UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of The Securities Exchange Act of 1934

(Amendment No. )

Filed by the Registrant ☐

Filed by a Party other than the Registrant ☒

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material Under Rule 14a-12

ARCONIC INC.

(Name of Registrant as Specified in Its Charter)

ELLIOTT ASSOCIATES, L.P.

ELLIOTT INTERNATIONAL, L.P.

PAUL E. SINGER

ELLIOTT CAPITAL ADVISORS, L.P.

ELLIOTT SPECIAL GP, LLC

BRAXTON ASSOCIATES, INC.

ELLIOTT ASSET MANAGEMENT LLC

ELLIOTT INTERNATIONAL CAPITAL ADVISORS INC.

HAMBLEDON, INC.

ELLIOTT MANAGEMENT CORPORATION

THE LIVERPOOL LIMITED PARTNERSHIP

LIVERPOOL ASSOCIATES LTD.

LARRY A. LAWSON

CHRISTOPHER L. AYERS

ELMER L. DOTY

BERND F. KESSLER

PATRICE E. MERRIN

(Name of Persons(s) Filing Proxy Statement, if Other Than the Registrant)

Payment of Filing Fee (Check the appropriate box):

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☐ Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

(1) Title of each class of securities to which transaction applies:

(2) Aggregate number of securities to which transaction applies:

(3) Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):

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☐ Fee paid previously with preliminary materials:

☐          Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the form or schedule and the date of its filing.

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(4) Date Filed:

Elliott Associates, L.P. and Elliott International, L.P., together with the other participants in such proxy solicitation (collectively, “Elliott”), have filed a definitive proxy statement and accompanying BLUE proxy card with the Securities and Exchange Commission to be used to solicit votes for the election of its slate of four highly-qualified director nominees at the 2017 annual meeting of shareholders of Arconic Inc., a Pennsylvania corporation.

Elliott issued an advertisement in the Pittsburgh Post-Gazette and the Cleveland Plain Dealer, a copy of which is attached hereto as Exhibit 1, and may from time to time issue such advertisement in other publications.