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

Company: TRANSCANADA PIPELINES LTD
Filing Date: 2025-10-06
Form: SUPPL
Chunk 10
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. See “ Exemptive Relief” in the prospectus. Accordingly, we incorporate by reference in the prospectus the documents of TCE listed below, which were filed with the securities commission or other similar authority in each of the provinces and territories of Canada and with the SEC:

This prospectus supplement is deemed to be incorporated by reference into the prospectus solely for the purposes of the offering of Notes. Any documents of the type referred to above, including all annual information forms, management information circulars, annual and interim financial statements and management’s discussion and analysis relating thereto, material change reports (excluding confidential material change reports), press releases containing financial information for financial periods more recent than the most recent annual or interim financial statements, and any business acquisition reports, as well as all prospectus supplements disclosing additional or updated information relating to the offering of Notes subsequently filed by TCE or the Corporation with securities regulatory authorities in Canada after the date of this prospectus supplement and prior to the completion of the offering of Notes shall be deemed to be incorporated by reference into the prospectus. These documents will be available through the internet on the System for Electronic Data Analysis and Retrieval+ (“ SEDAR+”) at www.sedarplus.ca. In addition, any similar documents TCE files with, or furnishes to, the SEC in its periodic reports on Form 6-Kor annual reports on Form 40-F,and any other documents filed with, or furnished to, the SEC pursuant to Section 13(a), 13(c) or 15(d) of the Exchange Act, in each case after the date of this prospectus supplement and prior to the termination of the offering of Notes, shall be deemed to be incorporated by reference into the registration statement of which this prospectus supplement forms a part, if and to the extent expressly provided in such reports. TCE’s periodic reports on Form 6-Kand its annual reports on Form 40-Fare available on EDGAR at www.sec.gov. Any statement contained in this prospectus supplement or in the prospectus, or in any other document (or part thereof) incorporated, or deemed to be incorporated, by reference therein, shall be deemed to be modified or superseded, for the purposes of this prospectus supplement, to the extent that a S-5

statement contained herein or therein, or in any other subsequently filed document which also is, or is deemed to be, incorporated by reference therein, modifies or supersedes such statement. The modifying or superseding statement need not state that it