<SEC-DOCUMENT>0001193125-18-172972-index.html : 20180524
<SEC-HEADER>0001193125-18-172972.hdr.sgml : 20180524
<ACCEPTANCE-DATETIME>20180524100156
ACCESSION NUMBER:		0001193125-18-172972
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180524
DATE AS OF CHANGE:		20180524
EFFECTIVENESS DATE:		20180524

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLUMBIA FUNDS SERIES TRUST I
		CENTRAL INDEX KEY:			0000773757
		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:		18856880

	BUSINESS ADDRESS:	
		STREET 1:		225 FRANKLIN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		800-345-6611

	MAIL ADDRESS:	
		STREET 1:		225 FRANKLIN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	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
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000037262
<SERIES-NAME>Columbia Adaptive Risk Allocation Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000114818
<CLASS-CONTRACT-NAME>Columbia Adaptive Risk Allocation Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CRAAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000114819
<CLASS-CONTRACT-NAME>Columbia Adaptive Risk Allocation Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CRACX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000114821
<CLASS-CONTRACT-NAME>Columbia Adaptive Risk Allocation Fund Class R
<CLASS-CONTRACT-TICKER-SYMBOL>CRKRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000114823
<CLASS-CONTRACT-NAME>Columbia Adaptive Risk Allocation Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CRDRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000114824
<CLASS-CONTRACT-NAME>Columbia Adaptive Risk Allocation Fund Class T
<CLASS-CONTRACT-TICKER-SYMBOL>CRAWX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000114825
<CLASS-CONTRACT-NAME>Columbia Adaptive Risk Allocation Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CRAZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000147083
<CLASS-CONTRACT-NAME>Columbia Adaptive Risk Allocation Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CARRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000147084
<CLASS-CONTRACT-NAME>Columbia Adaptive Risk Allocation Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CARYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000044269
<SERIES-NAME>Columbia Diversified Real Return Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000137909
<CLASS-CONTRACT-NAME>Columbia Diversified Real Return Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CDRAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000137910
<CLASS-CONTRACT-NAME>Columbia Diversified Real Return Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CDRCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000137911
<CLASS-CONTRACT-NAME>Columbia Diversified Real Return Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CDRRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000137912
<CLASS-CONTRACT-NAME>Columbia Diversified Real Return Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CDRFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000137913
<CLASS-CONTRACT-NAME>Columbia Diversified Real Return Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CDRZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000144709
<CLASS-CONTRACT-NAME>Columbia Diversified Real Return Fund Class T
<CLASS-CONTRACT-TICKER-SYMBOL>CDTWX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000172342
<CLASS-CONTRACT-NAME>Columbia Diversified Real Return Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CDRYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000048058
<SERIES-NAME>Columbia Alternative Beta Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151801
<CLASS-CONTRACT-NAME>Columbia Alternative Beta Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CLAAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151802
<CLASS-CONTRACT-NAME>Columbia Alternative Beta Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CLABX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151804
<CLASS-CONTRACT-NAME>Columbia Alternative Beta Fund Class R
<CLASS-CONTRACT-TICKER-SYMBOL>CRRLX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151805
<CLASS-CONTRACT-NAME>Columbia Alternative Beta Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CLFUX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151806
<CLASS-CONTRACT-NAME>Columbia Alternative Beta Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CLIVX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151807
<CLASS-CONTRACT-NAME>Columbia Alternative Beta Fund Class T
<CLASS-CONTRACT-TICKER-SYMBOL>CLAWX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151808
<CLASS-CONTRACT-NAME>Columbia Alternative Beta Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CLAYX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151809
<CLASS-CONTRACT-NAME>Columbia Alternative Beta Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CLAZX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000048059
<SERIES-NAME>Columbia Diversified Absolute Return Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151810
<CLASS-CONTRACT-NAME>Columbia Diversified Absolute Return Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CDUAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151811
<CLASS-CONTRACT-NAME>Columbia Diversified Absolute Return Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CDUCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151813
<CLASS-CONTRACT-NAME>Columbia Diversified Absolute Return Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CDUFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151814
<CLASS-CONTRACT-NAME>Columbia Diversified Absolute Return Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CDUGX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151815
<CLASS-CONTRACT-NAME>Columbia Diversified Absolute Return Fund Class T
<CLASS-CONTRACT-TICKER-SYMBOL>CDUWX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151816
<CLASS-CONTRACT-NAME>Columbia Diversified Absolute Return Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CDUZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000175731
<CLASS-CONTRACT-NAME>Columbia Diversified Absolute Return Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CDAYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000048611
<SERIES-NAME>Columbia Multi-Asset Income Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000153248
<CLASS-CONTRACT-NAME>Columbia Multi-Asset Income Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CLNAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000153249
<CLASS-CONTRACT-NAME>Columbia Multi-Asset Income Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CLCNX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000153251
<CLASS-CONTRACT-NAME>Columbia Multi-Asset Income Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CLNFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000153252
<CLASS-CONTRACT-NAME>Columbia Multi-Asset Income Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CLNVX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000153253
<CLASS-CONTRACT-NAME>Columbia Multi-Asset Income Fund Class T
<CLASS-CONTRACT-TICKER-SYMBOL>CLNWX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000153254
<CLASS-CONTRACT-NAME>Columbia Multi-Asset Income Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CLNZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174617
<CLASS-CONTRACT-NAME>Columbia Multi-Asset Income Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CMUYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000059353
<SERIES-NAME>Columbia Adaptive Retirement 2020 Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000194738
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2020 Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CARGX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000194739
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2020 Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CARHX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000059354
<SERIES-NAME>Columbia Adaptive Retirement 2030 Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000194740
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2030 Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CARLX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000194741
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2030 Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CARMX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000059355
<SERIES-NAME>Columbia Adaptive Retirement 2040 Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000194742
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2040 Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CAROX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000194743
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2040 Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CARQX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000059356
<SERIES-NAME>Columbia Adaptive Retirement 2050 Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000194744
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2050 Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CARSX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000194745
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2050 Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CARUX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000059357
<SERIES-NAME>Columbia Adaptive Retirement 2060 Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000194746
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2060 Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CARVX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000194747
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2060 Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CARKX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000059358
<SERIES-NAME>Columbia Solutions Aggressive Portfolio
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000194748
<CLASS-CONTRACT-NAME>Columbia Solutions Aggressive Portfolio
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000059359
<SERIES-NAME>Columbia Solutions Conservative Portfolio
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000194749
<CLASS-CONTRACT-NAME>Columbia Solutions Conservative Portfolio
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000061632
<SERIES-NAME>Columbia Adaptive Retirement 2025 Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000199605
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2025 Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CAAHX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000199606
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2025 Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CAIDX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000061633
<SERIES-NAME>Columbia Adaptive Retirement 2035 Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000199607
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2035 Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CARJX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000199608
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2035 Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CAIEX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000061634
<SERIES-NAME>Columbia Adaptive Retirement 2045 Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000199609
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2045 Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CARPX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000199610
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2045 Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CAIHX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000061635
<SERIES-NAME>Columbia Adaptive Retirement 2055 Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000199611
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2055 Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CARFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000199612
<CLASS-CONTRACT-NAME>Columbia Adaptive Retirement 2055 Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CAIJX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>d531005d497.htm
<DESCRIPTION>CFST I
<TEXT>
Document 1 - file: d531005d497.htm
</DOCUMENT> </SEC-DOCUMENT>