Company: TCPA
Filing Date: 2025-02-20
Form Type: SUPPL
Source: 0001193125-25-030844
Chunk: 49

Company: TRANSCANADA PIPELINES LTD
Filing Date: 2025-02-20
Form: SUPPL
Chunk 49
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 Tax Act by a Non-ResidentHolder in respect of the acquisition, holding, redemption or disposition of a Note by the Non-ResidentHolder, or the receipt of interest, principal or premium thereon by the Non-ResidentHolder solely as a consequence of such acquisition, holding, redemption or disposition of a Note. UNDERWRITING Pursuant to an underwriting agreement (the“ Underwriting Agreement”) dated February 19, 2025 between us and the Underwriters, for whom Deutsche Bank Securities Inc., J.P. Morgan Securities LLC and SMBC Nikko Securities America, Inc. are acting as representatives, we have agreed to sell to the Underwriters, and the Underwriters have severally (and not jointly or jointly and severally) agreed to purchase from us, as principals, subject to the terms and conditions of the Underwriting Agreement, the following respective principal amounts of Notes listed opposite their names below.

| Underwriters                        |     | Principal Amount of Notes |             |
| Deutsche Bank Securities Inc.       |     | U.S.$                     | 135,000,000 |
| J.P. Morgan Securities LLC          |     | U.S.$                     | 116,250,000 |
| SMBC Nikko Securities America, Inc. |     | U.S.$                     | 116,250,000 |
| BofA Securities, Inc.               |     | U.S.$                     |  48,750,000 |
| Citigroup Global Markets Inc.       |     | U.S.$                     |  48,750,000 |

S-33

| Underwriters                  |     | Principal Amount of Notes |             |
| Mizuho Securities USA LLC     |     | U.S.$                     |  48,750,000 |
| MUFG Securities Americas Inc. |     | U.S.$                     |  48,750,000 |
| Truist Securities, Inc.       |     | U.S.$                     |  48,750,000 |
| Wells Fargo Securities, LLC   |     | U.S.$                     |  48,750,000 |
| Barclays Capital Inc.         |     | U.S.$                     |  22,500,000 |
| BBVA Securities Inc.          |     | U.S.$                     |  22,500,000 |
| Morgan Stanley & Co. LLC      |     | U.S.$                     |  22,500,000 |
| PNC Capital Markets LLC       |