Media Advisory: TransAlta Second Quarter 2017 Results and Conference Call

CALGARY, July 11, 2017

Please contact the conference operator five minutes prior to the call, noting "TransAlta Corporation" as the company and "Sally Taylor" as moderator.

Dial-in numbers – Q2 2017 Results:
Toll-free North American participants call: 1-888-231-8191
Outside of Canada & USA call: 1-647-427-7450

A link to the live webcast will be available on the Investor Centre section of TransAlta's website at http://www.transalta.com/investors/events-and-presentations. If you are unable to participate in the call, the instant replay is accessible at 1-855-859-2056 (Canada and USA toll free) with TransAlta pass code 53257141 followed by the # sign. A transcript of the broadcast will be posted on TransAlta's website once it becomes available.

About TransAlta
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 wind, hydro, solar, natural gas and coal facilities in order to provide customers with a reliable, low-cost source of power. For over 100 years, TransAlta has been a responsible operator and a proud contributor to the communities in which it works and lives. TransAlta has been recognized on CDP's Canadian Climate Disclosure Leadership Index (CDLI), which includes Canada's top 20 leading companies reporting on climate change, and has been selected by Corporate Knights as one of Canada's Top 50 Best Corporate Citizens and is recognized globally for its leadership on sustainability and corporate responsibility standards by FTSE4Good.

For more information about TransAlta, visit our web site at transalta.com, or follow us on Twitter @TransAlta.

SOURCE TransAlta Corporation