<SEC-DOCUMENT>0001445546-22-002037-index.html : 20220314
<SEC-HEADER>0001445546-22-002037.hdr.sgml : 20220314
<ACCEPTANCE-DATETIME>20220314151718
ACCESSION NUMBER:		0001445546-22-002037
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20220314
DATE AS OF CHANGE:		20220314
EFFECTIVENESS DATE:		20220314

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST TRUST EXCHANGE-TRADED ALPHADEX FUND
		CENTRAL INDEX KEY:			0001383496
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-140895
		FILM NUMBER:		22736320

	BUSINESS ADDRESS:	
		STREET 1:		120 EAST LIBERTY DRIVE, SUITE 400
		CITY:			WHEATON
		STATE:			IL
		ZIP:			60187
		BUSINESS PHONE:		630-765-8000

	MAIL ADDRESS:	
		STREET 1:		120 EAST LIBERTY DRIVE, SUITE 400
		CITY:			WHEATON
		STATE:			IL
		ZIP:			60187
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017337
<SERIES-NAME>First Trust Large Cap Core AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000047995
<CLASS-CONTRACT-NAME>First Trust Large Cap Core AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FEX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017338
<SERIES-NAME>First Trust Mid Cap Core AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000047996
<CLASS-CONTRACT-NAME>First Trust Mid Cap Core AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FNX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017339
<SERIES-NAME>First Trust Small Cap Core AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000047997
<CLASS-CONTRACT-NAME>First Trust Small Cap Core AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017340
<SERIES-NAME>First Trust Large Cap Value AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000047998
<CLASS-CONTRACT-NAME>First Trust Large Cap Value AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FTA
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017341
<SERIES-NAME>First Trust Large Cap Growth AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000047999
<CLASS-CONTRACT-NAME>First Trust Large Cap Growth AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FTC
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017342
<SERIES-NAME>First Trust Multi Cap Value AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048000
<CLASS-CONTRACT-NAME>First Trust Multi Cap Value AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FAB
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017343
<SERIES-NAME>First Trust Multi Cap Growth AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048001
<CLASS-CONTRACT-NAME>First Trust Multi Cap Growth AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FAD
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017696
<SERIES-NAME>First Trust Consumer Discretionary AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048896
<CLASS-CONTRACT-NAME>First Trust Consumer Discretionary AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXD
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017697
<SERIES-NAME>First Trust Consumer Staples AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048897
<CLASS-CONTRACT-NAME>First Trust Consumer Staples AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXG
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017698
<SERIES-NAME>First Trust Energy AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048898
<CLASS-CONTRACT-NAME>First Trust Energy AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXN
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017699
<SERIES-NAME>First Trust Financials AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048899
<CLASS-CONTRACT-NAME>First Trust Financials AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXO
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017700
<SERIES-NAME>First Trust Health Care AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048900
<CLASS-CONTRACT-NAME>First Trust Health Care AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXH
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017701
<SERIES-NAME>First Trust Industrials/Producer Durables AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048901
<CLASS-CONTRACT-NAME>First Trust Industrials/Producer Durables AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXR
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017702
<SERIES-NAME>First Trust Materials AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048902
<CLASS-CONTRACT-NAME>First Trust Materials AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXZ
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017703
<SERIES-NAME>First Trust Technology AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048903
<CLASS-CONTRACT-NAME>First Trust Technology AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXL
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017704
<SERIES-NAME>First Trust Utilities AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048904
<CLASS-CONTRACT-NAME>First Trust Utilities AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXU
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000031804
<SERIES-NAME>First Trust Mid Cap Growth AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000099059
<CLASS-CONTRACT-NAME>First Trust Mid Cap Growth AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FNY
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000031805
<SERIES-NAME>First Trust Mid Cap Value AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000099060
<CLASS-CONTRACT-NAME>First Trust Mid Cap Value AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FNK
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000031806
<SERIES-NAME>First Trust Small Cap Growth AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000099061
<CLASS-CONTRACT-NAME>First Trust Small Cap Growth AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FYC
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000031807
<SERIES-NAME>First Trust Small Cap Value AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000099062
<CLASS-CONTRACT-NAME>First Trust Small Cap Value AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FYT
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>adex_497e.htm
<DESCRIPTION>SUPPLEMENT TO SAI
<TEXT>
Document 1 - file: adex_497e.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>cac.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: cac.jpg
</DOCUMENT> </SEC-DOCUMENT>