TransAlta Declares Dividends

CALGARY, Alberta, July 29, 2026 (GLOBE NEWSWIRE) -- The Board of Directors of TransAlta Corporation (TSX: TA) (NYSE: TAC) declared a quarterly dividend of $0.07 per common share payable on Oct. 1, 2026, to shareholders of record at the close of business on Sept. 1, 2026.

The Board of Directors of TransAlta Corporation (TSX: TA) (NYSE: TAC) declared the following quarterly dividend on its Cumulative Redeemable Rate Reset First Preferred Shares for the period starting from and including June 30, 2026, up to but excluding Sept. 30, 2026:

* Please note the quarterly floating rate on the Series B and Series D Preferred Shares will be reset every quarter.

All currency is expressed in Canadian dollars (unless otherwise noted). When the dividend payment date falls on a weekend or holiday the payment is made the following business day.

About TransAlta Corporation:

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 115 years, our people have safely operated and evolved essential energy infrastructure that powers customers and communities. Our technology-diverse portfolio and disciplined execution allow us to deliver dependable power across evolving energy systems. We take a practical, responsible approach to meeting today’s energy needs while building for what comes next.

For more information about TransAlta, visit our web site at transalta.com.

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