X0202 4 2007-08-03 0000789019 MICROSOFT CORP MSFT 0000902012 GATES WILLIAM H III ONE MICROSOFT WAY REDMOND WA 98052 1 0 0 0 Common Stock 2007-08-03 4 S 0 6000 29.73 D 878493336 D Common Stock 2007-08-03 4 S 0 5927 29.72 D 878487409 D Common Stock 2007-08-03 4 S 0 5000 29.71 D 878482409 D Common Stock 2007-08-03 4 S 0 6773 29.68 D 878475636 D Common Stock 2007-08-03 4 S 0 5000 29.65 D 878470636 D Common Stock 2007-08-03 4 S 0 7300 29.63 D 878463336 D Common Stock 2007-08-03 4 S 0 5260 29.61 D 878458076 D Common Stock 2007-08-03 4 S 0 22072 29.60 D 878436004 D Common Stock 2007-08-03 4 S 0 23289 29.59 D 878412715 D Common Stock 2007-08-03 4 S 0 31448 29.58 D 878381267 D Common Stock 2007-08-03 4 S 0 46000 29.57 D 878335267 D Common Stock 2007-08-03 4 S 0 26572 29.56 D 878308695 D Common Stock 2007-08-03 4 S 0 73980 29.55 D 878234715 D Common Stock 2007-08-03 4 S 0 43522 29.54 D 878191193 D Common Stock 2007-08-03 4 S 0 35567 29.53 D 878155626 D Common Stock 2007-08-03 4 S 0 36641 29.52 D 878118985 D Common Stock 2007-08-03 4 S 0 12382 29.51 D 878106603 D Common Stock 2007-08-03 4 S 0 34492 29.50 D 878072111 D Common Stock 2007-08-03 4 S 0 54928 29.49 D 878017183 D Common Stock 2007-08-03 4 S 0 22797 29.48 D 877994386 D Common Stock 2007-08-03 4 S 0 10120 29.47 D 877984266 D Common Stock 2007-08-03 4 S 0 5450 29.46 D 877978816 D Common Stock 2007-08-03 4 S 0 10880 29.45 D 877967936 D Common Stock 2007-08-03 4 S 0 5671 29.44 D 877962265 D Common Stock 2007-08-03 4 S 0 37929 29.43 D 877924336 D Common Stock 2007-08-03 4 S 0 11130 29.41 D 877913206 D Common Stock 2007-08-03 4 S 0 10870 29.40 D 877902336 D Common Stock 2007-08-03 4 S 0 30853 29.38 D 877871483 D Common Stock 2007-08-03 4 S 0 22147 29.37 D 877849336 D Common Stock 2007-08-03 4 S 0 800 29.34 D 877848536 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 2007-08-07