X0202 4 2007-07-18 0000004281 ALCOA INC AA 0001127285 BELDA ALAIN J P 201 ISABELLA STREET PITTSBURGH PA 15212 1 1 0 0 Chairman and CEO Common Stock 2007-07-18 4 S 0 14433 46.34 D 2899636 D Common Stock 2007-07-18 4 S 0 45200 46.33 D 2854436 D Common Stock 2007-07-18 4 S 0 54200 46.32 D 2800236 D Common Stock 2007-07-18 4 S 0 29018 46.31 D 2771218 D Common Stock 2007-07-18 4 S 0 27300 46.33 D 2743918 D Common Stock 2007-07-18 4 S 0 100 46.295 D 2743818 D Common Stock 2007-07-18 4 S 0 25152 46.29 D 2718666 D Common Stock 2007-07-18 4 S 0 32572 46.28 D 2686094 D Common Stock 2007-07-18 4 S 0 200 46.275 D 2685894 D Common Stock 2007-07-18 4 S 0 20370 46.27 D 2665524 D Common Stock 2007-07-18 4 S 0 100 46.265 D 2665424 D Common Stock 2007-07-18 4 S 0 30963 46.26 D 2634461 D Common Stock 2007-07-18 4 S 0 58868 46.25 D 2575593 D Common Stock 2007-07-18 4 S 0 38366 46.24 D 2537227 D Common Stock 2007-07-18 4 S 0 23268 46.23 D 2513959 D Common Stock 2007-07-18 4 S 0 27682 46.22 D 2486277 D Common Stock 2007-07-18 4 S 0 68094 46.21 D 2418183 D Common Stock 2007-07-18 4 S 0 100 46.205 D 2418083 D Common Stock 2007-07-18 4 S 0 101396 46.20 D 2316687 D Common Stock 2007-07-18 4 S 0 12033 46.19 D 2304654 D Common Stock 2007-07-18 4 S 0 14285 46.18 D 2290369 D Common Stock 2007-07-18 4 S 0 23577 46.17 D 2266792 D Common Stock 2007-07-18 4 S 0 5000 46.165 D 2261792 D Common Stock 2007-07-18 4 S 0 9829 46.16 D 2251963 D Common Stock 2007-07-18 4 S 0 29117 46.15 D 2222846 D Common Stock 2007-07-18 4 S 0 200 46.145 D 2222646 D Common Stock 2007-07-18 4 S 0 37868 46.14 D 2184778 D Common Stock 2007-07-18 4 S 0 152795 46.13 D 2031983 D Common Stock 2007-07-18 4 S 0 37507 46.12 D 1994476 D Common Stock 2007-07-18 4 S 0 300 46.115 D 1994176 D This Form 4 is 2 of 3 Form 4's filed to report the reporting person's transactions on July 18, 2007. Refer to all of the Form 4's filed this date for the reporting person. THIS FORM 4 IS 2 OF 3 FORM 4'S FILED TO REPORT THE REPORTING PERSON'S TRANSACTIONS ON JULY 18, 2007. REFER TO ALL OF THE FORM 4'S FILED THIS DATE FOR THE REPORTING PERSON. Brenda Hart (Assistant Secretary), by power of attorney 2007-07-20