Exhibit 15
June 24, 2016
Securities and Exchange Commission
100 F Street, NE
Washington, D.C. 20549
RE: Alcoa Inc.
Commissioners:
We are aware that our report dated May 5, 2016 on our review of interim financial information of Alcoa Inc. and its subsidiaries (Alcoa) for the three-month period ended March 31, 2016 and 2015 and included in Alcoa’s quarterly report on Form 10-Q for the quarter ended March 31, 2016 is incorporated by reference in its Registration Statement on Form S-8 dated June 24, 2016.
Very truly yours, |
/s/ PricewaterhouseCoopers LLP |
PricewaterhouseCoopers LLP |
Pittsburgh, Pennsylvania |