X0202 4 2008-05-16 0000004281 ALCOA INC AA 0001127285 BELDA ALAIN J P 201 ISABELLA STREET PITTSBURGH PA 15212 1 1 0 0 Chairman of the Board Common Stock 2008-05-16 4 M 0 172267 36.87 A 1730632 D Common Stock 2008-05-16 4 F 0 159180 43.15 D 1571452 D Common Stock 2008-05-16 4 S 0 2400 42.49 D 1569052 D Common Stock 2008-05-16 4 S 0 1000 42.475 D 1568052 D Common Stock 2008-05-16 4 S 0 1900 42.47 D 1566152 D Common Stock 2008-05-16 4 S 0 1500 42.46 D 1564652 D Common Stock 2008-05-16 4 S 0 2900 42.45 D 1561752 D Common Stock 2008-05-16 4 S 0 1900 42.42 D 1559852 D Common Stock 2008-05-16 4 S 0 8100 42.40 D 1551752 D Common Stock 2008-05-16 4 S 0 3500 42.38 D 1548252 D Common Stock 2008-05-16 4 S 0 2024 42.37 D 1546228 D Common Stock 2008-05-16 4 S 0 4200 42.36 D 1542028 D Common Stock 2008-05-16 4 S 0 976 42.35 D 1541052 D Common Stock 2008-05-16 4 S 0 3000 42.34 D 1538052 D Common Stock 2008-05-16 4 S 0 3600 42.33 D 1534452 D Common Stock 2008-05-16 4 S 0 1300 42.32 D 1533152 D Common Stock 2008-05-16 4 S 0 5200 42.31 D 1527952 D Common Stock 2008-05-16 4 S 0 1500 42.30 D 1526452 D Common Stock 2008-05-16 4 S 0 5000 42.29 D 1521452 D Common Stock 7712 I By Company 401(k) Plan Employee Stock Option (right to buy) 36.87 2008-05-16 4 M 0 172267 0 D 2002-08-15 2011-01-12 Common Stock 172267 0 D Employee Stock Option (right to buy) 43.15 2008-05-16 4 A 0 159180 0 A 2008-11-16 2011-01-12 Common Stock 159180 159180 D Employee stock options are granted without payment of consideration In the aggregate, a total of 4,289,878 employee stock options (with various prices and expiration dates) were beneficially owned by the reporting person as of the date of this report. These are reload stock options granted in connection with the reporting person's exercise of outstanding options and payment of the option exercise costs by delivering to the Company (or selling) shares, as applicable, as reported herein. Brenda Hart (Assistant Secretary), by power of attorney 2008-05-20