Advisory: TransAlta first quarter 2013 results, conference call and Annual and Special Meeting of Shareholders

Advisory: TransAlta first quarter 2013 results, conference call and Annual and 
Special Meeting of Shareholders 
CALGARY, ALBERTA -- (Marketwired) -- 04/05/13 -- TransAlta
Corporation (TSX:TA) (NYSE:TAC) will release its first quarter 2013
results before market open on Tuesday, April 23, 2013.  
TransAlta will hold its Annual and Special Meeting of Shareholders
later that afternoon at 1:00 p.m. MT (3:00 p.m. ET) at the
Metropolitan Conference Centre - Grand Lecture Theatre, Calgary,
Alberta. The Annual and Special Meeting will be broadcast via webcast
and conference call. To access the broadcast, please visit http://www
ce-callsor use the dial-in information provided below. 
Dial-in number:  
Toll-free North American participants call: 1-888-396-8064 
Following the Annual and Special Meeting of Shareholders TransAlta
will hold a conference call and webcast to discuss the first quarter
2013 results with investors, analysts, members of the media and other
interested parties the same day beginning at 2:30 p.m. MT (4:30 p.m.
ET). The media will be invited to ask questions following investors
and analysts. 
Please contact the conference operator five minutes prior to the
call, noting "TransAlta Corporation" as the company and "Brent Ward"
as moderator. 
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
entre/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. 
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 custom
ers 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.
TransAlta Corporation - Investor inquiries:
Brent Ward
Director, Corporate Finance and Investor Relations
1-800-387-3598 in Canada and U.S. 
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
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