<SEC-DOCUMENT>0001193125-19-155271-index.html : 20190523
<SEC-HEADER>0001193125-19-155271.hdr.sgml : 20190523
<ACCEPTANCE-DATETIME>20190523155107
ACCESSION NUMBER:		0001193125-19-155271
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		19
FILED AS OF DATE:		20190523
DATE AS OF CHANGE:		20190523
EFFECTIVENESS DATE:		20190523

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Natixis Funds Trust I
		CENTRAL INDEX KEY:			0000770540
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-98326
		FILM NUMBER:		19849952

	BUSINESS ADDRESS:	
		STREET 1:		888 BOYLSTON STREET
		STREET 2:		8TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		617-449-2810

	MAIL ADDRESS:	
		STREET 1:		888 BOYLSTON STREET
		STREET 2:		8TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IXIS Advisor Funds Trust I
		DATE OF NAME CHANGE:	20050502

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CDC NVEST FUNDS TRUST I
		DATE OF NAME CHANGE:	20010503

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NVEST FUNDS TRUST I
		DATE OF NAME CHANGE:	20000202
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<SERIES-NAME>Loomis Sayles Multi-Asset Income Fund
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<CLASS-CONTRACT-NAME>Class A
<CLASS-CONTRACT-TICKER-SYMBOL>IIDPX
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<CLASS-CONTRACT-TICKER-SYMBOL>CIDPX
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<OWNER-CIK>0000770540
<SERIES-ID>S000006658
<SERIES-NAME>Natixis U.S. Equity Opportunities Fund
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<SERIES-ID>S000006661
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<OWNER-CIK>0000770540
<SERIES-ID>S000030606
<SERIES-NAME>Natixis Oakmark International Fund
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<CLASS-CONTRACT-TICKER-SYMBOL>NIONX
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<SERIES>
<OWNER-CIK>0000770540
<SERIES-ID>S000053352
<SERIES-NAME>Mirova Global Sustainable Equity Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000167845
<CLASS-CONTRACT-NAME>Class A
<CLASS-CONTRACT-TICKER-SYMBOL>ESGMX
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<CLASS-CONTRACT-ID>C000167846
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<OWNER-CIK>0000770540
<SERIES-ID>S000056426
<SERIES-NAME>Mirova Global Green Bond Fund
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<OWNER-CIK>0000770540
<SERIES-ID>S000063873
<SERIES-NAME>Mirova International Sustainable Equity Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000206846
<CLASS-CONTRACT-NAME>Class N
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<CLASS-CONTRACT-ID>C000206848
<CLASS-CONTRACT-NAME>Class A
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</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>d738222d497.htm
<DESCRIPTION>NATIXIS FUNDS TRUST I
<TEXT>
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