X0202 4 2007-08-02 0000789019 MICROSOFT CORP MSFT 0000902012 GATES WILLIAM H III ONE MICROSOFT WAY REDMOND WA 98052 1 0 0 0 Common Stock 2007-08-02 4 S 0 40250 29.48 D 879118278 D Common Stock 2007-08-02 4 S 0 48481 29.47 D 879069797 D Common Stock 2007-08-02 4 S 0 30661 29.46 D 879039136 D Common Stock 2007-08-02 4 S 0 15000 29.45 D 879024136 D Common Stock 2007-08-02 4 S 0 18800 29.44 D 879005336 D Common Stock 2007-08-02 4 S 0 13609 29.43 D 878991727 D Common Stock 2007-08-02 4 S 0 2000 29.42 D 878989727 D Common Stock 2007-08-02 4 S 0 5200 29.41 D 878984527 D Common Stock 2007-08-02 4 S 0 5400 29.40 D 878979127 D Common Stock 2007-08-02 4 S 0 2130 29.39 D 878976997 D Common Stock 2007-08-02 4 S 0 10500 29.38 D 878966497 D Common Stock 2007-08-02 4 S 0 9600 29.37 D 878956897 D Common Stock 2007-08-02 4 S 0 800 29.36 D 878956097 D Common Stock 2007-08-02 4 S 0 3300 29.34 D 878952797 D Common Stock 2007-08-02 4 S 0 161 29.33 D 878952636 D Common Stock 2007-08-02 4 S 0 13200 29.32 D 878939436 D Common Stock 2007-08-02 4 S 0 900 29.31 D 878938536 D Common Stock 2007-08-02 4 S 0 26200 29.30 D 878912336 D Common Stock 2007-08-02 4 S 0 15200 29.29 D 878897136 D Common Stock 2007-08-02 4 S 0 86770 29.28 D 878810366 D Common Stock 2007-08-02 4 S 0 25600 29.27 D 878784766 D Common Stock 2007-08-02 4 S 0 16950 29.26 D 878767816 D Common Stock 2007-08-02 4 S 0 70980 29.25 D 878696836 D Common Stock 2007-08-02 4 S 0 87500 29.24 D 878609336 D Common Stock 2007-08-02 4 S 0 5992 29.23 D 878603344 D Common Stock 2007-08-02 4 S 0 61250 29.22 D 878542094 D Common Stock 2007-08-02 4 S 0 22758 29.20 D 878519336 D Common Stock 2007-08-02 4 S 0 20000 29.12 D 878499336 D In addition, there are 425,066 shares owned by reporting person's spouse. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purposes. * Duly authorized under Special Power of Attorney appointing Michael Larson attorney-in-fact, dated February 3, 2006, by and on behalf of William H. Gates III, filed as Exhibit 99.1 to Cascade Investment, L.L.C.'s Amendment No. 2 to Schedule 13G with respect to Arch Capital Group Ltd. on March 7, 2006, SEC File No. 005-45257, and incorporated by reference herein. William H. Gates III By: /s/ Michael Larson*, Attorney-In-Fact 2007-08-06