X0202 4 2007-10-31 0000789019 MICROSOFT CORP MSFT 0000902012 GATES WILLIAM H III ONE MICROSOFT WAY REDMOND WA 98052 1 0 0 0 Common Stock 2007-10-31 4 S 0 7311 36.96 D 877492025 D Common Stock 2007-10-31 4 S 0 42689 36.95 D 877449336 D Common Stock 2007-10-31 4 S 0 59400 36.94 D 877389936 D Common Stock 2007-10-31 4 S 0 40600 36.93 D 877349336 D Common Stock 2007-10-31 4 S 0 325000 36.92 D 877024336 D Common Stock 2007-10-31 4 S 0 25000 36.91 D 876999336 D Common Stock 2007-10-31 4 S 0 255618 36.88 D 876743718 D Common Stock 2007-10-31 4 S 0 49674 36.87 D 876694044 D Common Stock 2007-10-31 4 S 0 178062 36.86 D 876515982 D Common Stock 2007-10-31 4 S 0 41621 36.85 D 876474361 D Common Stock 2007-10-31 4 S 0 91714 36.84 D 876382647 D Common Stock 2007-10-31 4 S 0 152585 36.83 D 876230062 D Common Stock 2007-10-31 4 S 0 11350 36.82 D 876218712 D Common Stock 2007-10-31 4 S 0 51150 36.81 D 876167562 D Common Stock 2007-10-31 4 S 0 138412 36.80 D 876029150 D Common Stock 2007-10-31 4 S 0 90294 36.79 D 875938856 D Common Stock 2007-10-31 4 S 0 46295 36.78 D 875892561 D Common Stock 2007-10-31 4 S 0 73830 36.77 D 875818731 D Common Stock 2007-10-31 4 S 0 95507 36.76 D 875723224 D Common Stock 2007-10-31 4 S 0 89438 36.75 D 875633786 D Common Stock 2007-10-31 4 S 0 36350 36.74 D 875597436 D Common Stock 2007-10-31 4 S 0 36520 36.73 D 875560916 D Common Stock 2007-10-31 4 S 0 50850 36.72 D 875510066 D Common Stock 2007-10-31 4 S 0 10730 36.71 D 875499336 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 2007-11-02