Attached files

file filename
EX-32.1 - EXHIBIT 32.1 - Howmet Aerospace Inc.ex32_2q18.htm
EX-31.1 - EXHIBIT 31.1 - Howmet Aerospace Inc.ex31_2q18.htm
EX-12.1 - EXHIBIT 12.1 - Howmet Aerospace Inc.ex12_2q18.htm
EX-10.(G) - EXHIBIT 10.(G) - Howmet Aerospace Inc.ex10g_2q18.htm
EX-10.(F) - EXHIBIT 10.(F) - Howmet Aerospace Inc.ex10f_2q18.htm
EX-10.(E) - EXHIBIT 10.(E) - Howmet Aerospace Inc.ex10e_2q18.htm
EX-10.(D) - EXHIBIT 10.(D) - Howmet Aerospace Inc.ex10d_2q18.htm
EX-10.(C) - EXHIBIT 10.(C) - Howmet Aerospace Inc.ex10c_2q18.htm
10-Q - 10-Q - Howmet Aerospace Inc.form10q_2q18.htm


EXHIBIT 15
August 2, 2018

Securities and Exchange Commission
100 F Street, NE
Washington, D.C. 20549

Commissioners:

We are aware that our report dated August 2, 2018 on our review of interim financial information of Arconic Inc., which appears in this Quarterly Report on Form 10-Q, is incorporated by reference in the Registration Statement on Form S-8 (Nos. 333-32516, 333-106411, 333-128445, 333-146330, 333-153369, 333-155668, 333-159123, 333-168428, 333-170801, 333-182899, 333-189882, 333-203275, 333-209772, and 333-212246) of Arconic Inc.  
Very truly yours,
/s/ PricewaterhouseCoopers LLP
PricewaterhouseCoopers LLP
Pittsburgh, Pennsylvania