TransAlta declares dividend

CALGARY, Alberta (Jan 29, 2010) – The Board of Directors of TransAlta Corporation (TSX: TA; NYSE: TAC) today declared a quarterly dividend of $0.29 per share on common shares payable April 1, 2010 to shareholders of record at the close of business March 1, 2010.

All currency is expressed in Canadian dollars except where noted.

TransAlta is a power generation and wholesale marketing company focused on creating long-term shareholder value. TransAlta maintains a low-to-moderate risk profile by operating a highly contracted portfolio of assets in Canada, the United States and Australia. TransAlta’s focus is to efficiently operate our biomass, geothermal, wind, hydro, natural gas and coal facilities in order to provide our customers with a reliable, low-cost source of power. For nearly 100 years, TransAlta has been a responsible operator and a proud contributor to the communities where we work and live. TransAlta is recognized for its leadership on sustainability by the Dow Jones Sustainability North America Index, the FTSE4Good Index and the Jantzi Social Index.

For more information:

Media Inquiries:

Michael Lawrence
Manager, External Relations
Phone: (403) 267-7330
Email: michael_lawrence@transalta.com

Investor Inquiries:

Jennifer Pierce
Vice President, Communications and Investor Relations
Phone: (403) 267-7622
Fax: (403) 267-2590
Email: investor_relations@transalta.com

Jess Nieukerk
Manager, Investor Relations
Phone: (403) 267-3607
Email: jess_nieukerk@transalta.com