominee

Exhibit 99.1 Contents ? Enbridge Inc. is a leading North American energy infrastructure company. We safely and reliably deliver the energy people need and want to fuel quality of life. Our core businesses include Liquids Pipelines, which transports approximately 30 percent of the crude oil produced in North America; Gas Transmission and Midstream, which transports approximately 20 percent of the n

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 7, 2022 ENBRIDGE INC (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction (Commission (IRS Employer of Incorporation) File

Form of Global Note representing the Floating Rate Notes (included in Exhibit 4.1).

Exhibit 4.1 ENBRIDGE INC. OFFICERS? CERTIFICATE PURSUANT TO SECTIONS 102, 201, AND 301 OF THE INDENTURE We, Maximilian G. Chan, Vice President, Treasury & Enterprise Risk, and Karen K.L. Uehara, Vice President & Corporate Secretary, of Enbridge Inc., a corporation duly incorporated under the Companies Act of the Northwest Territories and continued and existing under the Canada Business Corporation

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 15, 2022 ENBRIDGE INC. (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number)

Underwriting Agreement, dated February 15, 2022, between the Corporation, the Guarantors and the underwriters party thereto.

Exhibit 1.1 Enbridge Inc. $400,000,000 2.150% Senior Notes due 2024 $500,000,000 2.500% Senior Notes due 2025 $600,000,000 Floating Rate Senior Notes due 2024 Underwriting Agreement February 15, 2022 BofA Securities, Inc. Mizuho Securities USA LLC SMBC Nikko Securities America, Inc. Truist Securities, Inc. As Representatives of the several Underwriters named in Schedule II hereto c/o BofA Securiti

Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

EX-FILING FEES Calculation of Filing Fee Tables 424(b)(5) (Form Type) Enbridge Inc.

US$1,500,000,000 Enbridge Inc. US$400,000,000 2.150% Senior Notes due 2024 US$500,000,000 2.500% Senior Notes due 2025 US$600,000,000 Floating Rate Senior Notes due 2024 Fully and Unconditionally Guaranteed by Enbridge Energy Partners, L.P. and Spect

Filed pursuant to Rule 424(b)(5) Registration No. 333-231553 Prospectus Supplement February 15, 2022 (To Prospectus Dated May 17, 2019) US$1,500,000,000 Enbridge Inc. US$400,000,000 2.150% Senior Notes due 2024 US$500,000,000 2.500% Senior Notes due 2025 US$600,000,000 Floating Rate Senior Notes due 2024 Fully and Unconditionally Guaranteed by Enbridge Energy Partners, L.P. and Spectra Energy Part

Subject to Completion, Dated February 15, 2022

Filed pursuant to Rule 424(b)(5) Registration No. 333-231553 The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission. This prospectus supplement and the accompanying prospectus are not an offer to sell these securitie

ENBRIDGE INC. 2.150% Senior Notes due 2024 2.500% Senior Notes due 2025 Floating Rate Senior Notes due 2024

FREE WRITING PROSPECTUS Filed Pursuant to Rule 433 Registration No. 333-231553 February 15, 2022 This document does not provide full disclosure of all material facts relating to the securities offered. Investors should read the registration statement, any amendment and any applicable prospectus supplement for disclosure of those facts, especially risk factors relating to the securities offered, be

General By-Law No. 1 of Enbridge Inc. (incorporated by reference to Exhibit 3.40 to Enbridge’s Form 10-K filed February 11, 2022)

Exhibit 3.40 ENBRIDGE INC. (the ?Corporation?) GENERAL BY-LAW NO. 1 A BY-LAW TO REGULATE THE BUSINESS AND AFFAIRS OF THE CORPORATION BE IT ENACTED AND IT IS HEREBY ENACTED as a by-law of the Corporation as follows: INTERPRETATION 1.In this by-law unless the context otherwise requires, words importing the singular number only shall include the plural, gender shall include the masculine, feminine an

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 11, 2022 ENBRIDGE INC (Exact Name of Registrant as Specified in Charter) Canada 001-15254 98-0377957 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

Subsidiary Guarantors

Exhibit 22.1 Subsidiary Guarantors As of December 31, 2021, each of the following subsidiaries of Enbridge Inc. (?Enbridge?), both of which are indirect, wholly-owned subsidiaries of Enbridge, has fully and unconditionally guaranteed on an unsecured, joint and several basis, each of the registered debt securities of the Company listed below: Subsidiary Guarantors 1.Spectra Energy Partners, LP, a D

Subsidiaries of the Registrant

Exhibit 21.1 Enbridge Inc. Entity Name Jurisdiction 1090577 B.C. Unlimited Liability Company British Columbia 1329165 Alberta Ltd. Alberta 1682399 Ontario Corp. Ontario 2099634 Ontario Limited Ontario 2562961 Ontario Ltd. Ontario 2193914 Canada Limited Canada 4296559 Canada Inc. Canada 3268126 Nova Scotia Company Nova Scotia 5679 Cherry Lane, LLC Wisconsin 626952 Alberta Ltd. Alberta 627149 Saskat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-10934 ENBRIDGE INC. (Exact Name of