    <SEC-DOCUMENT>0001193125-17-158972-index.html : 20170504
    <SEC-HEADER>0001193125-17-158972.hdr.sgml : 20170504
    <ACCEPTANCE-DATETIME>20170504171426
    ACCESSION NUMBER:		0001193125-17-158972
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		29
    FILED AS OF DATE:		20170504
    DATE AS OF CHANGE:		20170504
    EFFECTIVENESS DATE:		20170504

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Arconic Inc.
    		CENTRAL INDEX KEY:			0000004281
    		STANDARD INDUSTRIAL CLASSIFICATION:	ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350]
    		IRS NUMBER:				250317820
    		STATE OF INCORPORATION:			PA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-03610
    		FILM NUMBER:		17815141

    	BUSINESS ADDRESS:
    		STREET 1:		390 PARK AVENUE
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10022-4608
    		BUSINESS PHONE:		2128362732

    	MAIL ADDRESS:
    		STREET 1:		390 PARK AVENUE
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10022-4608

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ALCOA INC.
    		DATE OF NAME CHANGE:	20141003

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ALCOA INC
    		DATE OF NAME CHANGE:	19990105

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ALUMINUM CO OF AMERICA
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>d391989ddefa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: d391989ddefa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g3919891.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g3919891.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g39198910.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g39198910.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g39198911.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g39198911.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g39198912.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g39198912.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g39198913.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g39198913.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g39198914.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g39198914.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g39198915.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g39198915.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g39198916.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g39198916.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g39198917.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g39198917.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g39198918.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g39198918.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g39198919.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g39198919.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g3919892.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g3919892.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g39198920.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g39198920.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g39198921.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g39198921.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>g39198922.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g39198922.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>g39198923.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: g39198923.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>g39198924.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: g39198924.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>g39198925.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: g39198925.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>g39198926.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: g39198926.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>g39198927.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: g39198927.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>g39198928.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: g39198928.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>g3919893.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: g3919893.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>g3919894.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: g3919894.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>g3919895.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: g3919895.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>g3919896.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 26 - file: g3919896.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>g3919897.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 27 - file: g3919897.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>g3919898.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 28 - file: g3919898.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>g3919899.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 29 - file: g3919899.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>