Company: TSLTF
Filing Date: 2025-12-12
Form Type: SUPPL
Source: 0001193125-25-317786
Chunk: 426

Company: TRANSALTA CORP
Filing Date: 2025-12-12
Form: SUPPL
Chunk 426
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.sedarplus.ca.

MARKETING MATERIALS

Any “template version” of any “marketing materials” (as such terms are defined under applicable
Canadian securities laws) pertaining to a distribution of Securities will be filed on SEDAR+. In the event that such “marketing materials” are filed subsequent to the date of the filing of the applicable Prospectus Supplement pertaining
to the distribution of the Securities that such “marketing materials” relate to and prior to the termination of such distribution, such filed versions of the “marketing materials” will be deemed to be incorporated by
reference into this Prospectus for the purposes of the distribution of the Securities to which the applicable Prospectus Supplement pertains.

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SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Prospectus and the documents incorporated by reference herein contain forward-looking statements and forward-looking information within the meaning of
applicable securities legislation (collectively, “forward-looking statements”). All forward-looking statements are based on the Corporation’s beliefs as well as assumptions based on information available at the time the
assumption was made and on management’s experience and perception of historical trends, current conditions, results and expected future developments, as well as other factors deemed reasonable and appropriate in the circumstances.
Forward-looking statements are not facts, but only predictions and generally can be identified by the use of statements that include phrases such as “may”, “will”, “can”, “believe”,
“expect”, “anticipate”, “contemplate”, “estimate”, “propose”, “might”, “shall”, “project”, “should”, “could”,
“would”, “predict”, “forecast”, “pursue”, “capable”, “intend”, “plan”, “foresee”, “potential”, “enable”, “continue”
or other words or phrases of similar import. These statements are not guarantees of our future performance, events or results and are subject to known and unknown risks, uncertainties and other important factors, many of which are beyond the
Corporation’s control, that could cause our actual performance, events or results to differ materially from those expressed or implied in the forward-looking statements. In addition to the forward-looking statements contained in certain
documents incorporated by reference herein, this Prospectus contains, without limitation, forward-looking statements pertaining to certain terms of the Securities and any offering made under this Prospectus; and the transactions with Far North and PSE (each as defined herein), including expectations with respect to the timing thereof, approvals required in connection therewith and