Company: TCPA
Filing Date: 2025-02-20
Form Type: SUPPL
Source: 0001193125-25-030844
Chunk: 47

Company: TRANSCANADA PIPELINES LTD
Filing Date: 2025-02-20
Form: SUPPL
Chunk 47
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, if any, of these rules on
their ownership and disposition of the Notes and regarding their tax reporting obligations.

Backup Withholding and Information Reporting

In general, information reporting requirements will apply to payments of principal and interest and any accruals of OID on the
Notes and to the proceeds from the sale or other disposition (including a retirement or redemption) of a Note paid to a U.S. holder unless such U.S. holder is an exempt recipient and, when required, provides evidence of such exemption. Backup
withholding may apply to such payments, including payments of accrued OID, if the U.S. holder fails to provide a taxpayer identification number or a certification that it is not subject to backup withholding and otherwise comply with any applicable
requirements of the backup withholding rules.

Backup withholding is not an additional tax and any amounts withheld under the backup
withholding rules may be allowed as a refund or a credit against a U.S. holder’s U.S. federal income tax liability provided the required information is timely furnished to the IRS.

Prospective purchasers of Notes are urged to consult their own tax advisors regarding their qualification for an exemption from backup
withholding and information reporting and the procedures for obtaining such an exemption, if applicable.

Certain Canadian Income Tax Considerations

The following is, as of the date hereof, a general summary of the principal Canadian federal income tax considerations under the Tax
Act applicable to a purchaser of Notes as beneficial owner pursuant to the prospectus and this prospectus supplement who, at all relevant times, for purposes of the Tax Act and any applicable tax treaty or convention (i) is not resident or
deemed to be resident in Canada; (ii) deals at arm’s length with and is not affiliated with the Corporation, any of its affiliates or the Underwriters; (iii) deals at arm’s

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length with any transferee who is resident or deemed to be resident in Canada and to whom the purchaser assigns or otherwise transfers the Notes; (iv) is not a “specified shareholder” (as defined in subsection 18(5) of the Tax Act) of the Corporation or a person that does not deal at arm’s length with a specified shareholder of the Corporation; (v) is not an entity in respect of which the Corporation is a “specified entity” as defined in subsection 18.4(1) the Tax Act and is not a “specified entity” in respect of any transferee resident (or deemed to be resident) in Canada to whom the purchaser disposes