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(1) Gross margin and operating income are Additional IFRS measures. Refer to the Additional IFRS measures section of the MD&A.

(2) Comparable earnings, comparable earnings per share, comparable EBITDA, funds from operations, and funds from operations per share are not defined under IFRS. Refer to the Non-IFRS financial measures section of the MD&A for an explanation and, where applicable, reconciliations to net earnings(loss) attributable to common shareholders, operating income (loss) and cash flow from operating activities.

Dial-in numbers:

Toll-free North American participants call: 1-800-319-4610

Outside of Canada & USA call: 1-604-638-5340

A link to the live webcast will be available on the Investor Centre section of TransAlta's website at http://www.transalta.com/investor-centre/events-presentations/webcasts-conference-calls. If you are unable to participate in the call, the instant replay is accessible at 1-604-638-9010 with TransAlta pass code 2231 followed by the # sign. A transcript of the broadcast will be posted on TransAlta's website once it becomes available.

Note: If using a hands-free phone, lift the handset and press one to ask a question.

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 geothermal, wind, hydro, 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 selected by Jantzi-Sustainalytics as one of Canada's Top 50 Socially Responsible Companies since 2009 and is recognized globally for its leadership on sustainability and corporate responsibility standards by FTSE4Good. TransAlta is Canada's largest investor-owned renewable energy provider.

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.



Contacts:
TransAlta Corporation - Investor inquiries:
Brent Ward
Director, Corporate Finance and Investor Relations
Phone: 1-800-387-3598 in Canada and U.S.
[email protected]

TransAlta Corporation - Media inquiries:
Stacey Hatcher
Senior Corporate Relations Advisor
Cell: 587-216-2242
Toll-free media number: 1-855-255-9184
Alternate local number: 403-267-2540