<SEC-DOCUMENT>0001445546-17-005339-index.html : 20171201
<SEC-HEADER>0001445546-17-005339.hdr.sgml : 20171201
<ACCEPTANCE-DATETIME>20171201150505
ACCESSION NUMBER:		0001445546-17-005339
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		26
FILED AS OF DATE:		20171201
DATE AS OF CHANGE:		20171201
EFFECTIVENESS DATE:		20171201

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:		171233975

	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 Opportunities 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>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000032963
<SERIES-NAME>First Trust Mega Cap AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000101702
<CLASS-CONTRACT-NAME>First Trust Mega Cap AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FMK
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>adex_497c.htm
<DESCRIPTION>DEFINITIVE MATERIALS
<TEXT>
Document 1 - file: adex_497c.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>img01c3b3e122.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: img01c3b3e122.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>img08fd56ee18.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: img08fd56ee18.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>img0c1927bd5.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: img0c1927bd5.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>img0e468b8a6.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: img0e468b8a6.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>img227caa9b15.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: img227caa9b15.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>img240520a613.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: img240520a613.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>img2a37967a1.gif <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: img2a37967a1.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>img31c0b10f10.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: img31c0b10f10.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>img4566077e21.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: img4566077e21.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>img50c814e33.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: img50c814e33.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>img526b4d7620.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: img526b4d7620.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>img7461319c11.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: img7461319c11.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>img7dbb602f19.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: img7dbb602f19.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>img7ecbde9214.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: img7ecbde9214.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>img8591896c9.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: img8591896c9.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>img901c0f072.gif <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: img901c0f072.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>img9bd424881.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: img9bd424881.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>img9e52a7c016.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: img9e52a7c016.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>imga01677297.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: imga01677297.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>imgad94f55123.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: imgad94f55123.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>imgc238c44112.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: imgc238c44112.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>imgc7e86d7717.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: imgc7e86d7717.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>imgcdcd2edd8.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 25 - file: imgcdcd2edd8.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>imgeca284284.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 26 - file: imgeca284284.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>smalllogo_color.gif <DESCRIPTION>GRAPHIC <TEXT> Document 27 - file: smalllogo_color.gif
</DOCUMENT> </SEC-DOCUMENT>