Company: TCPA
Filing Date: 2025-10-06
Form Type: SUPPL
Source: 0001193125-25-231083
Chunk: 7

Company: TRANSCANADA PIPELINES LTD
Filing Date: 2025-10-06
Form: SUPPL
Chunk 7
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 Use of Proceeds”and “ Underwriting” .Forward-looking information in the documents incorporated by reference in the prospectus may include, but is not limited to, statements regarding:

| • |     | the application for, and anticipated listing of, the Notes on the NYSE and the manner in which the Notes will 
 trade thereon;                                                                                                |

| • |     | our financial and operational performance, including the performance of our subsidiaries; |

| • |     | expectations about strategies and goals for growth and expansion, including acquisitions; |

| • |     | expected cash flows and future financing options available along with portfolio management; |

| • |     | expectations regarding the size, structure, timing, conditions and outcome of ongoing and future transactions; |

| • |     | expected dividend growth; |

| • |     | expected access to and cost of capital; |

| • |     | expected energy demand levels; |

| • |     | expected costs and schedules for planned projects, including projects under construction and in development; |

| • |     | expected capital expenditures, contractual obligations, commitments and contingent liabilities, including 
 environmental remediation costs;                                                                          |

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| • |     | expected regulatory processes and outcomes; |

| • |     | expected outcomes with respect to legal proceedings, including arbitration and insurance claims; |

| • |     | expected impact of future tax and accounting changes; |

| • |     | commitments and targets contained in our Report on Sustainability and GHG Emissions Reduction Plan, including 
 statements related to our GHG emissions intensity reduction goals; and                                        |

| • |     | expected industry, market and economic conditions, and ongoing trade negotiations, including their impact on our 
 customers and suppliers.                                                                                         |

This forward-looking information reflects our beliefs and assumptions based on information available at the time the information was stated and, as such, is not a guarantee of future performance. By its nature, forward-looking information is subject to various assumptions, risks and uncertainties which could cause our actual results and achievements to differ materially from the anticipated results or expectations expressed or implied in such information. Key assumptions on which our forward-looking information is based include, but are not limited to, assumptions about:

| • |     | the listing of the Notes on the NYSE on the anticipated timing and on customary conditions and the trading of the 
 Notes thereon in accordance with current expectations;                                                            |

| • |     | realization of expected impacts from acquisitions and divestitures, including the spinoff transaction involving 
 T