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## SIGNATURES 

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. 

February 21, 2019 

## ARCONIC INC. 

By 

Paul Myron Vice President and Controller (Also signing as Principal Accounting Officer) 

/s/ Paul Myron 

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. 

<img src='content_image/1030954.jpg'>

James F. Albaugh, Amy E. Alving, Christopher L. Ayers, Arthur D. Collins, Jr., Elmer L. Doty, Rajiv L. Gupta, David P. Hess, Sean O. Mahoney, David J. Miller, E. Stanley O’Neal, and Ulrich R. Schmidt, each as a Director, on February 21, 2019, by Paul Myron, their Attorney-in-Fact.* 

*By 

/s/ Paul Myron 

Paul Myron Attorney-in-Fact 

