An anonymous director reports

TRANSALTA TO HOST THIRD QUARTER 2026 RESULTS CONFERENCE CALL

TransAlta Corp. will release its third quarter 2026 results before markets open on Tuesday, Nov. 3, 2026. A conference call and webcast to discuss the results will be held for investors, analysts, members of the media and other interested parties the same day beginning at 9 a.m. Alberta time (10 a.m. Eastern Time).

To access the conference call by telephone, please register on-line ahead of time. Once registered, participants will have the option of: (1) dialling into the call from their phone (through a personalized PIN (personal identification number)); or (2) clicking the "Call Me" option to receive an automated call directly to their phones.

Related materials will be available on the investor section of TransAlta's website. If you are unable to participate in the call, the replay will be accessible on-line. A transcript of the broadcast will be posted on TransAlta's website once it becomes available.

About TransAlta Corp.

TransAlta is one of Canada's largest publicly traded power generators, delivering reliable electricity across Canada, the United States and Western Australia. For more than 100 years, TransAlta's people have safely operated and evolved essential energy infrastructure that powers customers and communities. TransAlta's technology-diverse portfolio and disciplined execution allow the company to deliver dependable power across evolving energy systems. TransAlta takes a practical, responsible approach to meeting today's energy needs while building for what comes next.