Company: TCPA
Filing Date: 2025-10-06
Form Type: SUPPL
Source: 0001193125-25-231083
Chunk: 121

Company: TRANSCANADA PIPELINES LTD
Filing Date: 2025-10-06
Form: SUPPL
Chunk 121
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 which prices
may vary as between purchasers and during the period of distribution. If the debt securities are offered on a non-fixed price basis, the underwriters’, dealers’ or agents’, as applicable,
compensation will be increased or decreased by the amount by which the aggregate price paid for the debt securities by the purchasers exceeds or is less than the gross proceeds paid by the underwriters, dealers or agents, as applicable, to us.

The prospectus supplement relating to a particular offering of debt securities will identify each underwriter, dealer or agent, as the case
may be, engaged by TCPL in connection with the offering and sale of the debt securities, and will also set forth the terms of the offering of such debt securities, including the type of debt security being offered, the public offering price
(or the manner of determination thereof if offered on a non-fixed price basis), the method of distribution of such debt securities, the proceeds to the Corporation, any underwriters’, dealers’
or agents’ fees, commissions or other items constituting underwriters’, dealers’ or agents’, as applicable, compensation and any concessions or discounts allowed or re-allowed or paid
by any underwriters, dealers or agents to others. Only underwriters, dealers or agents so named in the prospectus supplement are deemed to be underwriters, dealers or agents, as the case may be, in connection with the debt securities offered
thereby.

If underwriters purchase debt securities as principal, the debt securities will be acquired by the underwriters for their own
account and may be resold from time to time in one or more transactions, including negotiated transactions, at a fixed public offering price or at varying prices determined at the time of sale, as described in the applicable prospectus supplement.
The obligations of the underwriters to purchase those debt securities will be subject to certain conditions precedent, and the underwriters will be obligated to purchase all the debt securities offered by the prospectus supplement if any of such
debt securities are purchased. Any public offering price and any discounts or concessions allowed or re-allowed or paid may be changed from time to time. The prospectus supplement will also set forth the
intention of any underwriters, agents or dealers to engage in stabilizing, to

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syndicate short covering transactions or penalty bids, or to undertake any other transactions during the offering that may stabilize, maintain, or otherwise affect the debt securities’
price. Such transactions, if commenced, may be interrupted or discontinued at any time without notice. Any