South Bow USA Infrastructure Holdings LLC

EX-4.1 16 d946439dex41.htm EX-4.1 EX-4.1 Exhibit 4.1 6297782 LLC, as Issuer and The Guarantors Party Hereto and The Bank of New York Mellon, as U.S. Trustee and BNY Trust Company of Canada, as Canadian Trustee INDENTURE TABLE OF CONTENTS Page ARTICLE 1 Definitions and Incorporation by Reference Section 1.01. Definitions …

S-4 · 2025-06-20 · 0001193125-25-142932

EX-4.2 17 d946439dex42.htm EX-4.2 EX-4.2 Exhibit 4.2 6297782 LLC 4.911% Senior Notes due 2027 5.026% Senior Notes due 2029 6.176% Senior Notes due 2054 THIRD SUPPLEMENTAL INDENTURE Dated as of August 28, 2024 Third Supplemental Indenture Dated as of August 28, 2024 The Bank of New York Mellon, as U.S. Trustee and BNY Trust Company of Canada, as Canadian Trustee TABLE OF CONTENTS P AGE Article One CERTAIN DEFINITIONS …

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EX-4.3 18 d946439dex43.htm EX-4.3 EX-4.3 Exhibit 4.3 SOUTH BOW USA INFRASTRUCTURE HOLDINGS LLC 4.911% Senior Notes due 2027 5.026% Senior Notes due 2029 5.584% Senior Notes due 2034 6.176% Senior Notes due 2054 FOURTH SUPPLEMENTAL INDENTURE Dated as of October 1, 2024 FOURTH SUPPLEMENTAL INDENTURE (this “Fourth Supplemental Indenture”), dated as of October 1, 2024, to the Indenture dated as of August 1, 2023 (the “Base Indenture”), as supplemented by a First Supplemental Indenture d…

S-4 · 2025-06-20 · 0001193125-25-142932

EX-4.4 19 d946439dex44.htm EX-4.4 EX-4.4 Exhibit 4.4 REGISTRATION RIGHTS AGREEMENT by and among 6297782 LLC the Guarantors specified herein and J.P. Morgan Securities LLC RBC Capital Markets, LLC As Representatives of the several Initial Purchasers Dated as of August 28, 2024 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this “Agreement”) is made and entered into as of August 28, 2024, by and among 6297782 LLC, a Delaware limited liability company (the “Compan…

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EX-99.1 25 d946439dex991.htm EX-99.1 EX-99.1 Exhibit 99.1 LETTER OF TRANSMITTAL SOUTH BOW USA INFRASTRUCTURE HOLDINGS LLC (formerly known as 6297782 LLC) OFFER TO EXCHANGE ANY AND ALL 4.911% SENIOR NOTES DUE 2027 ISSUED ON AUGUST 28, 2024 FOR A LIKE PRINCIPAL AMOUNT OF CORRESPONDING 4.911% SENIOR NOTES DUE 2027 WHICH HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED ANY AND ALL 5.026% SENIOR NOTES DUE 2029 ISSUED ON AUGUST 28, 2024 FOR A LIKE PRINCIPAL AMOUNT OF COR…

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EX-99.2 26 d946439dex992.htm EX-99.2 EX-99.2 Exhibit 99.2 NOTICE OF GUARANTEED DELIVERY FOR SOUTH BOW USA INFRASTRUCTURE HOLDINGS LLC (formerly known as 6297782 LLC) OFFER TO EXCHANGE ANY AND ALL 4.911% SENIOR NOTES DUE 2027 ISSUED ON AUGUST 28, 2024 FOR A LIKE PRINCIPAL AMOUNT OF CORRESPONDING 4.911% SENIOR NOTES DUE 2027 WHICH HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED ANY AND ALL 5.026% SENIOR NOTES DUE 2029 ISSUED ON AUGUST 28, 2024 FOR A LIKE PRINCIPAL AMOU…

S-4 · 2025-06-20 · 0001193125-25-142932