Company: TCPA
Filing Date: 2025-10-06
Form Type: SUPPL
Source: 0001193125-25-231083
Chunk: 100

Company: TRANSCANADA PIPELINES LTD
Filing Date: 2025-10-06
Form: SUPPL
Chunk 100
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 the Corporation within 90 days, the Corporation will issue the applicable debt securities in definitive
form in exchange for the applicable U.S. Registered Global Security. In addition, the Corporation may at any time and in its sole discretion determine not to have any of the debt securities of a series issued under a U.S. Indenture represented by
one or more U.S. Registered Global Securities and, in such event, the Corporation will issue debt securities of such series in definitive form in exchange for the U.S. Registered Global Security or U.S. Registered Global Securities representing such
debt securities. In either instance, an owner of a beneficial interest in a U.S. Registered Global Security will be entitled to have debt securities equal in principal amount to such beneficial interest registered in its name and will be entitled to
physical delivery of such debt securities in definitive form.

17

Certain Definitions

Set forth below is a summary of certain of the defined terms used in the U.S. Indentures. Reference should be made to the U.S. Indentures for
the full definition of each such term:

“Canadian Trust Indenture” means the trust indenture dated as of June 15, 1970,
as amended and supplemented from time to time, between the Corporation and Computershare Trust Company of Canada, as trustee, relating to the issue of unsecured debentures.

“Designated Subsidiary” means: (a) any subsidiary which (i) is engaged in or proposes to engage in the business of
producing, gathering, processing, storing, manufacturing, compressing, liquefying, selling, transporting, transmitting, distributing or supplying natural, manufactured or mixed gas or extracts therefrom, in gaseous, liquefied or other form, for
light, heat, cold, fuel or other purposes, or in the business of acquiring, owning, exploring, developing, dealing in, selling or otherwise disposing of oil or gas, or any products thereof, or oil or gas properties and interests therein; and
(ii) shall have been designated by the board of directors of the Corporation as a “restricted subsidiary” under the Deed of Trust and Mortgage dated as of January 1, 1957, as amended and supplemented from time to time, on or
prior to the date such subsidiary became a subsidiary or, in the case of a corporation which was a subsidiary at March 1, 1964, on or prior to the first date thereafter on which the Corporation shall make an additional