X0202 4 2007-07-25 0000789019 MICROSOFT CORP MSFT 0000902012 GATES WILLIAM H III ONE MICROSOFT WAY REDMOND WA 98052 1 0 0 0 Common Stock 2007-07-25 4 S 0 100 31.10 D 893499236 D Common Stock 2007-07-25 4 S 0 8574 31.04 D 893490662 D Common Stock 2007-07-25 4 S 0 10 31.03 D 893490652 D Common Stock 2007-07-25 4 S 0 500 31.02 D 893490152 D Common Stock 2007-07-25 4 S 0 1900 31.01 D 893488252 D Common Stock 2007-07-25 4 S 0 4600 31.00 D 893483652 D Common Stock 2007-07-25 4 S 0 7516 30.99 D 893476136 D Common Stock 2007-07-25 4 S 0 24873 30.98 D 893451263 D Common Stock 2007-07-25 4 S 0 7114 30.97 D 893444149 D Common Stock 2007-07-25 4 S 0 2360 30.96 D 893441789 D Common Stock 2007-07-25 4 S 0 9688 30.95 D 893432101 D Common Stock 2007-07-25 4 S 0 15670 30.94 D 893416431 D Common Stock 2007-07-25 4 S 0 19131 30.93 D 893397300 D Common Stock 2007-07-25 4 S 0 5698 30.92 D 893391602 D Common Stock 2007-07-25 4 S 0 25894 30.91 D 893365708 D Common Stock 2007-07-25 4 S 0 16818 30.90 D 893348890 D Common Stock 2007-07-25 4 S 0 34018 30.89 D 893314872 D Common Stock 2007-07-25 4 S 0 41372 30.88 D 893273500 D Common Stock 2007-07-25 4 S 0 11764 30.87 D 893261736 D Common Stock 2007-07-25 4 S 0 18500 30.86 D 893243236 D Common Stock 2007-07-25 4 S 0 2200 30.85 D 893241036 D Common Stock 2007-07-25 4 S 0 1400 30.84 D 893239636 D Common Stock 2007-07-25 4 S 0 2600 30.83 D 893237036 D Common Stock 2007-07-25 4 S 0 6400 30.82 D 893230636 D Common Stock 2007-07-25 4 S 0 3100 30.81 D 893227536 D Common Stock 2007-07-25 4 S 0 12012 30.80 D 893215524 D Common Stock 2007-07-25 4 S 0 5697 30.79 D 893209827 D Common Stock 2007-07-25 4 S 0 12500 30.78 D 893197327 D Common Stock 2007-07-25 4 S 0 20600 30.77 D 893176727 D Common Stock 2007-07-25 4 S 0 25413 30.76 D 893151314 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 2007-07-27