Company: TCPA
Filing Date: 2025-10-06
Form Type: SUPPL
Source: 0001193125-25-231083
Chunk: 1

Company: TRANSCANADA PIPELINES LTD
Filing Date: 2025-10-06
Form: SUPPL
Chunk 1
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% of the principal amount thereof, together with accrued and unpaid interest to, but excluding, the date fixed for redemption. Prior to November 1, 2030, upon or following the occurrence of a Rating Event (as defined herein), we may, at our option, redeem all (but not less than all) of the Notes at a redemption price equal to 102% of the principal amount thereof, together with accrued and unpaid interest to, but excluding, the date fixed for redemption. See “ Description of the Notes”. Investing in the Notes involves risk. See “ Risk Factors ” beginning on page S-12of this prospectus supplement and beginning on page 31 of the accompanying prospectus. Under applicable Canadian securities legislation, we may be considered to be a connected issuer of Morgan Stanley & Co. LLC, BofA Securities, Inc., J.P. Morgan Securities LLC, RBC Capital Markets, LLC, and Wells Fargo Securities, LLC (collectively, the “Underwriters”), each of which is, directly or indirectly, a subsidiary or affiliate of one of our lenders to which we are currently indebted. In addition, certain of the Underwriters, or their subsidiaries or affiliates, may be holders of the Series 11 Preferred Shares (as defined herein), the redemption price for which we intend to fund from the net proceeds from the offering. See “ Underwriting ” and “ Use of Proceeds ” in this prospectus supplement. We are permitted, under the multijurisdictional disclosure system adopted by the United States (“U.S.”), to prepare this prospectus supplement and the accompanying prospectus in accordance with Canadian disclosure requirements. You should be aware that such requirements are different from those of the U.S. Financial statements incorporated by reference in the accompanying prospectus have been prepared in accordance with U.S. generally accepted accounting principles, which are referred to as “U.S. GAAP”. Owning the Notes may have tax consequences for you both in the U.S. and Canada. This prospectus supplement and the accompanying prospectus may not describe these tax consequences fully. You should read the tax discussion under “ Certain Income Tax Considerations ” in this prospectus supplement. Your ability to enforce civil liabilities under U.S. federal securities laws may be affected adversely by the fact that we are incorporated under the laws of Canada, that some of our officers and directors are residents of Canada, that some of the experts named in this prospectus supplement, the accompanying prospectus and the documents incorporated by reference in the accompanying prospectus are residents of Canada