Company: TCPA
Filing Date: 2025-02-20
Form Type: SUPPL
Source: 0001193125-25-030844
Chunk: 2

Company: TRANSCANADA PIPELINES LTD
Filing Date: 2025-02-20
Form: SUPPL
Chunk 2
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. 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 or all 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 and that a substantial portion of our assets and all or a substantial portion of the assets of those officers, directors and experts are located outside of the U.S. NEITHER THE U.S. SECURITIES AND EXCHANGE COMMISSION (THE “SEC”) NOR ANY STATE SECURITIES COMMISSION OR SIMILAR AUTHORITY HAS APPROVED OR DISAPPROVED THESE SECURITIES OR PASSED UPON THE ADEQUACY OR ACCURACY OF THIS PROSPECTUS SUPPLEMENT OR THE PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

|          |     | Price to Public(1) |                  |     | Underwriting Commission(2) |                |     | Proceeds(3) |                  |
| Per Note |     |                    | 100.000%         |     |                            | 1.000%         |     |             | 99.000%          |
| Total    |     |                    | U.S.$750,000,000 |     |                            | U.S.$7,500,000 |     |             | U.S.$742,500,000 |

| (1) | The public offering price set forth above does not include accrued interest, if any. |

| (2) | The underwriting commission will be paid by the Corporation from the gross proceeds of the offering of Notes. |

| (3) | The offering expenses, other than the underwriting commission, are estimated to be U.S.$2,250,000, which will 
 be paid from our general funds.                                                                               |

The Notes will constitute a new issue of securities. There is no market through which Notes may be