TransAlta to present at Bear Stearns Global Credit Conference

May 17, 2006

CALGARY, Alberta (May 11, 2006) – Marvin Waiand, TransAlta Corporation’s (TSX:TA;NYSE:TAC) Vice-President and Treasurer, will be presenting at the 15th Annual Bear Stearns Global Credit Conference  on Tuesday, May 16, 2006 at approximately 9:45 a.m. Eastern Time (7:45 a.m. Mountain Time) in New York City, New York.

The presentation will not be webcast. However presentation slides will be available at the start of the presentation on TransAlta’s website at under Events and Presentations of the Investor Relations section of TransAlta’s website.

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, Mexico 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 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.

For more information:

Media Inquiries:

Sneh Seetal
Senior Advisor, Media Relations
Phone: (403) 267-7330

Investor Inquiries:

Jennifer Pierce
Director, Investor Relations
Phone: (403) 267-7622
Fax: (403) 267-2590