0001097519
2012-11-16
2012-11-16
0001097519
columbia:S000010826Member
columbia:AAAAMember
2012-11-16
2012-11-16
0001097519
columbia:S000010826Member
columbia:C000094660Member
columbia:AAAAMember
2012-11-16
2012-11-16
0001097519
columbia:S000010826Member
columbia:BBBBMember
2012-11-16
2012-11-16
0001097519
columbia:S000010826Member
columbia:C000122594Member
columbia:BBBBMember
2012-11-16
2012-11-16
xbrli:pure
iso4217:USD
xbrli:shares
iso4217:USD
xbrli:shares
Other
2012-02-29
COLUMBIA FUNDS SERIES TRUST
0001097519
false
2012-11-16
<div style="display: none">~ http://xbrl.sec.gov/rr/role/RiskReturnDetailData
column period compact *
row dei_DocumentInformationDocumentAxis compact *
row dei_LegalEntityAxis compact *
row rr_ProspectusShareClassAxis compact *
row rr_PerformanceMeasureAxis compact *
row primary compact * ~</div>
<p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"><b>
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
</b></p>
<div style="font-size:16;padding-top:5;padding-bottom:0;padding-left:0; text-align: center">
<b>COLUMBIA FUNDS SERIES TRUST</b></div>
<p></p>
<p></p>
<div style="font-size:16;padding-top:5;padding-bottom:0;padding-left:0; text-align: center">
<b>Columbia Mid Cap Index Fund</b></div>
<div style="font-size:16;padding-top:5;padding-bottom:0;padding-left:0; text-align: center">
<b>(the "Fund")</b></div>
<p></p>
<p></p>
<div style="font-size:16;padding-top:5;padding-bottom:0;padding-left:0; text-align: center">
<b>Supplement dated November 16, 2012 to</b></div>
<div style="font-size:16;padding-top:5;padding-bottom:0;padding-left:0; text-align: center">
<b>the Fund's prospectus dated July 1, 2012, as supplemented</b></div>
<p></p>
<p></p>
<p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;">
The Fund's prospectus offering Class A and Class I shares is revised and supplemented as follows:</p>
<p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;">
The section of the Fund's prospectus entitled <b><i>"Fees and Expenses of the Fund"</i></b> is modified by deleting the Class I column of the table entitled <b><i>"Annual Fund Operating Expenses"</i></b> and the Class I row of the expense example table in the subsection entitled <b><i>"Example"</i></b> and replacing them with the following:</p>
<div style="display:none">~http://columbia/role/ShareholderFeesDataAAAA column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010826Member ~</div>
<div style="display:none">~ http://columbia/role/OperatingExpensesDataAAAA column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010826Member ~</div>
0.0020
0.0000
0.0023
<div style="display:none">~ http://columbia/role/ExpenseExampleAAAA column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010826Member ~</div>
<div style="display:none">~ http://columbia/role/ExpenseExampleNoRedemptionAAAA column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010826Member ~</div>
<p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"><b>
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
</b></p>
<div style="display:none">~http://columbia/role/ShareholderFeesDataBBBB column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010826Member ~</div>
<div style="display:none">~ http://columbia/role/OperatingExpensesDataBBBB column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010826Member ~</div>
<div style="display:none">~ http://columbia/role/ExpenseExampleBBBB column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010826Member ~</div>
<div style="display:none">~ http://columbia/role/PerformanceTableDataBBBB column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010826Member ~</div>
0.0000
0.0028
2012-11-16
2012-11-16
0.0001
0.0001
<div style="font-size:16;padding-top:5;padding-bottom:0;padding-left:0; text-align: center">
<b>COLUMBIA FUNDS SERIES TRUST</b></div>
<p></p>
<p></p>
<div style="font-size:16;padding-top:5;padding-bottom:0;padding-left:0; text-align: center">
<b>Columbia Mid Cap Index Fund</b></div>
<div style="font-size:16;padding-top:5;padding-bottom:0;padding-left:0; text-align: center">
<b>(the "Fund")</b></div>
<p></p>
<p></p>
<div style="font-size:16;padding-top:5;padding-bottom:0;padding-left:0; text-align: center">
<b>Supplement dated November 16, 2012 to</b></div>
<div style="font-size:16;padding-top:5;padding-bottom:0;padding-left:0; text-align: center">
<b>the Fund's prospectus dated November 8, 2012</b></div>
<p></p>
<p></p>
<p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;">
The Fund's prospectus offering Class R5 shares is revised and supplemented as follows:</p>
<p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;">
The section of the Fund's prospectus entitled <b><i>"Fees and Expenses of the Fund"</i></b> is modified by deleting the table entitled <b><i>"Annual Fund Operating Expenses"</i></b> and the expense example table in the subsection entitled <b><i>"Example"</i></b> and replacing them with the following:</p>
<p></p>
<p></p>
<p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial" size="2"><b>COLUMBIA FUNDS SERIES TRUST</b> </font></p>
<p style="MARGIN-TOP: 6px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial" size="2"><b>Columbia Mid Cap Index Fund</b> </font></p>
<p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial" size="2"><b>(the "Fund")</b> </font></p>
<p style="MARGIN-TOP: 6px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial" size="2"><b>Supplement dated November 16, 2012 to</b> </font></p>
<p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial" size="2"><b>the Fund's prospectus dated July 1, 2012, as supplemented</b> </font></p>
<p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px"><font style="FONT-FAMILY: Arial" size="2">The Fund's prospectus offering Class A and Class I shares is revised and supplemented as follows: </font></p>
<p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px"><font style="FONT-FAMILY: Arial" size="2">The section of the Fund's prospectus entitled <b><i>"Fees and Expenses of the Fund"</i></b> is modified by deleting the Class I column of the table entitled <b><i>"Annual Fund Operating Expenses"</i></b> and the Class I row of the expense example table in the subsection entitled <b><i>"Example"</i></b> and replacing them with the following:
</font></p>
<p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px"><font style="FONT-FAMILY: Arial" size="2"><b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</b> </font></p>
<p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px; FONT-SIZE: 10px"> </p>
<p></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" >
<tr>
<td width="85%">
</td>
<td width="12%">
</td>
<td>
</td>
<td>
</td>
<td>
</td>
</tr>
<tr>
<td ><font size="1"> </font></td>
<td ><font size="1"> </font></td>
<td colspan="2" align="center"><font style="FONT-FAMILY: Arial" size="1"><b>Class I Shares</b></font></td>
<td ><font size="1"> </font></td>
</tr>
<tr bgcolor="#cceeff">
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2">Management fees</font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">0.20</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">% </font></td>
</tr>
<tr>
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2">Distribution and/or service (Rule 12b-1) fees</font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">0.00</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">% </font></td>
</tr>
<tr bgcolor="#cceeff">
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2">Other expenses</font><font style="FONT-FAMILY: Arial" size="1"><sup style="POSITION: relative; BOTTOM: 0.8ex; VERTICAL-ALIGN: baseline">(a)</sup></font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">0.02</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">% </font></td>
</tr>
<tr>
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2">Acquired fund fees and expenses</font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">0.01</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">% </font></td>
</tr>
<tr bgcolor="#cceeff">
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2"><b>Total annual Fund operating expenses</b></font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">0.23</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">% </font></td>
</tr>
<tr>
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2">Fee waivers and/or reimbursements</font><font style="FONT-FAMILY: Arial" size="1"><sup style="POSITION: relative; BOTTOM: 0.8ex; VERTICAL-ALIGN: baseline">(b)</sup></font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">-0.02</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">% </font></td>
</tr>
<tr bgcolor="#cceeff">
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2"><b>Total annual Fund operating expenses after fee</b> <b>waivers and/or reimbursements</b></font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">0.21</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">% </font></td>
</tr>
</table>
<p></p>
<p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px; FONT-SIZE: 10px"> </p>
<p></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%">
<tr>
<td valign="top" width="4%" align="left"><font style="FONT-FAMILY: Arial" size="1"><sup >(</sup></font><font style="FONT-FAMILY: Arial" size="1"><sup >a)</sup> </font></td>
<td valign="top" align="left"><p align="left"><font style="FONT-FAMILY: Arial" size="2">Other expenses have been restated to reflect contractual changes to certain fees paid by the Fund. </font></p>
</td>
</tr>
</table>
<p></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%">
<tr>
<td valign="top" width="4%" align="left"><font style="FONT-FAMILY: Arial" size="1"><sup >(</sup></font><font style="FONT-FAMILY: Arial" size="1"><sup >b)</sup> </font></td>
<td valign="top" align="left"><p align="left"><font style="FONT-FAMILY: Arial" size="2">Columbia Management Investment Advisers, LLC (the Investment Manager) and certain of its affiliates have contractually agreed to waive fees and/or to reimburse expenses (excluding certain fees and expenses, such as transaction costs and certain other investment related expenses, interest, taxes, acquired fund fees and expenses, and extraordinary expenses) until November 15, 2013, unless sooner terminated at the sole discretion of the Fund's Board of Trustees. Under this agreement, the Fund's net operating expenses, subject to applicable exclusions, will not exceed the annual rate of 0.20% for Class I. </font></p>
</td>
</tr>
</table>
<p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px"><font style="FONT-FAMILY: Arial" size="2"><b><u>Example</u></b> </font></p>
<p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px; FONT-SIZE: 10px"> </p>
<p></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" >
<tr>
<td width="62%">
</td>
<td width="7%">
</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td width="7%">
</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td width="7%">
</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td width="7%">
</td>
<td>
</td>
<td>
</td>
<td>
</td>
</tr>
<tr>
<td ><font size="1"> </font></td>
<td ><font size="1"> </font></td>
<td colspan="2" align="center"><font style="FONT-FAMILY: Arial" size="1"><b>1 year*</b></font></td>
<td ><font size="1"> </font></td>
<td ><font size="1"> </font></td>
<td colspan="2" align="center"><font style="FONT-FAMILY: Arial" size="1"><b>3 years*</b></font></td>
<td ><font size="1"> </font></td>
<td ><font size="1"> </font></td>
<td colspan="2" align="center"><font style="FONT-FAMILY: Arial" size="1"><b>5 years*</b></font></td>
<td ><font size="1"> </font></td>
<td ><font size="1"> </font></td>
<td colspan="2" align="center"><font style="FONT-FAMILY: Arial" size="1"><b>10 years*</b></font></td>
<td ><font size="1"> </font></td>
</tr>
<tr bgcolor="#cceeff">
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2"><b>Class I Shares</b></font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">$</font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">22</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">$</font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">72</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">$</font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">127</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">$</font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">291</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
</tr>
</table>
<p></p>
<p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px; FONT-SIZE: 10px"> </p>
<p></p>
<table style="BORDER-COLLAPSE: collapse" border="0" cellspacing="0" cellpadding="0" width="100%">
<tr>
<td width="4%" align="left"><font style="FONT-FAMILY: Arial" size="2">*</font></td>
<td align="left"><font style="FONT-FAMILY: Arial" size="2">The waivers and/or reimbursements shown in the Annual Fund Operating Expenses table above expire on November 15, 2013 and are only reflected in the 1 year example and the first year of the 3, 5 and 10 year examples. </font></td>
</tr>
</table>
<p></p>
<hr></hr>
<p></p>
<p></p>
<p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial" size="2"><b>COLUMBIA FUNDS SERIES TRUST</b> </font></p>
<p style="MARGIN-TOP: 6px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial" size="2"><b>Columbia Mid Cap Index Fund</b> </font></p>
<p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial" size="2"><b>(the "Fund")</b> </font></p>
<p style="MARGIN-TOP: 6px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial" size="2"><b>Supplement dated November 16, 2012 to</b> </font></p>
<p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial" size="2"><b>the Fund's prospectus dated November 8, 2012</b> </font></p>
<p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px"><font style="FONT-FAMILY: Arial" size="2">The Fund's prospectus offering Class R5 shares is revised and supplemented as follows: </font></p>
<p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px"><font style="FONT-FAMILY: Arial" size="2">The section of the Fund's prospectus entitled <b><i>"Fees and Expenses of the Fund"</i></b> is modified by deleting the table entitled <b><i>"Annual Fund Operating Expenses"</i></b> and the expense example table in the subsection entitled <b><i>"Example"</i></b> and replacing them with the following: </font></p>
<p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px"><font style="FONT-FAMILY: Arial" size="2"><b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</b> </font></p>
<p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px; FONT-SIZE: 10px"> </p>
<p></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" >
<tr>
<td width="84%">
</td>
<td width="13%">
</td>
<td>
</td>
<td>
</td>
<td>
</td>
</tr>
<tr>
<td ><font size="1"> </font></td>
<td ><font size="1"> </font></td>
<td colspan="2" align="center"><font style="FONT-FAMILY: Arial" size="1"><b>Class R5 Shares</b></font></td>
<td ><font size="1"> </font></td>
</tr>
<tr bgcolor="#cceeff">
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2">Management fees</font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">0.20</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">% </font></td>
</tr>
<tr>
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2">Distribution and/or service (Rule 12b-1) fees</font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">0.00</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">% </font></td>
</tr>
<tr bgcolor="#cceeff">
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2">Other expenses</font><font style="FONT-FAMILY: Arial" size="1"><sup style="POSITION: relative; BOTTOM: 0.8ex; VERTICAL-ALIGN: baseline">(a)</sup></font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">0.07</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">% </font></td>
</tr>
<tr>
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2">Acquired fund fees and expenses</font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">0.01</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">% </font></td>
</tr>
<tr bgcolor="#cceeff">
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2"><b>Total annual Fund operating expenses</b></font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">0.28</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">% </font></td>
</tr>
<tr>
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2">Fee waivers and/or reimbursements</font><font style="FONT-FAMILY: Arial" size="1"><sup style="POSITION: relative; BOTTOM: 0.8ex; VERTICAL-ALIGN: baseline">(b)</sup></font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">-0.07</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">% </font></td>
</tr>
<tr bgcolor="#cceeff">
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2"><b>Total annual Fund operating expenses after fee</b> <b>waivers and/or reimbursements</b></font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">0.21</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">% </font></td>
</tr>
</table>
<p></p>
<p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px; FONT-SIZE: 10px"> </p>
<p></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%">
<tr>
<td valign="top" width="4%" align="left"><font style="FONT-FAMILY: Arial" size="1"><sup >(</sup></font><font style="FONT-FAMILY: Arial" size="1"><sup >a)</sup> </font></td>
<td valign="top" align="left"><p align="left"><font style="FONT-FAMILY: Arial" size="2">Other expenses are based on estimated amounts for the current fiscal year.</font></p>
</td>
</tr>
</table>
<table border="0" cellspacing="0" cellpadding="0" width="100%">
<tr>
<td valign="top" width="4%" align="left"><font style="FONT-FAMILY: Arial" size="1"><sup >(</sup></font><font style="FONT-FAMILY: Arial" size="1"><sup >b)</sup> </font></td>
<td valign="top" align="left"><p align="left"><font style="FONT-FAMILY: Arial" size="2">Columbia Management Investment Advisers, LLC (the Investment Manager) and certain of its affiliates have contractually agreed to waive fees and/or to reimburse expenses (excluding certain fees and expenses, such as transaction costs and certain other investment related expenses, interest, taxes, acquired fund fees and expenses, and extraordinary expenses) until November 15, 2013, unless sooner terminated at the sole discretion of the Fund's Board of Trustees. Under this agreement, the Fund's net operating expenses, subject to applicable exclusions, will not exceed the annual rate of 0.20% for Class R5. </font></p>
</td>
</tr>
</table>
<p></p>
<p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px"><font style="FONT-FAMILY: Arial" size="2"><b><u>Example</u></b> </font></p>
<p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px; FONT-SIZE: 10px"> </p>
<p></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" >
<tr>
<td width="62%">
</td>
<td width="7%">
</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td width="7%">
</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td width="7%">
</td>
<td>
</td>
<td>
</td>
<td>
</td>
<td width="7%">
</td>
<td>
</td>
<td>
</td>
<td>
</td>
</tr>
<tr>
<td ><font size="1"> </font></td>
<td ><font size="1"> </font></td>
<td colspan="2" align="center"><font style="FONT-FAMILY: Arial" size="1"><b>1 year*</b></font></td>
<td ><font size="1"> </font></td>
<td ><font size="1"> </font></td>
<td colspan="2" align="center"><font style="FONT-FAMILY: Arial" size="1"><b>3 years*</b></font></td>
<td ><font size="1"> </font></td>
<td ><font size="1"> </font></td>
<td colspan="2" align="center"><font style="FONT-FAMILY: Arial" size="1"><b>5 years*</b></font></td>
<td ><font size="1"> </font></td>
<td ><font size="1"> </font></td>
<td colspan="2" align="center"><font style="FONT-FAMILY: Arial" size="1"><b>10 years*</b></font></td>
<td ><font size="1"> </font></td>
</tr>
<tr bgcolor="#cceeff">
<td >
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Arial" size="2"><b>Class R5 Shares</b></font></p>
</td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">$</font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">22</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">$</font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">83</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">$</font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">150</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
<td ><font size="1"> </font></td>
<td ><font style="FONT-FAMILY: Arial" size="2">$</font></td>
<td align="right"><font style="FONT-FAMILY: Arial" size="2">349</font></td>
<td ><font style="FONT-FAMILY: Arial" size="2"> </font></td>
</tr>
</table>
<p></p>
<p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px; FONT-SIZE: 10px"> </p>
<p></p>
<table style="BORDER-COLLAPSE: collapse" border="0" cellspacing="0" cellpadding="0" width="100%">
<tr>
<td width="4%" align="left"><font style="FONT-FAMILY: Arial" size="2">*</font></td>
<td align="left"><font style="FONT-FAMILY: Arial" size="2">The waivers and/or reimbursements shown in the Annual Fund Operating Expenses table above expire on November 15, 2013 and are only reflected in the 1 year example and the first year of the 3, 5 and 10 year examples. </font></td>
</tr>
</table>
2013-11-15
2013-11-15
<p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"><b>Example</b></p>
<p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"><b>Example</b></p>
Other expenses have been restated to reflect contractual changes to certain fees paid by the Fund.
Other expenses are based on estimated amounts for the current fiscal year.
Columbia Management Investment Advisers, LLC (the Investment Manager) and certain of its affiliates have contractually agreed to waive fees and/or to reimburse expenses (excluding certain fees and expenses, such as transaction costs and certain other investment related expenses, interest, taxes, acquired fund fees and expenses, and extraordinary expenses) until November 15, 2013, unless sooner terminated at the sole discretion of the Fund's Board of Trustees. Under this agreement, the Fund's net operating expenses, subject to applicable exclusions, will not exceed the annual rate of 0.20% for Class I.
Columbia Management Investment Advisers, LLC (the Investment Manager) and certain of its affiliates have contractually agreed to waive fees and/or to reimburse expenses (excluding certain fees and expenses, such as transaction costs and certain other investment related expenses, interest, taxes, acquired fund fees and expenses, and extraordinary expenses) until November 15, 2013, unless sooner terminated at the sole discretion of the Fund's Board of Trustees. Under this agreement, the Fund's net operating expenses, subject to applicable exclusions, will not exceed the annual rate of 0.20% for Class R5.
The waivers and/or reimbursements shown in the Annual Fund Operating Expenses table above expire on November 15, 2013 and are only reflected in the 1 year example and the first year of the 3, 5 and 10 year examples.
The waivers and/or reimbursements shown in the Annual Fund Operating Expenses table above expire on November 15, 2013 and are only reflected in the 1 year example and the first year of the 3, 5 and 10 year examples.