Company: TCPA
Filing Date: 2025-10-08
Form Type: SUPPL
Source: 0001193125-25-233745
Chunk: 16

Company: TRANSCANADA PIPELINES LTD
Filing Date: 2025-10-08
Form: SUPPL
Chunk 16
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”) imposed by or on                        
 behalf of any Relevant Taxing Jurisdiction (as defined below) will not be less than the amount provided in those Notes to be then due and payable (and the Corporation will remit the full amount withheld to the relevant authority in accordance with 
 applicable law). See “Description of the Notes—Payment of Additional Amounts”.                                                                                                                                                                          |

| Form | The Notes will be represented by one or more fully registered global notes deposited in book-entry form with, or on behalf of, The Depository Trust Company, and registered in the name of its nominee. See “Description of the 
 Notes—Book-Entry System”. Except as described under “Description of the Notes”, Notes in certificated form will not be issued.                                                                                                  |

S-10

| Trustee, Paying Agent and Transfer Agent | Computershare Trust Company, N.A. |

| Governing Law | The Notes and the Indenture (as defined herein) will be governed by and construed in accordance with the laws of the State of New York. |

| Risk Factors | Investing in the Notes involves risks. See “Risk Factors” beginning on page S-13 of this prospectus supplement for a discussion of factors that you should refer to and carefully consider before deciding to invest in the 
 Notes.                                                                                                                                                                                                                      |

| Listing | The Notes are a new issue of securities with no established trading market. We will apply to list the Notes on the NYSE. Listing will be subject to us fulfilling all the listing requirements of the NYSE. If approved for listing, trading on the 
 NYSE is expected to commence within 30 days after the Notes are first issued.                                                                                                                                                                       |

| Trading | The Notes are expected to trade “flat”, meaning that purchasers will not pay and sellers will not receive any accrued and unpaid interest on the Notes that is not included in the trading price. |

| Certain Income Tax Considerations | For a discussion of material income tax considerations that may be relevant to an investment in the Notes, see “Certain Income Tax Considerations” in this prospectus supplement. |

| Conflicts of Interest | Proceeds from the sale of the Notes may be used to reduce indebtedness which we or our subsidiaries may have with subsidiaries or affiliates of the Underwriters or may be invested in short-term marketable                                
 debt instruments, including of or with the Underwriters or their affiliates. See “Use of Proceeds” in this prospectus supplement. As a result, one or more of such Underwriters or their affiliates may