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(Columbia Marsico 21st Century Fund)
 

COLUMBIA FUNDS SERIES TRUST

Columbia Marsico 21st Century Fund

(the "Fund")

Supplement dated January 25, 2013 to

the Fund's prospectus dated July 1, 2012, as supplemented

The Fund's prospectus offering Class A, B, C and R shares is revised and supplemented as follows to reflect certain fee changes effective January 23, 2013:

 
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The section of the Fund's prospectus entitled "Fees and Expenses of the Fund" is modified by deleting the table entitled "Annual Fund Operating Expenses" and the expense example table in the subsection entitled "Example" and replacing them with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses (Columbia Marsico 21st Century Fund)
Class A Shares
Class B Shares
Class C Shares
Class R Shares
Management fees [1] 0.67% 0.67% 0.67% 0.67%
Distribution and/or service (Rule 12b-1) fees 0.25% 1.00% 1.00% 0.50%
Other expenses [1] 0.26% 0.26% 0.26% 0.26%
Total annual Fund operating expenses 1.18% 1.93% 1.93% 1.43%
[1] Management fees and other expenses have been restated to reflect contractual changes to certain fees paid by the Fund.
Expense Example (Columbia Marsico 21st Century Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class A Shares
 688 928 1,187 1,924
Class B Shares
 696 906 1,242 2,059
Class C Shares
 296 606 1,042 2,254
Class R Shares
 146 452 782 1,713
Expense Example, No Redemption (Columbia Marsico 21st Century Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class B Shares
 196 606 1,042 2,059
Class C Shares
 196 606 1,042 2,254
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(Columbia Marsico 21st Century Fund)
 

COLUMBIA FUNDS SERIES TRUST

Columbia Marsico 21st Century Fund

(the "Fund")

Supplement dated January 25, 2013 to

the Fund's prospectus dated November 8, 2012, as supplemented

The Fund's prospectus offering Class R4 shares is revised and supplemented as follows to reflect certain fee changes effective January 23, 2013:

 
~http://columbia/role/ShareholderFeesDataBBBB column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010799Member ~

The section of the Fund's prospectus entitled "Fees and Expenses of the Fund" is modified by deleting the table entitled "Annual Fund Operating Expenses" and the expense example table in the subsection entitled "Example" and replacing them with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses (Columbia Marsico 21st Century Fund)
Class R4 Shares
Management fees [1] 0.67%
Distribution and/or service (Rule 12b-1) fees none
Other expenses [2] 0.26%
Total annual Fund operating expenses 0.93%
[1] Management fees have been restated to reflect contractual changes to investment advisory and administrative fee rates.
[2] Other expenses are based on estimated amounts for the current fiscal year.
Expense Example (Columbia Marsico 21st Century Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class R4 Shares
 95 296 515 1,143
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~ http://columbia/role/PerformanceTableDataBBBB column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010799Member ~
(Columbia Marsico 21st Century Fund)
 

COLUMBIA FUNDS SERIES TRUST

Columbia Marsico 21st Century Fund

(the "Fund")

Supplement dated January 25, 2013 to

the Fund's prospectus dated July 1, 2012, as supplemented

The Fund's prospectus offering Class Z shares is revised and supplemented as follows to reflect certain fee changes effective January 23, 2013:

 
~http://columbia/role/ShareholderFeesDataCCCC column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010799Member ~

The section of the Fund's prospectus entitled "Fees and Expenses of the Fund" is modified by deleting the table entitled "Annual Fund Operating Expenses" and the expense example table in the subsection entitled "Example" and replacing them with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses (Columbia Marsico 21st Century Fund)
Class Z Shares
Management fees [1] 0.67%
Distribution and/or service (Rule 12b-1) fees none
Other expenses [1] 0.26%
Total annual Fund operating expenses 0.93%
[1] Management fees and other expenses have been restated to reflect contractual changes to certain fees paid by the Fund.
Expense Example (Columbia Marsico 21st Century Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class Z Shares
 95 296 515 1,143
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~ http://columbia/role/PerformanceTableDataCCCC column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010799Member ~
(Columbia Marsico Focused Equities Fund)
 

COLUMBIA FUNDS SERIES TRUST

Columbia Marsico Focused Equities Fund

(the "Fund")

Supplement dated January 25, 2013 to

the Fund's prospectus dated July 1, 2012, as supplemented

The Fund's prospectus offering Class A, B, C and I shares is revised and supplemented as follows to reflect certain fee changes effective January 23, 2013:

 
~http://columbia/role/ShareholderFeesDataDDDD column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010797Member ~

The section of the Fund's prospectus entitled "Fees and Expenses of the Fund" is modified by deleting the table entitled "Annual Fund Operating Expenses" and the expense example table in the subsection entitled "Example" and replacing them with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses (Columbia Marsico Focused Equities Fund)
Class A Shares
Class B Shares
Class C Shares
Class I Shares
Management fees [1] 0.68% 0.68% 0.68% 0.68%
Distribution and/or service (Rule 12b-1) fees 0.25% 1.00% 1.00% none
Other expenses [1] 0.25% 0.25% 0.25% 0.03%
Total annual Fund operating expenses 1.18% 1.93% 1.93% 0.71%
[1] Management fees and other expenses have been restated to reflect contractual changes to certain fees paid by the Fund.
Expense Example (Columbia Marsico Focused Equities Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class A Shares
 688 928 1,187 1,924
Class B Shares
 696 906 1,242 2,059
Class C Shares
 296 606 1,042 2,254
Class I Shares
 73 227 395 883
Expense Example, No Redemption (Columbia Marsico Focused Equities Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class B Shares
 196 606 1,042 2,059
Class C Shares
 196 606 1,042 2,254
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(Columbia Marsico Focused Equities Fund)
 

COLUMBIA FUNDS SERIES TRUST

Columbia Marsico Focused Equities Fund

(the "Fund")

Supplement dated January 25, 2013 to

the Fund's prospectus dated November 8, 2012, as supplemented

The Fund's prospectus offering Class R4 shares is revised and supplemented as follows to reflect certain fee changes effective January 23, 2013:

 
~http://columbia/role/ShareholderFeesDataEEEE column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010797Member ~

The section of the Fund's prospectus entitled "Fees and Expenses of the Fund" is modified by deleting the table entitled "Annual Fund Operating Expenses" and the expense example table in the subsection entitled "Example" and replacing them with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses (Columbia Marsico Focused Equities Fund)
Class R4 Shares
Management fees [1] 0.68%
Distribution and/or service (Rule 12b-1) fees none
Other expenses [2] 0.25%
Total annual Fund operating expenses 0.93%
[1] Management fees have been restated to reflect contractual changes to investment advisory and administrative fee rates.
[2] Other expenses are based on estimated amounts for the current fiscal year.
Expense Example (Columbia Marsico Focused Equities Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class R4 Shares
 95 296 515 1,143
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(Columbia Marsico Focused Equities Fund)
 

COLUMBIA FUNDS SERIES TRUST

Columbia Marsico Focused Equities Fund

(the "Fund")

Supplement dated January 25, 2013 to

the Fund's prospectus dated July 1, 2012, as supplemented

The Fund's prospectus offering Class Z shares is revised and supplemented as follows to reflect certain fee changes effective January 23, 2013:

 
~http://columbia/role/ShareholderFeesDataFFFF column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010797Member ~

The section of the Fund's prospectus entitled "Fees and Expenses of the Fund" is modified by deleting the table entitled "Annual Fund Operating Expenses" and the expense example table in the subsection entitled "Example" and replacing them with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses (Columbia Marsico Focused Equities Fund)
Class Z Shares
Management fees [1] 0.68%
Distribution and/or service (Rule 12b-1) fees none
Other expenses [1] 0.25%
Total annual Fund operating expenses 0.93%
[1] Management fees and other expenses have been restated to reflect contractual changes to certain fees paid by the Fund.
Expense Example (Columbia Marsico Focused Equities Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class Z Shares
 95 296 515 1,143
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(Columbia Marsico Global Fund)
 

COLUMBIA FUNDS SERIES TRUST

Columbia Marsico Global Fund

(the "Fund")

Supplement dated January 25, 2013 to

the Fund's prospectus dated July 1, 2012, as supplemented

The Fund's prospectus offering Class A, C and R shares is revised and supplemented as follows to reflect certain fee changes effective January 23, 2013:

 
~http://columbia/role/ShareholderFeesDataGGGG column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000022025Member ~

The section of the Fund's prospectus entitled "Fees and Expenses of the Fund" is modified by deleting the table entitled "Annual Fund Operating Expenses" and the expense example table in the subsection entitled "Example" and replacing them with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses (Columbia Marsico Global Fund)
Class A Shares
Class C Shares
Class R Shares
Management fees [1] 0.87% 0.87% 0.87%
Distribution and/or service (Rule 12b-1) fees 0.25% 1.00% 0.50%
Other expenses [1] 2.27% 2.27% 2.27%
Total annual Fund operating expenses 3.39% 4.14% 3.64%
Fee waivers and/or reimbursements [2] (1.83%) (1.83%) (1.83%)
Total annual Fund operating expenses after fee waivers and/or reimbursements 1.56% 2.31% 1.81%
[1] Management fees and other expenses have been restated to reflect contractual changes to certain fees paid by the Fund.
[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 June 30, 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 rates of 1.56% for Class A, 2.31% for Class C and 1.81% for Class R.
Expense Example (Columbia Marsico Global Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class A Shares
 [1] 725 1,396 2,090 3,924
Class C Shares
 [1] 334 1,092 1,964 4,212
Class R Shares
 [1] 184 945 1,728 3,779
[1] Since the waivers and/or reimbursements shown in the Annual Fund Operating Expenses table above expire one year from the date of the prospectus, they are only reflected in the 1 year example and the first year of the 3, 5 and 10 year examples.
Expense Example, No Redemption (Columbia Marsico Global Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class C Shares
 [1] 234 1,092 1,964 4,212
[1] Since the waivers and/or reimbursements shown in the Annual Fund Operating Expenses table above expire one year from the date of the prospectus, they are only reflected in the 1 year example and the first year of the 3, 5 and 10 year examples.
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(Columbia Marsico Global Fund)
 

COLUMBIA FUNDS SERIES TRUST

Columbia Marsico Global Fund

(the "Fund")

Supplement dated January 25, 2013 to

the Fund's prospectus dated July 1, 2012, as supplemented

The Fund's prospectus offering Class Z shares is revised and supplemented as follows to reflect certain fee changes effective January 23, 2013:

 
~http://columbia/role/ShareholderFeesDataHHHH column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000022025Member ~

The section of the Fund's prospectus entitled "Fees and Expenses of the Fund" is modified by deleting the table entitled "Annual Fund Operating Expenses" and the expense example table in the subsection entitled "Example" and replacing them with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses (Columbia Marsico Global Fund)
Class Z Shares
Management fees [1] 0.87%
Distribution and/or service (Rule 12b-1) fees none
Other expenses [1] 2.27%
Total annual Fund operating expenses 3.14%
Fee waivers and/or reimbursements [2] (1.83%)
Total annual Fund operating expenses after fee waivers and/or reimbursements 1.31%
[1] Management fees and other expenses have been restated to reflect contractual changes to certain fees paid by the Fund.
[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 June 30, 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 1.31% for Class Z.
Expense Example (Columbia Marsico Global Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class Z Shares
 [1] 133 797 1,485 3,321
[1] Since the waivers and/or reimbursements shown in the Annual Fund Operating Expenses table above expire one year from the date of the prospectus, they are only reflected in the 1 year example and the first year of the 3, 5 and 10 year examples.
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(Columbia Marsico Growth Fund)
 

COLUMBIA FUNDS SERIES TRUST

Columbia Marsico Growth Fund

(the "Fund")

Supplement dated January 25, 2013 to

the Fund's prospectus dated July 1, 2012, as supplemented

The Fund's prospectus offering Class A, B, C, I, R and W shares is revised and supplemented as follows to reflect certain fee changes effective January 23, 2013:

 
~http://columbia/role/ShareholderFeesDataIIII column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010794Member ~

The section of the Fund's prospectus entitled "Fees and Expenses of the Fund" is modified by deleting the table entitled "Annual Fund Operating Expenses" and the expense example table in the subsection entitled "Example" and replacing them with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses (Columbia Marsico Growth Fund)
Class A Shares
Class B Shares
Class C Shares
Class I Shares
Class R Shares
Class W Shares
Management fees [1] 0.66% 0.66% 0.66% 0.66% 0.66% 0.66%
Distribution and/or service (Rule 12b-1) fees 0.25% 1.00% 1.00% none 0.50% 0.25%
Other expenses [1] 0.22% 0.22% 0.22% 0.02% 0.22% 0.22%
Total annual Fund operating expenses 1.13% 1.88% 1.88% 0.68% 1.38% 1.13%
[1] Management fees and other expenses have been restated to reflect contractual changes to certain fees paid by the Fund.
Expense Example (Columbia Marsico Growth Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class A Shares
 684 913 1,161 1,871
Class B Shares
 691 891 1,216 2,005
Class C Shares
 291 591 1,016 2,201
Class I Shares
 69 218 379 847
Class R Shares
 140 437 755 1,657
Class W Shares
 115 359 622 1,375
Expense Example, No Redemption (Columbia Marsico Growth Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class B Shares
 191 591 1,016 2,005
Class C Shares
 191 591 1,016 2,201
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~ http://columbia/role/PerformanceTableDataIIII column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010794Member ~
(Columbia Marsico Growth Fund)
 

COLUMBIA FUNDS SERIES TRUST

Columbia Marsico Growth Fund

(the "Fund")

Supplement dated January 25, 2013 to

the Fund's prospectus dated November 8, 2012, as supplemented

The Fund's prospectus offering Class R4 and R5 shares is revised and supplemented as follows to reflect certain fee changes effective January 23, 2013:

 
~http://columbia/role/ShareholderFeesDataJJJJ column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010794Member ~

The section of the Fund's prospectus entitled "Fees and Expenses of the Fund" is modified by deleting the table entitled "Annual Fund Operating Expenses" and the expense example table in the subsection entitled "Example" and replacing them with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses (Columbia Marsico Growth Fund)
Class R4 Shares
Class R5 Shares
Management fees [1] 0.66% 0.66%
Distribution and/or service (Rule 12b-1) fees none none
Other expenses [2] 0.22% 0.07%
Total annual Fund operating expenses 0.88% 0.73%
[1] Management fees have been restated to reflect contractual changes to investment advisory and administrative fee rates.
[2] Other expenses are based on estimated amounts for the current fiscal year.
Expense Example (Columbia Marsico Growth Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class R4 Shares
 90 281 488 1,084
Class R5 Shares
 75 233 406 906
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~ http://columbia/role/PerformanceTableDataJJJJ column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010794Member ~
(Columbia Marsico Growth Fund)
 

COLUMBIA FUNDS SERIES TRUST

Columbia Marsico Growth Fund

(the "Fund")

Supplement dated January 25, 2013 to

the Fund's prospectus dated July 1, 2012, as supplemented

The Fund's prospectus offering Class Z shares is revised and supplemented as follows to reflect certain fee changes effective January 23, 2013:

 
~http://columbia/role/ShareholderFeesDataKKKK column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010794Member ~

The section of the Fund's prospectus entitled "Fees and Expenses of the Fund" is modified by deleting the table entitled "Annual Fund Operating Expenses" and the expense example table in the subsection entitled "Example" and replacing them with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses (Columbia Marsico Growth Fund)
Class Z Shares
Management fees [1] 0.66%
Distribution and/or service (Rule 12b-1) fees none
Other expenses [1] 0.22%
Total annual Fund operating expenses 0.88%
[1] Management fees and other expenses have been restated to reflect contractual changes to certain fees paid by the Fund.
Expense Example (Columbia Marsico Growth Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class Z Shares
 90 281 488 1,084
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~ http://columbia/role/PerformanceTableDataKKKK column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010794Member ~
(Columbia Marsico International Opportunities Fund)
 

COLUMBIA FUNDS SERIES TRUST

Columbia Marsico International Opportunities Fund

(the "Fund")

Supplement dated January 25, 2013 to

the Fund's prospectus dated July 1, 2012, as supplemented

The Fund's prospectus offering Class A, B, C, I and R shares is revised and supplemented as follows to reflect certain fee changes effective January 23, 2013:

 
~http://columbia/role/ShareholderFeesDataLLLL column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010804Member ~

The section of the Fund's prospectus entitled "Fees and Expenses of the Fund" is modified by deleting the table entitled "Annual Fund Operating Expenses" and the expense example table in the subsection entitled "Example" and replacing them with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses (Columbia Marsico International Opportunities Fund)
Class A Shares
Class B Shares
Class C Shares
Class I Shares
Class R Shares
Management fees [1] 0.85% 0.85% 0.85% 0.85% 0.85%
Distribution and/or service (Rule 12b-1) fees 0.25% 1.00% 1.00% none 0.50%
Other expenses [1] 0.24% 0.24% 0.24% 0.05% 0.24%
Total annual Fund operating expenses 1.34% 2.09% 2.09% 0.90% 1.59%
[1] Management fees and other expenses have been restated to reflect contractual changes to certain fees paid by the Fund.
Expense Example (Columbia Marsico International Opportunities Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class A Shares
 704 975 1,267 2,095
Class B Shares
 712 955 1,324 2,229
Class C Shares
 312 655 1,124 2,421
Class I Shares
 92 287 498 1,108
Class R Shares
 162 502 866 1,889
Expense Example, No Redemption (Columbia Marsico International Opportunities Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class B Shares
 212 655 1,124 2,229
Class C Shares
 212 655 1,124 2,421
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~ http://columbia/role/PerformanceTableDataLLLL column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010804Member ~
(Columbia Marsico International Opportunities Fund)
 

COLUMBIA FUNDS SERIES TRUST

Columbia Marsico International Opportunities Fund

(the "Fund")

Supplement dated January 25, 2013 to

the Fund's prospectus dated November 8, 2012, as supplemented

The Fund's prospectus offering Class R4 shares is revised and supplemented as follows to reflect certain fee changes effective January 23, 2013:

 
~http://columbia/role/ShareholderFeesDataMMMM column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010804Member ~

The section of the Fund's prospectus entitled "Fees and Expenses of the Fund" is modified by deleting the table entitled "Annual Fund Operating Expenses" and the expense example table in the subsection entitled "Example" and replacing them with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses (Columbia Marsico International Opportunities Fund)
Class R4 Shares
Management fees [1] 0.85%
Distribution and/or service (Rule 12b-1) fees none
Other expenses [2] 0.24%
Total annual Fund operating expenses 1.09%
[1] Management fees have been restated to reflect contractual changes to investment advisory and administrative fee rates.
[2] Other expenses are based on estimated amounts for the current fiscal year.
Expense Example (Columbia Marsico International Opportunities Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class R4 Shares
 111 347 601 1,329
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~ http://columbia/role/PerformanceTableDataMMMM column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010804Member ~
(Columbia Marsico International Opportunities Fund)
 

COLUMBIA FUNDS SERIES TRUST

Columbia Marsico International Opportunities Fund

(the "Fund")

Supplement dated January 25, 2013 to

the Fund's prospectus dated July 1, 2012, as supplemented

The Fund's prospectus offering Class Z shares is revised and supplemented as follows to reflect certain fee changes effective January 23, 2013:

 
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The section of the Fund's prospectus entitled "Fees and Expenses of the Fund" is modified by deleting the table entitled "Annual Fund Operating Expenses" and the expense example table in the subsection entitled "Example" and replacing them with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses (Columbia Marsico International Opportunities Fund)
Class Z Shares
Management fees [1] 0.85%
Distribution and/or service (Rule 12b-1) fees none
Other expenses [1] 0.24%
Total annual Fund operating expenses 1.09%
[1] Management fees and other expenses have been restated to reflect contractual changes to certain fees paid by the Fund.
Expense Example (Columbia Marsico International Opportunities Fund) (USD $)
1 Year
3 Years
5 Years
10 Years
Class Z Shares
 111 347 601 1,329
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~ http://columbia/role/PerformanceTableDataNNNN column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact columbia_S000010804Member ~