TransAlta announces close of sale on Mexican business

Oct 8, 2008

CALGARY, Alberta – TransAlta Corporation (TSX: TA; NYSE: TAC) today announced the successful completion of the sale of its Mexican business to InterGen, for a sale price of USD$303.5 million. The sale is accretive to earnings.

“We’re pleased to have closed this transaction,” said Steve Snyder, President and CEO, TransAlta Corporation. “We have had excellent cooperation from InterGen to ensure a smooth transition for our customers and the employees who will be transferring with the business.  The completion of this transaction is consistent with TransAlta’s business strategy to focus on core markets in the western U.S. and Canada and to ensure all our assets are achieving their financial targets.”

The sale included a 252 megawatt (MW) gas/diesel combined cycle gas plant in Campeche, a 259 MW combined cycle gas plant in Chihuahua and all associated commercial arrangements. InterGen will retain all of TransAlta Mexico S.A. de C.V.’s assets, ensuring continued delivery of power under long-term contract to the Comisión Federal de Electricidad (CFE).

It is TransAlta’s present intention to use up to CDN$200 million of the sale proceeds for share buyback under its normal course issuer bid which expires on May 5, 2009. The balance of the sale proceeds will be utilized both within the business and to fund TransAlta’s renewable growth program.

TransAlta is a power generation and wholesale marketing company focused on creating long-term shareholder value. We maintain a low-risk profile by operating a highly contracted portfolio of assets in Canada, the United States and Australia. Our focus is to efficiently operate our coal-fired, gas-fired, hydro and renewable facilities in order to provide our customers with a reliable, low-cost source of power. For nearly 100 years, we’ve been a responsible operator and a proud contributor to the communities where we work and live.

This news release may contain forward-looking statements, including statements regarding the business and anticipated financial performance of TransAlta Corporation. These statements are based on TransAlta Corporation’s belief and assumptions based on information available at the time the assumption was made. These statements are subject to a number of risks and uncertainties that may cause actual results to differ materially from those contemplated by the forward-looking statements. Some of the factors that could cause such differences include legislative or regulatory developments, competition, global capital markets activity, changes in prevailing interest rates, currency exchange rates, inflation levels and general economic conditions in geographic areas where TransAlta Corporation operates.

Note: All financial figures are in Canadian dollars unless noted otherwise.

For more information:

Media Inquiries:

Michael Lawrence
Manager, External Relations
Phone: (403) 267-7330

Investor Inquiries:

Jennifer Pierce
Vice President, Communications and Investor Relations
Phone: (403) 267-7622
Fax: (403) 267-2590

Jess Nieukerk
Manager, Investor Relations
Phone: (403) 267-3607