Exhibit 15.1
May 16, 2017
Securities and Exchange Commission
100 F Street, NE
Washington, D.C. 20549
RE: Alcoa Corporation
Commissioners:
We are aware that our report dated May 10, 2017 on our review of interim financial information of Alcoa Corporation for the three-month periods ended March 31, 2017 and 2016 and included in Alcoa Corporation’s quarterly report on Form 10-Q for the quarter ended March 31, 2017 is incorporated by reference in its Registration Statement on Form S-8 dated May 16, 2017.
Very truly yours,
/s/ PricewaterhouseCoopers LLP
PricewaterhouseCoopers LLP
Pittsburgh, Pennsylvania
