Attached files
file | filename |
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10-Q - FORM 10-Q - Howmet Aerospace Inc. | d897461d10q.htm |
EX-32 - EX-32 - Howmet Aerospace Inc. | d897461dex32.htm |
EX-31 - EX-31 - Howmet Aerospace Inc. | d897461dex31.htm |
EX-95 - EX-95 - Howmet Aerospace Inc. | d897461dex95.htm |
EX-12 - EX-12 - Howmet Aerospace Inc. | d897461dex12.htm |
EX-10.(B) - EX-10.(B) - Howmet Aerospace Inc. | d897461dex10b.htm |
EX-10.(A) - EX-10.(A) - Howmet Aerospace Inc. | d897461dex10a.htm |
EXCEL - IDEA: XBRL DOCUMENT - Howmet Aerospace Inc. | Financial_Report.xls |
Exhibit 15
April 23, 2015
Securities and Exchange Commission
100 F Street, NE
Washington, D.C. 20549
RE: Alcoa Inc.
Commissioners:
We are aware that our report dated April 23, 2015, on our review of interim financial information of Alcoa Inc. and its subsidiaries (Alcoa) for the three-month periods ended March 31, 2015 and 2014 and included in Alcoas quarterly report on Form 10-Q for the quarter ended March 31, 2015 is incorporated by reference in its Registration Statements on Form S-3 (No. 333-197371 and 333-201055), Form S-4 (No. 333-203275), and Form S-8 (Nos. 333-32516, 333-106411, 333-128445, 333-146330, 333-153369, 333-155668, 333-159123, 333-168428, 333-170801, 333-182899, and 333-189882).
Very truly yours, |
/s/ PricewaterhouseCoopers LLP |
PricewaterhouseCoopers LLP |
Pittsburgh, Pennsylvania |