X0306 4 2014-01-21 0000004281 ALCOA INC AA 0001590197 Collins Robert Sean 390 PARK AVENUE NEW YORK NY 10022 0 1 0 0 Vice President and Controller Common Stock 2014-01-21 4 M 0 14665 8.33 A 51312.88 D Common Stock 2014-01-21 4 S 0 14665 12.17 D 36647.88 D Common Stock 1125 I By Wife in Company 401(k) Plan Common Stock 3973 I By Company 401(k) Plan Employee Stock Option (right to buy) 8.33 2014-01-21 4 M 0 14665 0 D 2015-01-23 Common Stock 14665 14668 D Includes shares acquired under the Alcoa Dividend Reinvestment Plan. This option is part of an option grant that vested in three equal annual installments beginning January 23, 2010. The installment exercised by the reporting person as reported herein vested on January 23, 2011. Employee stock options are granted without payment of consideration. In the aggregate, a total of 141,728 employee stock options (with various exercise prices and expiration dates) were beneficially owned by the reporting person as of the date of this report. Brenda Hart (Assistant Secretary), by power of attorney 2014-01-22