Attached files

file filename
EX-99.10 - EX-99.10 - Alcoa Corpd277113dex9910.htm
EX-99.9 - EX-99.9 - Alcoa Corpd277113dex999.htm
EX-99.8 - EX-99.8 - Alcoa Corpd277113dex998.htm
EX-99.7 - EX-99.7 - Alcoa Corpd277113dex997.htm
EX-99.6 - EX-99.6 - Alcoa Corpd277113dex996.htm
EX-99.5 - EX-99.5 - Alcoa Corpd277113dex995.htm
EX-99.4 - EX-99.4 - Alcoa Corpd277113dex994.htm
EX-99.3 - EX-99.3 - Alcoa Corpd277113dex993.htm
EX-99.2 - EX-99.2 - Alcoa Corpd277113dex992.htm
EX-99.1 - EX-99.1 - Alcoa Corpd277113dex991.htm
EX-24.1 - EX-24.1 - Alcoa Corpd277113dex241.htm
EX-23.1 - EX-23.1 - Alcoa Corpd277113dex231.htm
EX-5.1 - EX-5.1 - Alcoa Corpd277113dex51.htm
S-1 - S-1 - Alcoa Corpd277113ds1.htm

Exhibit 15.1

October 26, 2016

Securities and Exchange Commission

100 F Street, NE

Washington, D.C. 20549

Commissioners:

We are aware that our report dated September 1, 2016 on our review of interim financial information of Alcoa Upstream Corporation for the six-month periods ended June 30, 2016 and 2015 is included in its Registration Statement on Form S-1 dated October 26, 2016.

Very truly yours,

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP

Pittsburgh, Pennsylvania