<SEC-DOCUMENT>0001104659-11-048737.txt : 20110825
<SEC-HEADER>0001104659-11-048737.hdr.sgml : 20110825
<ACCEPTANCE-DATETIME>20110825160501
ACCESSION NUMBER:		0001104659-11-048737
CONFORMED SUBMISSION TYPE:	40-F/A
PUBLIC DOCUMENT COUNT:		6
CONFORMED PERIOD OF REPORT:	20101231
FILED AS OF DATE:		20110825
DATE AS OF CHANGE:		20110825

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TRANSALTA CORP
		CENTRAL INDEX KEY:			0001144800
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		40-F/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15214
		FILM NUMBER:		111056717

	BUSINESS ADDRESS:	
		STREET 1:		110 12TH AVE SW BOX 1900 STATION M
		STREET 2:		CALGARY ALBERTA T2P 2MI
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P2M1
		BUSINESS PHONE:		2128948400

	MAIL ADDRESS:	
		STREET 1:		110-12TH AVENUE SW
		CITY:			CALGARY ALBERTA CANADA
		STATE:			A0
		ZIP:			T2P2M1
</SEC-HEADER>
<DOCUMENT>
<TYPE>40-F/A
<SEQUENCE>1
<FILENAME>a11-24647_140fa.htm
<DESCRIPTION>40-F/A
<TEXT>


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<p style="margin:0in 0in .0001pt;"><b><i><font size="2" face="Times New Roman" style="font-size:11.0pt;font-style:italic;font-weight:bold;">&nbsp;</font></i></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">UNITED STATES</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">Washington, D.C. 20549</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">Amendment No. 1 </font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">on</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">FORM&nbsp;40-F/A </font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&#160;[Check one]</font></p>
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<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><b><font size="2" face="Wingdings" style="font-size:11.0pt;font-weight:bold;">o</font></b></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">REGISTRATION STATEMENT   PURSUANT TO SECTION&nbsp;12 OF THE SECURITIES EXCHANGE ACT OF 1934</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><b><font size="1" face="Wingdings" style="font-size:6.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:6.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt 29.5pt;text-align:center;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">OR</font></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt 29.5pt;text-align:center;text-indent:-10.0pt;"><font size="1" face="Times New Roman" style="font-size:6.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><b><font size="2" face="Wingdings" style="font-size:11.0pt;font-weight:bold;">x</font></b></p>    </td>
<td width="96%" valign="top" style="padding:0in 0in 0in 0in;width:96.08%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">ANNUAL REPORT PURSUANT   TO SECTION&nbsp;13(a)&nbsp;OR 15(d)&nbsp;OF THE SECURITIES EXCHANGE ACT OF   1934</font></p>    </td>   </tr>  </table>
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<p style="margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">For the fiscal year ended &nbsp;&nbsp;&nbsp;&nbsp;December&nbsp;31, 2010&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#160;&#160;&#160;&#160;&#160; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Commission file number&nbsp;&nbsp;&nbsp;&nbsp;001-15214</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">TRANSALTA CORPORATION</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">(Exact name of Registrant as specified in its charter)</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">Not applicable</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">(Translation of Registrant&#146;s name into English (if applicable))</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">Canada</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">(Province or other jurisdiction of incorporation or organization)</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">4911</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">(Primary Standard Industrial Classification Code Number (if applicable))</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">Not Applicable</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">(I.R.S Employer Identification Number (if applicable))</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">110-12</font></b><b><font size="1" face="Times New Roman" style="font-size:7.0pt;font-weight:bold;position:relative;top:-3.0pt;">th</font></b><b><font size="2" style="font-size:11.0pt;font-weight:bold;">&#160;Avenue S.W., Box 1900, Station &#147;M&#148;,</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">Calgary, Alberta, Canada, T2P 2M1,</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">(403) 267-7110</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">(Address and telephone number of Registrant&#146;s principal executive offices)</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">CT Corporation System, 111 8</font></b><b><font size="1" face="Times New Roman" style="font-size:7.0pt;font-weight:bold;position:relative;top:-3.0pt;">th</font></b><b><font size="2" style="font-size:11.0pt;font-weight:bold;">&#160;Avenue, 13</font></b><b><font size="1" face="Times New Roman" style="font-size:7.0pt;font-weight:bold;position:relative;top:-3.0pt;">th</font></b><b><font size="2" style="font-size:11.0pt;font-weight:bold;">&#160;Floor,</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">New York, New York, 10011, (212) 894-8400</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">(Name, address (including zip code) and telephone number (including area code)</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">of agent for service in the United States)</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Securities registered or to be registered pursuant to Section&nbsp;12(b)&nbsp;of the Act:</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Title of each class</font></p>    </td>
<td width="50%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Name of each exchange</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">on which registered</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:6.0pt;">&nbsp;</font></p>    </td>
<td width="29%" valign="top" style="padding:0in 0in 0in 0in;width:29.34%;">
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:6.0pt;">&nbsp;</font></p>    </td>
<td width="34%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:34.42%;">
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:6.0pt;">&nbsp;</font></p>    </td>
<td width="15%" valign="top" style="padding:0in 0in 0in 0in;width:15.58%;">
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:6.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:6.0pt;">&nbsp;</font></p>    </td>
<td width="50%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:6.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Common Shares, no par   value</font></p>    </td>
<td width="50%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">New York Stock Exchange</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:6.0pt;">&nbsp;</font></p>    </td>
<td width="50%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:6.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Common Share Purchase Rights</font></p>    </td>
<td width="50%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">New York Stock Exchange</font></p>    </td>   </tr>
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<td width="155" style="border:none;"></td>
<td width="219" style="border:none;"></td>
<td width="257" style="border:none;"></td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Securities registered or to be registered pursuant to Section&nbsp;12(g)&nbsp;of the Act:</font></p>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:8.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">None</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">(Title of Class)</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Securities for which there is a reporting obligation pursuant to Section&nbsp;15(d)&nbsp;of the Act:</font></p>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:8.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">None</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">(Title of Class)</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.25in;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">For annual reports, indicate by check mark the information filed with this form:</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.25in;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Wingdings" style="font-size:11.0pt;font-weight:bold;">x</font></b><font size="2" style="font-size:11.0pt;">Annual information form&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><b><font size="2" face="Wingdings" style="font-size:11.0pt;font-weight:bold;">x</font></b><b><font size="2" style="font-size:11.0pt;font-weight:bold;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></b><font size="2" style="font-size:11.0pt;">Audited annual financial statements</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">2<a name="PB_2_072206_7056"></a></font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Indicate the number of outstanding shares of each of the issuer&#146;s classes of capital or common stock as of the close of the period covered by the annual report:</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">At December&nbsp;31, 2010, 220,343,708 common shares were issued and outstanding.</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Indicate by check mark whether the Registrant by filing the information contained in this Form&nbsp;is also thereby furnishing the information to the Commission pursuant to Rule&nbsp;12g3-2(b)&nbsp;under the Securities Exchange Act of 1934 (the &#147;Exchange Act&#148;). If &#147;Yes&#148; is marked, indicate the file number assigned to the Registrant in connection with such Rule.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:27.35pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Yes <b>&#160;</b></font><b><font size="2" face="Wingdings" style="font-size:11.0pt;font-weight:bold;">o</font></b><b><font size="2" style="font-size:11.0pt;font-weight:bold;">&#160;&#160;&#160; </font></b><font size="2" style="font-size:11.0pt;">82-______No&#160; </font><b><font size="2" face="Wingdings" style="font-size:11.0pt;font-weight:bold;">x</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Indicate by check mark whether the Registrant (1)&nbsp;has filed all reports required to be filed by Section&nbsp;13 or 15(d)&nbsp;of the Exchange Act during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports) and (2)&nbsp;has been subject to such filing requirements for the past 90 days.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:27.0pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Yes&#160; </font><b><font size="2" face="Wingdings" style="font-size:11.0pt;font-weight:bold;">x</font></b><font size="2" style="font-size:11.0pt;">No&#160; </font><b><font size="2" face="Wingdings" style="font-size:11.0pt;font-weight:bold;">o</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule&nbsp;405 of Regulation S-T (&#167;232.405 of this chapter) during the preceding 12 months (or for such shorter period that the Registrant was required to submit and post such files).</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:27.0pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Yes&#160; </font><b><font size="2" face="Wingdings" style="font-size:11.0pt;font-weight:bold;">x</font></b><font size="2" style="font-size:11.0pt;">No&#160; </font><b><font size="2" face="Wingdings" style="font-size:11.0pt;font-weight:bold;">o</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">EXPLANATORY NOTE</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This Form 40-F/A is being filed solely to make the following two amendments to our Form 40-F filed on February 24, 2011 (the &#147;Form 40-F&#148;): (1) to file corrected Certifications of Chief Executive Officer and Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, as Exhibits 32.1 and 32.2 hereto, respectively, and (2) to refer to this Form 40-F/A rather than the Form 40-F where appropriate.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">INCORPORATION BY REFERENCE</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;page-break-after:avoid;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">The documents forming part of this Form&nbsp;40-F/A are incorporated by reference into the following registration statements under the Securities Act of 1933, as amended.</font></p>
<p style="margin:0in 0in .0001pt;page-break-after:avoid;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="30%" style="border-collapse:collapse;margin-left:.5in;width:30.58%;">
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<td width="38%" valign="top" style="padding:0in 0in 0in 0in;width:38.7%;">
<p style="margin:0in 0in .0001pt;"><u><font size="2" face="Times New Roman" style="font-size:11.0pt;">Form</font></u></p>    </td>
<td width="61%" valign="top" style="padding:0in 0in 0in 0in;width:61.3%;">
<p style="margin:0in 0in .0001pt;"><u><font size="2" face="Times New Roman" style="font-size:11.0pt;">Registration No.</font></u></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">S-8</font></p>    </td>
<td width="61%" valign="top" style="padding:0in 0in 0in 0in;width:61.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">333-72454</font></p>    </td>   </tr>
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<td width="38%" valign="top" style="padding:0in 0in 0in 0in;width:38.7%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">S-8</font></p>    </td>
<td width="61%" valign="top" style="padding:0in 0in 0in 0in;width:61.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">333-101470</font></p>    </td>   </tr>
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<td width="38%" valign="top" style="padding:0in 0in 0in 0in;width:38.7%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">F-10</font></p>    </td>
<td width="61%" valign="top" style="padding:0in 0in 0in 0in;width:61.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">333-162418</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">F-10</font></p>    </td>
<td width="61%" valign="top" style="padding:0in 0in 0in 0in;width:61.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">333-170465</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">CONSOLIDATED AUDITED ANNUAL FINANCIAL STATEMENTS</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">AND MANAGEMENT&#146;S DISCUSSION&nbsp;&amp; ANALYSIS</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 45.0pt;text-indent:-45.0pt;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">A. Consolidated Audited Annual Financial Statements</font></b></p>
<p style="margin:0in 0in .0001pt 45.0pt;text-indent:-45.0pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">For consolidated audited annual financial statements, including the report of independent chartered accountants with respect thereto, see Exhibit&nbsp;13.3 incorporated by reference herein.&#160; For the related supplementary note entitled &#147;Reconciliation to United States Generally Accepted Accounting Principles&#148; containing a reconciliation of the important differences between Canadian and United States generally accepted accounting principles, see Exhibit&nbsp;13.4 incorporated by reference herein.</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">3<a name="PB_3_072334_5335"></a></font></p>
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<p style="margin:0in 0in .0001pt 45.0pt;text-indent:-45.0pt;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">B. Management&#146;s Discussion and Analysis</font></b></p>
<p style="margin:0in 0in .0001pt 45.0pt;text-indent:-45.0pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">For management&#146;s discussion and analysis, see Exhibit&nbsp;13.2 incorporated by reference herein.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">DISCLOSURE CONTROLS AND PROCEDURES</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">As required by Rule&nbsp;13a-15 under the Securities Exchange Act of 1934, management has evaluated, with the participation of our Chief Executive Officer and Chief Financial Officer, the effectiveness of our disclosure controls and procedures as of the end of the period covered by this report.&#160; Disclosure controls and procedures refer to controls and other procedures designed to ensure that information required to be disclosed in the reports we file or submit under the Exchange Act are recorded, processed, summarized and reported, within the time periods specified in the rules&nbsp;and forms of the Securities and Exchange Commission.&#160; Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by us in our reports that we file or submit under the Exchange Act is accumulated and communicated to management, including our Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding our required disclosure.&#160; In designing and evaluating our disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and management was required to apply its judgment in evaluating and implementing possible controls and procedures.&#160; Based on the foregoing evaluation, our Chief Executive Officer and Chief Financial Officer have concluded that, as of December&nbsp;31, 2010, the end of the period covered by this report, our disclosure controls and procedures were effective at a reasonable assurance level.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">MANAGEMENT&#146;S ANNUAL REPORT ON INTERNAL CONTROL</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">OVER FINANCIAL REPORTING</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Management is responsible for establishing and maintaining adequate internal control over financial reporting.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Internal control over financial reporting refers to a process designed by, or under the supervision of, our Chief Executive Officer and Chief Financial Officer and effected by our board of directors, management and other personnel, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles and includes those policies and procedures that:</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
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<td width="2%" valign="top" style="padding:0in 0in 0in 0in;width:2.84%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Symbol" style="font-size:10.0pt;">&#183;</font></p>    </td>
<td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.86%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">pertain to the   maintenance of records that in reasonable detail accurately and fairly   reflect the transactions and dispositions of our assets;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.86%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Symbol" style="font-size:10.0pt;">&#183;</font></p>    </td>
<td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.86%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">provide   reasonable assurance that transactions are recorded as necessary to permit   preparation of financial statements in accordance with generally accepted   accounting principles, and that our receipts and expenditures are being made   only in accordance with authorizations of our management and members of our board   of directors; and</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.86%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Symbol" style="font-size:10.0pt;">&#183;</font></p>    </td>
<td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.3%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.86%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">provide   reasonable assurance regarding prevention or timely detection of unauthorized   acquisition, use, or disposition of our assets that could have a material   effect on our financial statements.</font></p>    </td>   </tr>  </table>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">4<a name="PB_4_072417_5796"></a></font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Management evaluated the effectiveness of our internal control over financial reporting as of December&nbsp;31, 2010 using the framework set forth in the report of the Treadway Commission&#146;s Committee of Sponsoring Organizations (COSO), &#147;Internal Control &#151; Integrated Framework.&#148;&#160; Management has concluded that our internal control over financial reporting was effective as of December&nbsp;31, 2010.&#160; Certain matters relating to the scope of management&#146;s evaluation and limitations of management&#146;s conclusions are described below.&#160; See &#147;Limitations and Scope of Management&#146;s Report on Internal Control over Financial Reporting.&#148;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Our independent registered public accounting firm, Ernst&nbsp;&amp; Young LLP, has issued an attestation report on the effectiveness of our internal control over financial reporting as of December&nbsp;31, 2010.&#160; For Ernst&nbsp;&amp; Young LLP&#146;s report see page&nbsp;3 of the Consolidated Annual Financial Statements for the year ended December&nbsp;31, 2010 filed as Exhibit&nbsp;13.3 and incorporated by reference herein, under the heading &#147;Independent Auditors&#146; Report on Internal Controls Under Standards of the Public Company Accounting Oversight Board (United States)&#148;.</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">There has been no change in the internal control over financial reporting during the year covered by this report that has materially affected, or is reasonably likely to materially affect, the Company&#146;s internal control over financial reporting.</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">LIMITATIONS AND SCOPE OF MANAGEMENT&#146;S</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Internal control over financial reporting cannot provide absolute assurance of achieving financial reporting objectives because of its inherent limitations.&#160; Internal control over financial reporting is a process that involves human diligence and compliance and is subject to lapses in judgment and breakdowns resulting from human failures.&#160; Internal control over financial reporting also can be circumvented by collusion or improper override.&#160; Because of such limitations, there is a risk that material misstatements may not be prevented or detected on a timely basis by internal control over financial reporting.&#160; However, these inherent limitations are known features of the financial reporting process, and it is possible to design into the process safeguards to reduce, though not eliminate, this risk.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Management has not evaluated the internal controls of the Sheerness, Wailuku, CE Generation and Genesee 3 joint ventures (collectively, the &#147;Excluded Entities&#148;), in accordance with Frequently Asked Questions Nos. 1 and 15 of &#147;Management&#146;s Report on Internal Control Over Financial Reporting and Certification of Disclosure in Exchange Act Periodic Reports,&#148; of the Office of the Chief Accountant of the Division of Corporation Finance of the Securities and Exchange Commission (revised September&nbsp;24, 2007) (the &#147;FAQ&#148;).&#160; Accordingly, management&#146;s evaluation of </font><font size="2" style="font-size:11.0pt;">the Company&#146;s internal control over financial reporting did not include an evaluation of the internal controls of any of the Excluded Entities, and management&#146;s conclusion regarding the effectiveness of the Company&#146;s internal control over financial reporting does not extend to the internal controls of any of the Excluded Entities.</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Proportionate consolidation of the Excluded Entities contributes to the Company&#146;s financial statements as of and for the year ended December&nbsp;31, 2010 in the amount of $1,454 million of the Company&#146;s total assets, $804 million of net assets, $344 million of revenues and $64 million of net earnings.&#160; The Company&#146;s financial statements include the accounts of the Excluded Entities, accounted for via proportionate consolidation, in accordance with EITF 00-1, but management has been unable to assess the effectiveness of internal controls at the Excluded Entities because the Company does not have the ability to dictate or modify the controls of the Excluded Entities and does not have the ability, in practice, to assess those controls.</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">5<a name="PB_5_072435_2897"></a></font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">AUDIT COMMITTEE FINANCIAL EXPERT</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">The Registrant&#146;s board of directors has determined that it has at least one audit committee financial expert serving on its Audit and Risk Committee (the &#147;ARC&#148;).&#160; Mr.&nbsp;William D. Anderson has been determined to be an audit committee financial expert, within the meaning of Section&nbsp;407 of the United States Sarbanes-Oxley Act of 2002 (&#147;Sarbanes-Oxley&#148;), and is independent, as that term is defined by the New York Stock Exchange&#146;s (&#147;NYSE&#148;) listing standards applicable to the Registrant.&#160; Each of Mr.&nbsp;Gordon S. Lackenbauer and Mrs.&nbsp;Karen E. Maidment has also been determined to be an audit committee financial expert for purposes of Section&nbsp;407 of Sarbanes-Oxley and independent under the applicable NYSE listing standards.&#160; Under Securities and Exchange Commission rules&nbsp;the designation of persons as audit committee financial experts does not make them &#147;experts&#148; for any other purpose, impose any duties, obligations or liability on them that are greater than those imposed on members of their committee and the board of directors who do not carry this designation or affect the duties, obligations or liability of any other member of their committee.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">CODE OF ETHICS</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">The Registrant has adopted a code of ethics as part of its &#147;Corporate Code of Conduct&#148; that applies to all employees and officers which has been filed with the Securities and Exchange Commission.&#160; In addition, the Registrant has adopted a code of conduct applicable to all directors of the Company and a separate financial code of conduct which applies to all financial management employees.&#160; The Registrant&#146;s Corporate Codes of Conduct are available on its Internet website at <u>www.transalta.com</u>.&#160; There has been no waiver of the codes granted during the 2010 fiscal year.</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">6<a name="PB_6_072448_3020"></a></font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="3" face="Times New Roman" style="font-size:12.0pt;">&nbsp;</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">PRINCIPAL ACCOUNTANT FEES AND SERVICES</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">For the years ended December&nbsp;31, 2010 and December&nbsp;31, 2009, Ernst&nbsp;&amp; Young LLP and its affiliates were paid $3,499,254 and $3,562,032 respectively, as detailed below:</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt 1.45pt;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">Ernst&nbsp;&amp;   Young LLP</font></b></p>    </td>
<td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="25%" colspan="3" valign="bottom" style="padding:0in 0in 0in 0in;width:25.02%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="25%" colspan="3" valign="bottom" style="padding:0in 0in 0in 0in;width:25.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="0%" valign="bottom" style="padding:0in 0in 0in 0in;width:.98%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="3" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:2.5%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="25%" colspan="3" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:25.02%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:2.5%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="25%" colspan="3" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:25.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="0%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:.98%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="3" face="Times New Roman" style="font-size:12.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:2.0pt 0in .0001pt 1.45pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Year&nbsp;Ended&nbsp;Dec.&nbsp;31</font></p>    </td>
<td width="2%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:2.5%;">
<p align="center" style="margin:2.0pt 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="25%" colspan="3" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:25.02%;">
<p align="center" style="margin:2.0pt 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">2010</font></b></p>    </td>
<td width="2%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:2.5%;">
<p align="center" style="margin:2.0pt 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="25%" colspan="3" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:25.0%;">
<p align="center" style="margin:2.0pt 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">2009</font></b></p>    </td>
<td width="0%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:.98%;">
<p align="center" style="margin:2.0pt 0in .0001pt;text-align:center;"><font size="3" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
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<td width="44%" valign="bottom" style="border:none;padding:0in 0in 0in 0in;width:44.0%;">
<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="2%" valign="bottom" style="border:none;padding:0in 0in 0in 0in;width:2.5%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="17%" colspan="2" valign="bottom" style="border:none;padding:0in 0in 0in 0in;width:17.96%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="7%" valign="bottom" style="border:none;padding:0in 0in 0in 0in;width:7.06%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="border:none;padding:0in 0in 0in 0in;width:2.5%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="25%" colspan="3" valign="bottom" style="border:none;padding:0in 0in 0in 0in;width:25.0%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="0%" valign="bottom" style="border:none;padding:0in 0in 0in 0in;width:.98%;">
<p style="margin:0in 0in .0001pt;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>   </tr>
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<td width="44%" valign="top" style="padding:0in 0in 0in 0in;width:44.0%;">
<p style="margin:0in 0in .0001pt 1.45pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Audit Fees</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="7%" valign="bottom" style="padding:0in 0in 0in 0in;width:7.94%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">$</font></p>    </td>
<td width="10%" valign="bottom" style="padding:0in 0in 0in 0in;width:10.02%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">2,737,081</font></p>    </td>
<td width="7%" valign="bottom" style="padding:0in 0in 0in 0in;width:7.06%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="7%" valign="bottom" style="padding:0in 0in 0in 0in;width:7.1%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">$</font></p>    </td>
<td width="11%" valign="bottom" style="padding:0in 0in 0in 0in;width:11.12%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">2,679,080</font></p>    </td>
<td width="6%" valign="bottom" style="padding:0in 0in 0in 0in;width:6.8%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="0%" valign="bottom" style="padding:0in 0in 0in 0in;width:.98%;">
<p style="margin:0in 0in .0001pt;"><font size="3" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="44%" valign="top" style="padding:0in 0in 0in 0in;width:44.0%;">
<p style="margin:2.0pt 0in .0001pt 1.45pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Audit-related   fees</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
<p style="margin:2.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="17%" colspan="2" valign="bottom" style="padding:0in 0in 0in 0in;width:17.96%;">
<p align="right" style="margin:2.0pt 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">729,873</font></p>    </td>
<td width="7%" valign="bottom" style="padding:0in 0in 0in 0in;width:7.06%;">
<p style="margin:2.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
<p style="margin:2.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="18%" colspan="2" valign="bottom" style="padding:0in 0in 0in 0in;width:18.2%;">
<p align="right" style="margin:2.0pt 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">824,631</font></p>    </td>
<td width="6%" valign="bottom" style="padding:0in 0in 0in 0in;width:6.8%;">
<p align="right" style="margin:2.0pt 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="0%" valign="bottom" style="padding:0in 0in 0in 0in;width:.98%;">
<p style="margin:2.0pt 0in .0001pt;"><font size="3" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="44%" valign="top" style="padding:0in 0in 0in 0in;width:44.0%;">
<p style="margin:2.0pt 0in .0001pt 1.45pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Tax fees</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
<p style="margin:2.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="17%" colspan="2" valign="bottom" style="padding:0in 0in 0in 0in;width:17.96%;">
<p align="right" style="margin:2.0pt 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">32,300</font></p>    </td>
<td width="7%" valign="bottom" style="padding:0in 0in 0in 0in;width:7.06%;">
<p style="margin:2.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
<p style="margin:2.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="18%" colspan="2" valign="bottom" style="padding:0in 0in 0in 0in;width:18.2%;">
<p align="right" style="margin:2.0pt 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">58,321</font></p>    </td>
<td width="6%" valign="bottom" style="padding:0in 0in 0in 0in;width:6.8%;">
<p align="right" style="margin:2.0pt 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="0%" valign="bottom" style="padding:0in 0in 0in 0in;width:.98%;">
<p style="margin:2.0pt 0in .0001pt;"><font size="3" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="44%" valign="bottom" style="padding:0in 0in 0in 0in;width:44.0%;">
<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="17%" colspan="2" valign="bottom" style="padding:0in 0in 0in 0in;width:17.96%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="7%" valign="bottom" style="padding:0in 0in 0in 0in;width:7.06%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="18%" colspan="2" valign="bottom" style="padding:0in 0in 0in 0in;width:18.2%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="6%" valign="bottom" style="padding:0in 0in 0in 0in;width:6.8%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="0%" valign="bottom" style="padding:0in 0in 0in 0in;width:.98%;">
<p style="margin:0in 0in .0001pt;"><font size="3" face="Times New Roman" style="font-size:12.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="44%" valign="top" style="padding:0in 0in 0in 0in;width:44.0%;">
<p style="margin:0in 0in .0001pt 1.45pt;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">Total</font></b></p>    </td>
<td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="7%" valign="bottom" style="padding:0in 0in 0in 0in;width:7.94%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">$</font></b></p>    </td>
<td width="10%" valign="bottom" style="padding:0in 0in 0in 0in;width:10.02%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">3,499,254</font></b></p>    </td>
<td width="7%" valign="bottom" style="padding:0in 0in 0in 0in;width:7.06%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="7%" valign="bottom" style="padding:0in 0in 0in 0in;width:7.1%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">$</font></b></p>    </td>
<td width="11%" valign="bottom" style="padding:0in 0in 0in 0in;width:11.12%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">3,562,032</font></b></p>    </td>
<td width="6%" valign="bottom" style="padding:0in 0in 0in 0in;width:6.8%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="0%" valign="bottom" style="padding:0in 0in 0in 0in;width:.98%;">
<p style="margin:0in 0in .0001pt;"><b><font size="3" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">No other audit firms provided audit services in 2010 or 2009.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">The nature of each category of fees is described below:</font></p>
<p style="margin:0in 0in .0001pt;"><i><font size="2" face="Times New Roman" style="font-size:11.0pt;font-style:italic;">&nbsp;</font></i></p>
<p style="margin:0in 0in .0001pt;"><i><font size="2" face="Times New Roman" style="font-size:11.0pt;font-style:italic;">Audit Fees</font></i></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Audit fees were paid for professional services rendered by the auditors for the audit of the Corporation&#146;s annual financial statements or services provided in connection with statutory and regulatory filings or engagements, including the translation from English to French of the Corporation&#146;s financial statements and other documents.&#160; Total audit fees for 2010 include payments related to 2009 in the amount of $969,568.&#160; Total audit fees for 2009 include payments related to 2008 in the amount of $1,212,080.</font></p>
<p style="margin:0in 0in .0001pt;"><i><font size="2" face="Times New Roman" style="font-size:11.0pt;font-style:italic;">&nbsp;</font></i></p>
<p style="margin:0in 0in .0001pt;"><i><font size="2" face="Times New Roman" style="font-size:11.0pt;font-style:italic;">Audit-Related Fees</font></i></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">The audit-related fees in 2010 were primarily for work performed by Ernst&nbsp;&amp; Young LLP in relation to the implementation of International Financial Reporting Standards, other audits, public equity and debt offerings, and miscellaneous accounting advice provided to the Corporation.&#160; </font><font size="2" style="font-size:11.0pt;">The audit-related fees in 2009 were primarily for work performed by Ernst &amp; Young LLP in relation to the implementation of International Financial Reporting Standards, public equity and debt offerings and miscellaneous accounting advice provided to the Corporation.</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><i><font size="2" face="Times New Roman" style="font-size:11.0pt;font-style:italic;">Tax Fees</font></i></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">The majority of tax fees for each of 2009 and 2010 relate to various tax related matters in our foreign operations.</font></p>
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">Pre-Approval Policies and Procedures</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">The ARC has considered whether the provision of services other than audit services is compatible with maintaining the auditors&#146; independence.&#160; In May&nbsp;2002, the ARC adopted a policy (the &#147;<b>Policy</b>&#148;) that prohibits TransAlta from engaging the auditors for &#147;prohibited&#148; categories of non-audit services and requires pre-approval of the ARC for other permissible categories of non-audit services, such categories being determined under the Sarbanes-Oxley Act.&#160; The Policy also provides that the Chair of the ARC may approve permissible non-audit services during the quarter and report such approval to the ARC at</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">7<a name="PB_7_083839_7056"></a></font></p>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">its next regularly scheduled meeting.&#160; In 2009 the ARC granted management the authority to approve <i>de minimus</i> permissible non-audit services (which are in the aggregate the lesser of 5 per cent of the total fees paid to the external auditors or $125,000) provided such services are reported to the ARC at its next scheduled meeting.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><i><font size="2" face="Times New Roman" style="font-size:11.0pt;font-style:italic;">Percentage of Services Approved by the ARC</font></i></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">For the year ended December&nbsp;31, 2010, none of the services described above were approved by the ARC pursuant to paragraph (c)(7)(i)(C)&nbsp;of Rule&nbsp;2-01 of Regulation S-X.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">OFF-BALANCE SHEET ARRANGEMENTS</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">See page&nbsp;27 of Exhibit&nbsp;13.2, incorporated by reference herein.</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">TABULAR DISCLOSURE OF CONTRACTUAL OBLIGATIONS</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">See page&nbsp;27 of Exhibit&nbsp;13.2, incorporated by reference herein, under the heading &#147;Liquidity and Capital Resources&#148; and page 40 of Exhibit&nbsp;13.3, incorporated by reference herein, under the heading &#147;Commitments&#148;.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">IDENTIFICATION OF THE AUDIT COMMITTEE</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">The Registrant has a separately-designated standing ARC.&#160; The members of the ARC are:</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">William D. Anderson (Chair)</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">C. Kent Jespersen</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Gordon S. Lackenbauer</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Karen E. Maidment</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Donna S. Kaufman&#160;&#160; (ex-officio member)</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">8<a name="PB_8_073611_7748"></a></font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">FORWARD LOOKING INFORMATION</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">This Form&nbsp;40-F/A, the documents incorporated herein by reference, and other reports and filings made with the securities regulatory authorities, include forward looking statements.&nbsp; All forward looking statements are based on TransAlta&#146;s beliefs as well as assumptions based on information available at the time the assumption was made and on management&#146;s experience and perception of historical trends, current conditions and expected further developments as well as other factors deemed appropriate in the circumstances.&#160; Forward looking statements are not facts, but only predictions and generally can be identified by the use of statements that include phrases such as &#147;may&#148;, &#147;will&#148;, &#147;believe&#148;, &#147;expect&#148;, &#147;anticipate&#148;, &#147;intend&#148;, &#147;plan&#148;, &#147;foresee&#148;, &#147;potential&#148;, &#147;enable&#148;, &#147;continue&#148; or other comparable terminology.&#160; These statements are not guarantees of TransAlta&#146;s future performance and are subject to risks, uncertainties and other important factors that could cause TransAlta&#146;s actual performance to be materially different from those projected.</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">In particular, this Form&nbsp;40-F/A and the documents incorporated herein by reference contain forward looking statements pertaining to the following: expectations relating to the timing of the completion and commissioning of projects under development, including uprates and upgrades, and their attendant costs; expectations related to future earnings and cash flow from operating activities; expectations relating to the timing of the completion of the study regarding CCS and the cost of the study; estimates of fuel supply and demand conditions and the costs of procuring fuel; our plans to invest in existing and new capacity, and the expected return on those investments; expectations for demand for electricity in both the short-term and long-term, and the resulting impact on electricity prices; expectations in respect of generation availability and production; expectations in terms of the cost of operations and maintenance, and the variability of those costs; expected governmental regulatory regimes and legislation, as well as the cost of complying with resulting regulations and laws; our trading strategy and the risk involved in these strategies; expectations relating to the renegotiation of certain of the collective bargaining agreements to which we are a party; estimates of future tax rates, future tax expense, and the adequacy of tax provisions; expectations for the outcome of existing or potential legal/administrative claims; and expectations for the ability to access capital markets at reasonable terms.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Factors that may adversely impact the Corporation&#146;s forward looking statements include risks relating to: (i)&nbsp;fluctuations in market prices and availability of fuel supplies required to generate electricity and the price of electricity; (ii)&nbsp;the regulatory and political environments in the jurisdictions in which the Corporation operates; (iii)&nbsp;environmental requirements and changes in, or liabilities under, these requirements; (iv)&nbsp;changes in general economic conditions including interest rates; (v)&nbsp;operational risks involving the Corporation&#146;s facilities, including unplanned outages at such facilities; (vi)&nbsp;disruptions in the transmission and distribution of electricity; (vii)&nbsp;effects of weather; (viii)&nbsp;disruptions in the source of fuels, water, wind or biomass required to operate the Corporation&#146;s facilities; (ix)&nbsp;natural disasters; (x)&nbsp;equipment failure; (xi)&nbsp;trading risks; (xii)&nbsp;industry risk and competition; (xiii)&nbsp;fluctuations in the value of foreign currencies and foreign political risks; (xiv)&nbsp;need for additional financing; (xv)&nbsp;structural subordination of securities; (xvi)&nbsp;counterparty credit risk; (xvii)&nbsp;insurance coverage; (xviii)&nbsp;the Corporation&#146;s provision for income taxes; (xix)&nbsp;legal proceedings involving the Corporation; (xx)&nbsp;reliance on key personnel; (xxi)&nbsp;labour relations matters; and (xxii)&nbsp;development projects and acquisitions.&nbsp; The foregoing risk factors, among others, are described in further detail under the heading &#147;Risk Factors&#148; in TransAlta&#146;s Annual Information Form&nbsp;and Management&#146;s Discussion and Analysis for the year ended December&nbsp;31, 2010 (the &#147;<b>Annual MD&amp;A</b>&#148;) incorporated herein by reference.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Readers are urged to consider these factors carefully in evaluating the forward looking statements and are cautioned not to place undue reliance on these forward looking statements.&nbsp; The forward looking</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">9<a name="PB_9_073630_141"></a></font></p>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">statements included in this document are made only as of the date hereof and the Corporation does not undertake to publicly update these forward looking statements to reflect new information, future events or otherwise, except as required by applicable laws.&nbsp; In light of these risks, uncertainties and assumptions, the forward looking events might occur to a different extent or at a different time than the Corporation has described or might not occur.&nbsp; The Corporation cannot assure you that projected results or events will be achieved.</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">10<a name="PB_10_073646_7608"></a></font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">DOCUMENTS FILED AS PART&nbsp;OF THIS REPORT AND EXHIBITS</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:27.0pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">The following items are specifically incorporated by reference in, and form an integral part of, this filing on Form&nbsp;40-F/A:</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
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<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">13.1</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">TransAlta   Corporation Annual Information Form&nbsp;for the year ended December&nbsp;31,   2010.*</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">13.2</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Related   Management&#146;s Discussion and Analysis.*</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">13.3</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Consolidated   Audited Annual Financial Statements for the year ended December&nbsp;31,   2010.*</font></p>    </td>   </tr>
<tr>
<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">13.4</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Reconciliation   to United States Generally Accepted Accounting Principles of the 2010   Consolidated Audited Annual Financial Statements.*</font></p>    </td>   </tr>
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<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">13.5</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Management&#146;s   Annual Report on Internal Control over Financial Reporting, (included on   page&nbsp;2 of Exhibit&nbsp;13.3).*</font></p>    </td>   </tr>
<tr>
<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">13.6</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Independent   Auditor&#146;s Report on Internal Controls under Standards of the Public Company   Accounting Oversight Board (United States), (included on page&nbsp;3 of   Exhibit&nbsp;13.3).*</font></p>    </td>   </tr>
<tr>
<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">23.1</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Consent of Ernst   and Young LLP Chartered Accountants.</font><font size="1" style="font-size:8.0pt;">&#134;</font></p>    </td>   </tr>
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<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">31.1</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Certification of   Chief Executive Officer pursuant to Section&nbsp;302 of the <i>Sarbanes-Oxley Act of 2002</i>.</font><font size="1" style="font-size:8.0pt;">&#134;</font></p>    </td>   </tr>
<tr>
<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">31.2</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Certification of   Chief Financial Officer pursuant to Section&nbsp;302 of the <i>Sarbanes-Oxley Act of 2002</i>.</font><font size="1" style="font-size:8.0pt;">&#134;</font></p>    </td>   </tr>
<tr>
<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">32.1</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Certification of   Chief Executive Officer pursuant to Section&nbsp;906 of the <i>Sarbanes-Oxley Act of 2002</i>.</font><font size="1" style="font-size:8.0pt;">&#134;</font></p>    </td>   </tr>
<tr>
<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">32.2</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Certification of   Chief Financial Officer pursuant to Section&nbsp;906 of the <i>Sarbanes-Oxley Act of 2002</i>.</font><font size="1" style="font-size:8.0pt;">&#134;</font></p>    </td>   </tr>  </table>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:8.0pt;">* Previously filed as an exhibit (with the same exhibit number) to the Registrant&#146;s Form 40-F filed on February 24, 2011.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:8.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:8.0pt;">&#134; Filed herewith.</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">11<a name="PB_11_073708_8146"></a></font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">UNDERTAKING</font></b></p>
<p style="margin:0in 0in .0001pt .25in;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">TransAlta Corporation undertakes to make available, in person or by telephone, representatives to respond to inquiries made by the Commission staff, and to furnish promptly, when requested to do so by the Commission staff, information relating to: the securities registered pursuant to Form&nbsp;40-F; the securities in relation to which the obligation to file an annual report on Form&nbsp;40-F arises; or transactions in said securities.</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">SIGNATURES</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Pursuant to the requirements of the Exchange Act, the Registrant certifies that it meets all of the requirements for filing on Form&nbsp;40-F/A and has duly caused this amended annual report to be signed on its behalf by the undersigned, thereto duly authorized, in the City of Calgary, Province of Alberta, Canada.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
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<p style="margin:0in 0in .0001pt 2.9pt;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">TRANSALTA   CORPORATION</font></b></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.88%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt 2.9pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">/s/ Brett Gellner</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="48%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:48.88%;">
<p style="margin:0in 0in .0001pt 2.9pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Brett Gellner</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt 2.9pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Chief Financial Officer</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Dated: August 25, 2011</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>  </table>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">12<a name="PB_12_073740_7091"></a></font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:11.0pt;font-weight:bold;">EXHIBIT&nbsp;INDEX</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">13.1</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">TransAlta   Corporation Annual Information Form&nbsp;for the year ended December&nbsp;31,   2010.*</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">13.2</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Related   Management&#146;s Discussion and Analysis.*</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">13.3</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Consolidated   Audited Annual Financial Statements for the year ended December&nbsp;31,   2010.*</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">13.4</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Reconciliation   to United States Generally Accepted Accounting Principles of the 2010   Consolidated Audited Annual Financial Statements.*</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">13.5</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Management&#146;s   Annual Report on Internal Control over Financial Reporting, (included on   page&nbsp;2 of Exhibit&nbsp;13.3).*</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">13.6</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Independent   Auditor&#146;s Report on Internal Controls under Standards of the Public Company   Accounting Oversight Board (United States), (included on page&nbsp;3 of   Exhibit&nbsp;13.3).*</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">23.1</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Consent of Ernst   and Young LLP Chartered Accountants.</font><font size="1" style="font-size:8.0pt;">&#134;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">31.1</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Certification of   Chief Executive Officer pursuant to Section&nbsp;302 of the <i>Sarbanes-Oxley Act of 2002</i>.</font><font size="1" style="font-size:8.0pt;">&#134;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">31.2</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Certification of   Chief Financial Officer pursuant to Section&nbsp;302 of the <i>Sarbanes-Oxley Act of 2002</i>.</font><font size="1" style="font-size:8.0pt;">&#134;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">32.1</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Certification of   Chief Executive Officer pursuant to Section&nbsp;906 of the <i>Sarbanes-Oxley Act of 2002</i>.</font><font size="1" style="font-size:8.0pt;">&#134;</font></p>    </td>   </tr>
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<td width="10%" valign="top" style="padding:0in 0in 0in 0in;width:10.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.12%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>
<td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.88%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">32.2</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:11.0pt;">Certification of   Chief Financial Officer pursuant to Section&nbsp;906 of the Sarbanes<i>-Oxley Act of 2002</i>.</font><font size="1" style="font-size:8.0pt;">&#134;</font></p>    </td>   </tr>  </table>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:8.0pt;">* Previously filed as an exhibit (with the same exhibit number) to the Registrant&#146;s Form 40-F filed on February 24, 2011.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:8.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:8.0pt;">&#134; Filed herewith.</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<TYPE>EX-23.1
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<FILENAME>a11-24647_1ex23d1.htm
<DESCRIPTION>EX-23.1  CONSENT OF ERNST AND YOUNG LLP
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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Arial" style="font-size:11.0pt;">Exhibit 23.1</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">&nbsp;</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Arial" style="font-size:11.0pt;font-weight:bold;">CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Arial" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">We consent to the use of our reports dated February&nbsp;23, 2011 with respect to the consolidated financial statements of TransAlta Corporation (the &#147;Corporation&#148;) as at December&nbsp;31, 2010 and 2009 and for each of the years in the three year period ended December&nbsp;31, 2010, and internal control over financial reporting as of December&nbsp;31, 2010 of TransAlta Corporation, included as an exhibit to or incorporated by reference in the Annual Report (Form&nbsp;40-F/A) for 2010.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">We also consent to the use of our audit report dated February&nbsp;23, 2011 to the Board of Directors of the Corporation with respect to the Reconciliation to United States Generally </font><font size="2" face="Arial" style="font-size:11.0pt;">Accepted</font><font size="2" face="Arial" style="font-size:11.0pt;"> Accounting Principles as at December&nbsp;31, 2010 and 2009 and for each of the years in the three year period ended December&nbsp;31, 2010, included as an exhibit to or incorporated by reference in the Annual Report (Form&nbsp;40-F/A) for 2010.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">We also consent to the incorporation by reference in the following Registration Statements:</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 23.7pt;text-indent:-.25in;"><font size="2" face="Arial" style="font-size:11.0pt;">(1)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160; </font><font size="2" face="Arial" style="font-size:11.0pt;">Registration Statement (Form&nbsp;S-8 No.&nbsp;333-72454 and No.&nbsp;333-101470) pertaining to TransAlta Corporation&#146;s Share Option Plan</font></p>
<p style="margin:0in 0in .0001pt 23.7pt;text-indent:-.25in;"><font size="2" face="Arial" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 23.7pt;text-indent:-.25in;"><font size="2" face="Arial" style="font-size:11.0pt;">(2)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160; </font><font size="2" face="Arial" style="font-size:11.0pt;">Registration Statement (Form&nbsp;F-10 No.&nbsp;333-170465 and No.&nbsp;333-162418) pertaining to the registration of Debt and Equity Securities of TransAlta Corporation</font></p>
<p style="margin:0in 0in .0001pt 23.7pt;text-indent:-.25in;"><font size="2" face="Arial" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">of our reports dated February&nbsp;23, 2011, with respect to the consolidated financial statements of TransAlta Corporation as at December&nbsp;31, 2010 and 2009 and for each of the years in the three year period ended December&nbsp;31, 2010, internal control over financial reporting as of December&nbsp;31, 2010 of TransAlta Corporation and the Reconciliation to United States Generally Accepted Accounting Principles as of December&nbsp;31, 2010 and 2009 and for each of the years in the three year period ended December&nbsp;31, 2010, included as an exhibit to or incorporated by reference in the Annual Report (Form&nbsp;40-F/A) of TransAlta Corporation for the year ended December&nbsp;31, 2010.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">Signed &#147;Ernst&nbsp;&amp; Young LLP&#148;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">Chartered Accountants</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">Calgary, Alberta</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">August&nbsp;25, 2011</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Arial" style="font-size:11.0pt;">&nbsp;</font></p>
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<TYPE>EX-31.1
<SEQUENCE>3
<FILENAME>a11-24647_1ex31d1.htm
<DESCRIPTION>EX-31.1  CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECTION 302
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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Exhibit&nbsp;31.1</font></p>
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Certifications</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 27.35pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">I, Stephen G. Snyder, certify that:</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">1.</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">I have reviewed this annual report on Form&nbsp;40-F/A of TransAlta Corporation;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3.</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the issuer as of, and for, the periods presented in this report;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">The issuer&#146;s other certifying officer(s)&nbsp;and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules&nbsp;13a-15(e)&nbsp;and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules&nbsp;13a-15(f)&nbsp;and 15d-15(f)) for the issuer and have:</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 63.35pt;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">a)</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the issuer, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 63.35pt;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">b)</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;</font></p>
<p style="margin:0in 0in .0001pt .5in;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 63.35pt;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">c)</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Evaluated the effectiveness of the issuer&#146;s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and</font></p>
<p style="margin:0in 0in .0001pt .5in;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 63.35pt;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">d)</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Disclosed in this report any change in the issuer&#146;s internal control over financial reporting that occurred during the period covered by the annual report that has materially affected, or is reasonably likely to materially affect, the issuer&#146;s internal control over financial reporting; and</font></p>
<p style="margin:0in 0in .0001pt .5in;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">The issuer&#146;s other certifying officer(s)&nbsp;and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the issuer&#146;s auditors and the audit committee of the issuer&#146;s board of directors (or persons performing the equivalent functions):</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 63.35pt;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">a)</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the issuer&#146;s ability to record, process, summarize and report financial information; and</font></p>
<p style="margin:0in 0in .0001pt .5in;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 64.1pt;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">b)</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Any fraud, whether or not material, that involves management or other employees who have a significant role in the issuer&#146;s internal control over financial reporting.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt 27.35pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">August&nbsp;25, 2011</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="50%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt 4.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/   Stephen G. Snyder</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt 4.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Stephen   G. Snyder</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt 4.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">President   and Chief Executive Officer</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>4
<FILENAME>a11-24647_1ex31d2.htm
<DESCRIPTION>EX-31.2  CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302
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<p align="right" style="margin:0in 0in .0001pt 27.0pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Exhibit&nbsp;31.2</font></p>
<p align="right" style="margin:0in 0in .0001pt 27.0pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Certifications</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 27.35pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">I, Brett Gellner, certify that:</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">1.</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">I have reviewed this annual report on Form&nbsp;40-F/A of TransAlta Corporation;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3.</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the issuer as of, and for, the periods presented in this report;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">The issuer&#146;s other certifying officer(s)&nbsp;and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules&nbsp;13a-15(e)&nbsp;and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules&nbsp;13a-15(f)&nbsp;and 15d-15(f)) for the issuer and have:</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 63.35pt;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">a)</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the issuer, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 63.35pt;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">b)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;</font></p>
<p style="margin:0in 0in .0001pt .5in;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 63.35pt;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">c)</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Evaluated the effectiveness of the issuer&#146;s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and</font></p>
<p style="margin:0in 0in .0001pt 63.35pt;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 63.35pt;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">d)</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Disclosed in this report any change in the issuer&#146;s internal control over financial reporting that occurred during the period covered by the annual report that has materially affected, or is reasonably likely to materially affect, the issuer&#146;s internal control over financial reporting; and</font></p>
<p style="margin:0in 0in .0001pt .5in;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">The issuer&#146;s other certifying officer(s)&nbsp;and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the issuer&#146;s auditors and the audit committee of the issuer&#146;s board of directors (or persons performing the equivalent functions):</font></p>
<p style="margin:0in 0in .0001pt 27.0pt;text-align:justify;text-indent:-27.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 63.35pt;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">a)</font><font size="1" style="font-size:8.5pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the issuer&#146;s ability to record, process, summarize and report financial information; and</font></p>
<p style="margin:0in 0in .0001pt 63.35pt;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 63.35pt;text-align:justify;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">b)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Any fraud, whether or not material, that involves management or other employees who have a significant role in the issuer&#146;s internal control over financial reporting.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt 27.35pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">August&nbsp;25, 2011</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="50%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .5pt 0in .5pt;width:50.0%;">
<p style="margin:0in 0in .0001pt 4.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/   Brett Gellner</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="50%" valign="top" style="border:none;padding:0in .5pt 0in .5pt;width:50.0%;">
<p style="margin:0in 0in .0001pt 4.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Brett   Gellner</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt 4.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief   Financial Officer</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>5
<FILENAME>a11-24647_1ex32d1.htm
<DESCRIPTION>EX-32.1  CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECTION 906
<TEXT>


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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Exhibit&nbsp;32.1</font></p>
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">CERTIFICATION PURSUANT TO</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">18 U.S.C. SECTION&nbsp;1350,</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">AS ADOPTED PURSUANT TO</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SECTION&nbsp;906 OF THE SARBANES-OXLEY ACT OF 2002</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">In connection with the Annual Report of TransAlta Corporation (the &#147;Company&#148;) on Form&nbsp;40-F/A for the year ended December&nbsp;31, 2010 as filed with the Securities and Exchange Commission on the date hereof (the &#147;Report&#148;),&nbsp;I, Stephen G. Snyder, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section&nbsp;1350, as adopted pursuant to Section&nbsp;906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="96%" style="border-collapse:collapse;margin-left:.25in;width:96.66%;">
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">1.</font></p>    </td>
<td width="0%" valign="bottom" style="padding:0in 0in 0in 0in;width:.94%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.44%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Report fully complies with the requirements of   Section&nbsp;13(a)&nbsp;or 15(d), as applicable, of the Securities Exchange   Act of 1934, as amended; and</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="0%" valign="bottom" style="padding:0in 0in 0in 0in;width:.94%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.44%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.</font></p>    </td>
<td width="0%" valign="bottom" style="padding:0in 0in 0in 0in;width:.94%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.44%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The information contained in the Report fairly presents, in all   materials respects, the financial condition and result of operations of the   Company.</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt .5in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt .5in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt .5in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/   Stephen G. Snyder</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Stephen   G. Snyder</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">President   and Chief Executive Officer</font></p>    </td>
<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dated:   August&nbsp;25, 2011.</font></p>    </td>
<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The foregoing certification is being furnished solely to accompany the Report pursuant to 18 U.S.C &#167; 1350, and is not being filed for purposes of Section&nbsp;18 of the Securities Exchange Act of 1934, as amended, and is not to be incorporated by reference into any filing of the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
</div>
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<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>6
<FILENAME>a11-24647_1ex32d2.htm
<DESCRIPTION>EX-32.2  CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 906
<TEXT>


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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Exhibit&nbsp;32.2</font></p>
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">CERTIFICATION PURSUANT TO</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">18 U.S.C. SECTION&nbsp;1350,</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">AS ADOPTED PURSUANT TO</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SECTION&nbsp;906 OF THE SARBANES-OXLEY ACT OF 2002</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">In connection with the Annual Report of TransAlta Corporation (the &#147;Company&#148;) on Form&nbsp;40-F/A for the year ended December&nbsp;31, 2010 as filed with the Securities and Exchange Commission on the date hereof (the &#147;Report&#148;),&nbsp;I, Brett Gellner, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section&nbsp;1350, as adopted pursuant to Section&nbsp;906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="96%" style="border-collapse:collapse;margin-left:.25in;width:96.66%;">
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">1.</font></p>    </td>
<td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.56%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.26%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Report fully complies with the requirements of   Section&nbsp;13(a)&nbsp;or 15(d), as applicable of the Securities Exchange   Act of 1934, as amended; and</font></p>    </td>   </tr>
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<td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.18%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.56%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.26%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.</font></p>    </td>
<td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.56%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.26%;">
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The information contained in the Report fairly presents, in all   materials respects, the financial condition and result of operations of the   Company.</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt .5in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt .5in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt .5in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/   Brett Gellner</font></p>    </td>
<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
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<td width="50%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Brett   Gellner</font></p>    </td>
<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief   Financial Officer</font></p>    </td>
<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
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<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dated:   August&nbsp;25, 2011.</font></p>    </td>
<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The foregoing certification is being furnished solely to accompany the Report pursuant to 18 U.S.C &#167; 1350, and is not being filed for purposes of Section&nbsp;18 of the Securities Exchange Act of 1934, as amended, and is not to be incorporated by reference into any filing of the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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