Exhibit 15.1
February 8, 2017
Securities and Exchange Commission
100 F Street, NE
Washington, D.C. 20549
RE: Alcoa Corporation
Commissioners:
We are aware that our report dated December 1, 2016 on our review of interim financial information of Alcoa Corporation for the three- and nine-month periods ended September 30, 2016 and 2015 is included in Amendment No. 1 to its Registration Statement on Form S-1 dated February 8, 2017.
Very truly yours,
/s/ PricewaterhouseCoopers LLP
PricewaterhouseCoopers LLP
Pittsburgh, Pennsylvania
