Company: TSLTF
Filing Date: 2025-12-12
Form Type: SUPPL
Source: 0001193125-25-317786
Chunk: 10

Company: TRANSALTA CORP
Filing Date: 2025-12-12
Form: SUPPL
Chunk 10
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 Securities Administrators, including any documents of the type referred to above or under “ Documents Incorporated by Reference” in the Prospectus, material change reports (excluding confidential material change reports) and business acquisition reports we subsequently file with any securities commissions or similar authorities in Canada after the date of this Prospectus Supplement and prior to the termination of any offering of the Notes under this Prospectus Supplement shall be deemed to be incorporated by reference into the Prospectus. These documents are available through the internet on SEDAR+, which can be accessed at www.sedarplus.ca . In addition, any similar documents we file with, or furnish to, the SEC pursuant to Section 13(a), 13(c) or 15(d) of the U.S. Exchange Act on or after the date of this Prospectus Supplement and prior to the termination of this distribution of Notes, shall be deemed to be incorporated by reference into the Prospectus and the registration statement on Form F-10of which this Prospectus Supplement and the Prospectus form a part, if and to the extent expressly provided in such report, except that any report on Form 6-Kshall be incorporated only to the extent expressly provided in such report. To the extent that any document incorporated by reference into the Prospectus is included in a report that is filed with or furnished to the SEC by us on Form 40-F, 20-F, 10-K, 10-Q, 8-Kor 6-K(or any respective successor form), such document shall also be deemed to be incorporated by reference as an exhibit to the registration statement on Form F-10of which this Prospectus Supplement and the Prospectus form a part. Our reports on Form 6-K,and our annual reports on Form 40-F,are available on the SEC’s website at www.sec.gov . Any statement contained in this Prospectus Supplement, the Prospectus, or in a document incorporated or deemed to be incorporated by reference therein, shall be deemed to be modified or superseded for the purposes of this Prospectus Supplement to the extent that a statement contained herein or therein or in any other subsequently filed document that also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 has modified or superseded a prior statement or include any other information set forth in the document that it modifies or supersedes.The making of a modifying or superseding statement is not to be deemed an admission for any purposes that the modified or superseded statement, when made,