X0202 4 2006-11-02 0000789019 MICROSOFT CORP MSFT 0000902012 GATES WILLIAM H III ONE MICROSOFT WAY REDMOND WA 98052 1 1 0 0 Chairman of the Board Common Stock 2006-11-02 4 S 0 9000 28.86 D 957490336 D Common Stock 2006-11-02 4 S 0 7600 28.84 D 957482736 D Common Stock 2006-11-02 4 S 0 9500 28.83 D 957473236 D Common Stock 2006-11-02 4 S 0 8000 28.82 D 957465236 D Common Stock 2006-11-02 4 S 0 38200 28.81 D 957427036 D Common Stock 2006-11-02 4 S 0 180500 28.80 D 957246536 D Common Stock 2006-11-02 4 S 0 270293 28.79 D 956976243 D Common Stock 2006-11-02 4 S 0 182670 28.78 D 956793573 D Common Stock 2006-11-02 4 S 0 224663 28.77 D 956568910 D Common Stock 2006-11-02 4 S 0 312524 28.76 D 956256386 D Common Stock 2006-11-02 4 S 0 290594 28.75 D 955965792 D Common Stock 2006-11-02 4 S 0 220856 28.74 D 955744936 D Common Stock 2006-11-02 4 S 0 80700 28.73 D 955664236 D Common Stock 2006-11-02 4 S 0 44900 28.71 D 955619336 D Common Stock 2006-11-02 4 S 0 1100 28.70 D 955618236 D Common Stock 2006-11-02 4 S 0 100 28.69 D 955618136 D Common Stock 2006-11-02 4 S 0 11100 28.64 D 955607036 D Common Stock 2006-11-02 4 S 0 56500 28.63 D 955550536 D Common Stock 2006-11-02 4 S 0 30400 28.62 D 955520136 D Common Stock 2006-11-02 4 S 0 4563 28.61 D 955515573 D Common Stock 2006-11-02 4 S 0 10480 28.60 D 955505093 D Common Stock 2006-11-02 4 S 0 3386 28.59 D 955501707 D Common Stock 2006-11-02 4 S 0 2371 28.58 D 955499336 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 purpose 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 2006-11-06