X0204 3 2012-01-20 0 0000004281 ALCOA INC AA 0001539571 Waldo Kurt R 201 ISABELLA STREET PITTSBURGH PA 15212 0 1 0 0 EVP, Chief Legal & Compl. Ofcr Common Stock 67815 D Common Stock 2040 I By Company 401(k) Plan Employee Stock Option (right to buy) 8.33 2015-01-23 Common Stock 75000 D Phantom Stock Units Common Stock 1334 D The option vests in three equal annual installments beginning January 23, 2010. Phantom stock units were acquired under the Alcoa Deferred Compensation Plan and are to be paid out in cash after termination of employment. The reporting person may transfer the phantom stock into an alternative investment account under the Plan at times permitted under the Plan. 1 For 1 Brenda Hart (Assistant Secretary), by power of attorney 2012-01-24