X0202 4 2007-08-01 0000789019 MICROSOFT CORP MSFT 0000902012 GATES WILLIAM H III ONE MICROSOFT WAY REDMOND WA 98052 1 0 0 0 Common Stock 2007-08-01 4 S 0 15000 29.24 D 882866557 D Common Stock 2007-08-01 4 S 0 9000 29.23 D 882857557 D Common Stock 2007-08-01 4 S 0 12800 29.22 D 882844757 D Common Stock 2007-08-01 4 S 0 23450 29.21 D 882821307 D Common Stock 2007-08-01 4 S 0 9800 29.20 D 882811507 D Common Stock 2007-08-01 4 S 0 12471 29.19 D 882799036 D Common Stock 2007-08-01 4 S 0 98077 29.18 D 882700959 D Common Stock 2007-08-01 4 S 0 68224 29.17 D 882632735 D Common Stock 2007-08-01 4 S 0 41283 29.16 D 882591452 D Common Stock 2007-08-01 4 S 0 110058 29.15 D 882481394 D Common Stock 2007-08-01 4 S 0 59050 29.14 D 882422344 D Common Stock 2007-08-01 4 S 0 57971 29.13 D 882364373 D Common Stock 2007-08-01 4 S 0 92864 29.12 D 882271509 D Common Stock 2007-08-01 4 S 0 86295 29.11 D 882185214 D Common Stock 2007-08-01 4 S 0 68426 29.10 D 882116788 D Common Stock 2007-08-01 4 S 0 41960 29.09 D 882074828 D Common Stock 2007-08-01 4 S 0 44291 29.08 D 882030537 D Common Stock 2007-08-01 4 S 0 53330 29.07 D 881977207 D Common Stock 2007-08-01 4 S 0 22119 29.06 D 881955088 D Common Stock 2007-08-01 4 S 0 18577 29.05 D 881936511 D Common Stock 2007-08-01 4 S 0 11267 29.04 D 881925244 D Common Stock 2007-08-01 4 S 0 21100 29.03 D 881904144 D Common Stock 2007-08-01 4 S 0 6706 29.02 D 881897438 D Common Stock 2007-08-01 4 S 0 35276 29.01 D 881862162 D Common Stock 2007-08-01 4 S 0 16900 29.00 D 881845262 D Common Stock 2007-08-01 4 S 0 27783 28.99 D 881817479 D Common Stock 2007-08-01 4 S 0 36618 28.98 D 881780861 D Common Stock 2007-08-01 4 S 0 6450 28.97 D 881774411 D Common Stock 2007-08-01 4 S 0 8500 28.96 D 881765911 D Common Stock 2007-08-01 4 S 0 19308 28.95 D 881746603 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 2007-08-03