<SEC-DOCUMENT>0001193125-24-000308-index.html : 20240102
<SEC-HEADER>0001193125-24-000308.hdr.sgml : 20240102
<ACCEPTANCE-DATETIME>20240102091232
ACCESSION NUMBER:		0001193125-24-000308
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240102
DATE AS OF CHANGE:		20240102
EFFECTIVENESS DATE:		20240102

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLUMBIA FUNDS SERIES TRUST
		CENTRAL INDEX KEY:			0001097519
		ORGANIZATION NAME:           	
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-89661
		FILM NUMBER:		24500540

	BUSINESS ADDRESS:	
		STREET 1:		290 CONGRESS STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		800-345-6611

	MAIL ADDRESS:	
		STREET 1:		290 CONGRESS STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NATIONS FUNDS TRUST
		DATE OF NAME CHANGE:	19991022

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Columbia Funds Series Trust II
		CENTRAL INDEX KEY:			0001352280
		ORGANIZATION NAME:           	
		IRS NUMBER:				204384176
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0430

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-131683
		FILM NUMBER:		24500541

	BUSINESS ADDRESS:	
		STREET 1:		290 CONGRESS STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		800-345-6611

	MAIL ADDRESS:	
		STREET 1:		290 CONGRESS STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RIVERSOURCE SERIES TRUST
		DATE OF NAME CHANGE:	20070928

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RIVERSOURCE RETIREMENT SERIES TRUST
		DATE OF NAME CHANGE:	20060801

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RiverSource Retirement Series Trust
		DATE OF NAME CHANGE:	20060206

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLUMBIA ACORN TRUST
		CENTRAL INDEX KEY:			0000002110
		ORGANIZATION NAME:           	
		IRS NUMBER:				362692100
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-34223
		FILM NUMBER:		24500543

	BUSINESS ADDRESS:	
		STREET 1:		71 S. WACKER DRIVE, SUITE 2500
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		3126349200

	MAIL ADDRESS:	
		STREET 1:		71 S. WACKER DRIVE, SUITE 2500
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LIBERTY ACORN TRUST
		DATE OF NAME CHANGE:	20010424

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ACORN INVESTMENT TRUST
		DATE OF NAME CHANGE:	19940204

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ACORN FUND INC
		DATE OF NAME CHANGE:	19920703

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLUMBIA FUNDS SERIES TRUST I
		CENTRAL INDEX KEY:			0000773757
		ORGANIZATION NAME:           	
		IRS NUMBER:				363376651
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-99356
		FILM NUMBER:		24500542

	BUSINESS ADDRESS:	
		STREET 1:		290 CONGRESS STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		800-345-6611

	MAIL ADDRESS:	
		STREET 1:		290 CONGRESS STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLUMBIA FUNDS TRUST IX
		DATE OF NAME CHANGE:	20031107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LIBERTY STEIN ROE FUNDS MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19991025

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STEINROE MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19920703
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<SERIES-ID>S000009184
<SERIES-NAME>Columbia Acorn Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024954
<CLASS-CONTRACT-NAME>Columbia Acorn Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>LACAX
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<CLASS-CONTRACT-ID>C000024956
<CLASS-CONTRACT-NAME>Columbia Acorn Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>LIACX
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024957
<CLASS-CONTRACT-NAME>Columbia Acorn Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>ACRNX
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<CLASS-CONTRACT-ID>C000122735
<CLASS-CONTRACT-NAME>Columbia Acorn Fund Advisor Class
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<CLASS-CONTRACT-ID>C000122736
<CLASS-CONTRACT-NAME>Columbia Acorn Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CRBRX
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<CLASS-CONTRACT-ID>C000122737
<CLASS-CONTRACT-NAME>Columbia Acorn Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CRBYX
</CLASS-CONTRACT>
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<SERIES>
<OWNER-CIK>0000002110
<SERIES-ID>S000009185
<SERIES-NAME>Columbia Acorn International
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024958
<CLASS-CONTRACT-NAME>Columbia Acorn International Class A
<CLASS-CONTRACT-TICKER-SYMBOL>LAIAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024960
<CLASS-CONTRACT-NAME>Columbia Acorn International Class C
<CLASS-CONTRACT-TICKER-SYMBOL>LAICX
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<CLASS-CONTRACT-ID>C000024961
<CLASS-CONTRACT-NAME>Columbia Acorn International Institutional Class
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<CLASS-CONTRACT-ID>C000097732
<CLASS-CONTRACT-NAME>Columbia Acorn International Class R
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<CLASS-CONTRACT-ID>C000097733
<CLASS-CONTRACT-NAME>Columbia Acorn International Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CAIRX
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122738
<CLASS-CONTRACT-NAME>Columbia Acorn International Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CCIRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122739
<CLASS-CONTRACT-NAME>Columbia Acorn International Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CCYIX
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<OWNER-CIK>0000002110
<SERIES-ID>S000009188
<SERIES-NAME>Columbia Acorn International Select
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<CLASS-CONTRACT-ID>C000024970
<CLASS-CONTRACT-NAME>Columbia Acorn International Select Class A
<CLASS-CONTRACT-TICKER-SYMBOL>LAFAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024972
<CLASS-CONTRACT-NAME>Columbia Acorn International Select Class C
<CLASS-CONTRACT-TICKER-SYMBOL>LFFCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024973
<CLASS-CONTRACT-NAME>Columbia Acorn International Select Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>ACFFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122746
<CLASS-CONTRACT-NAME>Columbia Acorn International Select Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CRIRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122747
<CLASS-CONTRACT-NAME>Columbia Acorn International Select Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CSIRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122748
<CLASS-CONTRACT-NAME>Columbia Acorn International Select Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CILRX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000002110
<SERIES-ID>S000009189
<SERIES-NAME>Columbia Thermostat Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024974
<CLASS-CONTRACT-NAME>Columbia Thermostat Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CTFAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024976
<CLASS-CONTRACT-NAME>Columbia Thermostat Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CTFDX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024977
<CLASS-CONTRACT-NAME>Columbia Thermostat Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>COTZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122749
<CLASS-CONTRACT-NAME>Columbia Thermostat Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CTORX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122750
<CLASS-CONTRACT-NAME>Columbia Thermostat Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CQTRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122751
<CLASS-CONTRACT-NAME>Columbia Thermostat Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CYYYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000002110
<SERIES-ID>S000033621
<SERIES-NAME>Columbia Acorn European Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000103324
<CLASS-CONTRACT-NAME>Columbia Acorn European Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CAEAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000103325
<CLASS-CONTRACT-NAME>Columbia Acorn European Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CAECX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000103327
<CLASS-CONTRACT-NAME>Columbia Acorn European Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CAEZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122752
<CLASS-CONTRACT-NAME>Columbia Acorn European Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CAEEX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000144049
<CLASS-CONTRACT-NAME>Columbia Acorn European Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CLOFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000171393
<CLASS-CONTRACT-NAME>Columbia Acorn European Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CAEYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000010615
<SERIES-NAME>Columbia High Yield Municipal Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029350
<CLASS-CONTRACT-NAME>Columbia High Yield Municipal Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>LHIAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029352
<CLASS-CONTRACT-NAME>Columbia High Yield Municipal Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CHMCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029353
<CLASS-CONTRACT-NAME>Columbia High Yield Municipal Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>SRHMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122656
<CLASS-CONTRACT-NAME>Columbia High Yield Municipal Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CHMYX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126463
<CLASS-CONTRACT-NAME>Columbia High Yield Municipal Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CHIYX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000175730
<CLASS-CONTRACT-NAME>Columbia High Yield Municipal Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CHHYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000010620
<SERIES-NAME>Columbia Tax-Exempt Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029373
<CLASS-CONTRACT-NAME>Columbia Tax-Exempt Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>COLTX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029375
<CLASS-CONTRACT-NAME>Columbia Tax-Exempt Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>COLCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029376
<CLASS-CONTRACT-NAME>Columbia Tax-Exempt Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CTEZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126464
<CLASS-CONTRACT-NAME>Columbia Tax-Exempt Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CTERX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000136874
<CLASS-CONTRACT-NAME>Columbia Tax-Exempt Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CADMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000177149
<CLASS-CONTRACT-NAME>Columbia Tax-Exempt Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CTEYX
</CLASS-CONTRACT>
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<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000010621
<SERIES-NAME>Columbia Strategic California Municipal Income Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029377
<CLASS-CONTRACT-NAME>Columbia Strategic California Municipal Income Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CLMPX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029379
<CLASS-CONTRACT-NAME>Columbia Strategic California Municipal Income Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CCAOX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029380
<CLASS-CONTRACT-NAME>Columbia Strategic California Municipal Income Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CCAZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126465
<CLASS-CONTRACT-NAME>Columbia Strategic California Municipal Income Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CCARX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000169172
<CLASS-CONTRACT-NAME>Columbia Strategic California Municipal Income Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CCAUX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000184727
<CLASS-CONTRACT-NAME>Columbia Strategic California Municipal Income Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CCXYX
</CLASS-CONTRACT>
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<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000010623
<SERIES-NAME>Columbia Intermediate Duration Municipal Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029387
<CLASS-CONTRACT-NAME>Columbia Intermediate Duration Municipal Bond Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>LITAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029389
<CLASS-CONTRACT-NAME>Columbia Intermediate Duration Municipal Bond Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>LITCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029392
<CLASS-CONTRACT-NAME>Columbia Intermediate Duration Municipal Bond Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>SETMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122658
<CLASS-CONTRACT-NAME>Columbia Intermediate Duration Municipal Bond Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CTMRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126466
<CLASS-CONTRACT-NAME>Columbia Intermediate Duration Municipal Bond Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CIMRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000184729
<CLASS-CONTRACT-NAME>Columbia Intermediate Duration Municipal Bond Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CIMYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000012071
<SERIES-NAME>Columbia Oregon Intermediate Municipal Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032858
<CLASS-CONTRACT-NAME>Columbia Oregon Intermediate Municipal Bond Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>COEAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032860
<CLASS-CONTRACT-NAME>Columbia Oregon Intermediate Municipal Bond Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CORCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032862
<CLASS-CONTRACT-NAME>Columbia Oregon Intermediate Municipal Bond Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CMBFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122662
<CLASS-CONTRACT-NAME>Columbia Oregon Intermediate Municipal Bond Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CODRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126468
<CLASS-CONTRACT-NAME>Columbia Oregon Intermediate Municipal Bond Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CORMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000177150
<CLASS-CONTRACT-NAME>Columbia Oregon Intermediate Municipal Bond Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CORYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000012072
<SERIES-NAME>Columbia Real Estate Equity Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032863
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CREAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032865
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CRECX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032867
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CREEX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000094672
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Class R
<CLASS-CONTRACT-TICKER-SYMBOL>CRSRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000094674
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CRRVX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122663
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CRERX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000171305
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CREYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000012079
<SERIES-NAME>Columbia Dividend Income Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032900
<CLASS-CONTRACT-NAME>Columbia Dividend Income Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>LBSAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032902
<CLASS-CONTRACT-NAME>Columbia Dividend Income Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>LBSCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032905
<CLASS-CONTRACT-NAME>Columbia Dividend Income Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>GSFTX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061836
<CLASS-CONTRACT-NAME>Columbia Dividend Income Fund Class R
<CLASS-CONTRACT-TICKER-SYMBOL>CDIRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122669
<CLASS-CONTRACT-NAME>Columbia Dividend Income Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CVIRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122670
<CLASS-CONTRACT-NAME>Columbia Dividend Income Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CDDRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122671
<CLASS-CONTRACT-NAME>Columbia Dividend Income Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CDDYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000012081
<SERIES-NAME>Columbia Large Cap Growth Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032910
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>LEGAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032912
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>LEGCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032915
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>GEGTX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000078989
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CGFYX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000094688
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Class R
<CLASS-CONTRACT-TICKER-SYMBOL>CGWRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000094690
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CLWFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122672
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CCGRX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000012087
<SERIES-NAME>Columbia Massachusetts Intermediate Municipal Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032942
<CLASS-CONTRACT-NAME>Columbia Massachusetts Intermediate Municipal Bond Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>LMIAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032944
<CLASS-CONTRACT-NAME>Columbia Massachusetts Intermediate Municipal Bond Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>LMICX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032947
<CLASS-CONTRACT-NAME>Columbia Massachusetts Intermediate Municipal Bond Fund Institutional Class
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<CLASS-CONTRACT-ID>C000169175
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<CLASS-CONTRACT-ID>C000032971
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000106577
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126473
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000184733
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<CLASS-CONTRACT-ID>C000032981
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032982
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<CLASS-CONTRACT-ID>C000122677
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122678
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<CLASS-CONTRACT-ID>C000122679
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032985
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032986
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032987
<CLASS-CONTRACT-NAME>Columbia Total Return Bond Fund Institutional Class
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000121793
<CLASS-CONTRACT-NAME>Columbia Total Return Bond Fund Advisor Class
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000121794
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122680
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<CLASS-CONTRACT-ID>C000032990
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032991
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122681
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174616
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000033007
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000033008
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000078991
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000094701
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122682
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122683
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<CLASS-CONTRACT-ID>C000061818
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061820
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061821
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122687
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122688
<CLASS-CONTRACT-NAME>Columbia Select Large Cap Growth Fund Institutional 2 Class
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122689
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<CLASS-CONTRACT-ID>C000061833
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061834
<CLASS-CONTRACT-NAME>Columbia Bond Fund Class C
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000061835
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000078993
<CLASS-CONTRACT-NAME>Columbia Bond Fund Institutional 3 Class
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000109452
<CLASS-CONTRACT-NAME>Columbia Bond Fund Class R
<CLASS-CONTRACT-TICKER-SYMBOL>CBFRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122693
<CLASS-CONTRACT-NAME>Columbia Bond Fund Advisor Class
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122694
<CLASS-CONTRACT-NAME>Columbia Bond Fund Institutional 2 Class
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<CLASS-CONTRACT-ID>C000082083
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000206531
<CLASS-CONTRACT-NAME>Columbia Ultra Short Term Bond Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CUSHX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000206532
<CLASS-CONTRACT-NAME>Columbia Ultra Short Term Bond Fund Institutional Class
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000210388
<CLASS-CONTRACT-NAME>Columbia Ultra Short Term Bond Fund Class A
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</CLASS-CONTRACT>
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<CLASS-CONTRACT-ID>C000114818
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000114819
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000114821
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000114823
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000114825
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000147083
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000147084
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<CLASS-CONTRACT-ID>C000151801
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151802
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151804
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151805
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151806
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151808
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151809
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<CLASS-CONTRACT-ID>C000029775
<CLASS-CONTRACT-NAME>Columbia Capital Allocation Moderate Aggressive Portfolio Class A
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029777
<CLASS-CONTRACT-NAME>Columbia Capital Allocation Moderate Aggressive Portfolio Class C
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029778
<CLASS-CONTRACT-NAME>Columbia Capital Allocation Moderate Aggressive Portfolio Class R
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029779
<CLASS-CONTRACT-NAME>Columbia Capital Allocation Moderate Aggressive Portfolio Institutional Class
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122566
<CLASS-CONTRACT-NAME>Columbia Capital Allocation Moderate Aggressive Portfolio Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CGBRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122567
<CLASS-CONTRACT-NAME>Columbia Capital Allocation Moderate Aggressive Portfolio Institutional 2 Class
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000129843
<CLASS-CONTRACT-NAME>Columbia Capital Allocation Moderate Aggressive Portfolio Institutional 3 Class
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<CLASS-CONTRACT-ID>C000029788
<CLASS-CONTRACT-NAME>Columbia Short Term Bond Fund Class A
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029790
<CLASS-CONTRACT-NAME>Columbia Short Term Bond Fund Class C
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029791
<CLASS-CONTRACT-NAME>Columbia Short Term Bond Fund Institutional Class
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000079024
<CLASS-CONTRACT-NAME>Columbia Short Term Bond Fund Institutional 3 Class
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000094638
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122568
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122569
<CLASS-CONTRACT-NAME>Columbia Short Term Bond Fund Institutional 2 Class
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<CLASS-CONTRACT-ID>C000029792
<CLASS-CONTRACT-NAME>Columbia Short Duration Municipal Bond Fund Class A
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029794
<CLASS-CONTRACT-NAME>Columbia Short Duration Municipal Bond Fund Class C
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029795
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122570
<CLASS-CONTRACT-NAME>Columbia Short Duration Municipal Bond Fund Institutional 2 Class
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126454
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174632
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<CLASS-CONTRACT-ID>C000029800
<CLASS-CONTRACT-NAME>Columbia California Intermediate Municipal Bond Fund Class A
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029802
<CLASS-CONTRACT-NAME>Columbia California Intermediate Municipal Bond Fund Class C
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029803
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122571
<CLASS-CONTRACT-NAME>Columbia California Intermediate Municipal Bond Fund Institutional 2 Class
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126455
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174633
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<CLASS-CONTRACT-ID>C000029837
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029839
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029840
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000109944
<CLASS-CONTRACT-NAME>Columbia Convertible Securities Fund Class R
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122574
<CLASS-CONTRACT-NAME>Columbia Convertible Securities Fund Advisor Class
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122575
<CLASS-CONTRACT-NAME>Columbia Convertible Securities Fund Institutional 2 Class
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000149202
<CLASS-CONTRACT-NAME>Columbia Convertible Securities Fund Institutional 3 Class
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<CLASS-CONTRACT-ID>C000029850
<CLASS-CONTRACT-NAME>Columbia Select Mid Cap Value Fund Class A
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029852
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029853
<CLASS-CONTRACT-NAME>Columbia Select Mid Cap Value Fund Class R
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</CLASS-CONTRACT>
<CLASS-CONTRACT>
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<CLASS-CONTRACT>
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<CLASS-CONTRACT>
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<CLASS-CONTRACT>
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<CLASS-CONTRACT>
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<CLASS-CONTRACT-ID>C000122757
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<CLASS-CONTRACT-ID>C000097593
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<CLASS-CONTRACT-ID>C000097594
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000149224
<CLASS-CONTRACT-NAME>Columbia Select Small Cap Value Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CSSYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001352280
<SERIES-ID>S000033328
<SERIES-NAME>Columbia Commodity Strategy Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000117664
<CLASS-CONTRACT-NAME>Columbia Commodity Strategy Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CCSAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000117665
<CLASS-CONTRACT-NAME>Columbia Commodity Strategy Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CCSCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000117666
<CLASS-CONTRACT-NAME>Columbia Commodity Strategy Fund Class R
<CLASS-CONTRACT-TICKER-SYMBOL>CCSRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000117667
<CLASS-CONTRACT-NAME>Columbia Commodity Strategy Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CCSZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126957
<CLASS-CONTRACT-NAME>Columbia Commodity Strategy Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CCOMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000138343
<CLASS-CONTRACT-NAME>Columbia Commodity Strategy Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CADLX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000149225
<CLASS-CONTRACT-NAME>Columbia Commodity Strategy Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CCFYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001352280
<SERIES-ID>S000033329
<SERIES-NAME>Columbia Flexible Capital Income Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000102391
<CLASS-CONTRACT-NAME>Columbia Flexible Capital Income Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CFIAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000102392
<CLASS-CONTRACT-NAME>Columbia Flexible Capital Income Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CFIGX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000102394
<CLASS-CONTRACT-NAME>Columbia Flexible Capital Income Fund Class R
<CLASS-CONTRACT-TICKER-SYMBOL>CFIRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000102395
<CLASS-CONTRACT-NAME>Columbia Flexible Capital Income Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CFIZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000121143
<CLASS-CONTRACT-NAME>Columbia Flexible Capital Income Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CFCRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000121144
<CLASS-CONTRACT-NAME>Columbia Flexible Capital Income Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CFXRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000175683
<CLASS-CONTRACT-NAME>Columbia Flexible Capital Income Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CFCYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001352280
<SERIES-ID>S000045258
<SERIES-NAME>Columbia Mortgage Opportunities Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000140950
<CLASS-CONTRACT-NAME>Columbia Mortgage Opportunities Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CLMAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000140951
<CLASS-CONTRACT-NAME>Columbia Mortgage Opportunities Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CLMCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000140953
<CLASS-CONTRACT-NAME>Columbia Mortgage Opportunities Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CLMFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000140954
<CLASS-CONTRACT-NAME>Columbia Mortgage Opportunities Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CLMVX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000140955
<CLASS-CONTRACT-NAME>Columbia Mortgage Opportunities Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CLMZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000175684
<CLASS-CONTRACT-NAME>Columbia Mortgage Opportunities Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CMOYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001352280
<SERIES-ID>S000061338
<SERIES-NAME>Columbia Overseas Core Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000198586
<CLASS-CONTRACT-NAME>Columbia Overseas Core Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>COSAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000198587
<CLASS-CONTRACT-NAME>Columbia Overseas Core Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>COSDX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000198588
<CLASS-CONTRACT-NAME>Columbia Overseas Core Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>COSCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000198589
<CLASS-CONTRACT-NAME>Columbia Overseas Core Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>COSNX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000198590
<CLASS-CONTRACT-NAME>Columbia Overseas Core Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>COSTX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000198591
<CLASS-CONTRACT-NAME>Columbia Overseas Core Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>COSOX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000198592
<CLASS-CONTRACT-NAME>Columbia Overseas Core Fund Class R
<CLASS-CONTRACT-TICKER-SYMBOL>COSRX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>d599127d497.htm
<DESCRIPTION>COLUMBIA FUNDS SERIES TRUST
<TEXT>
Document 1 - file: d599127d497.htm
</DOCUMENT> </SEC-DOCUMENT>