X0202 4 2006-11-03 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 2006-11-03 4 S 0 15600 28.92 D 955483736 D Common Stock 2006-11-03 4 S 0 14500 28.90 D 955469236 D Common Stock 2006-11-03 4 S 0 36600 28.88 D 955432636 D Common Stock 2006-11-03 4 S 0 200 28.86 D 955432436 D Common Stock 2006-11-03 4 S 0 8756 28.85 D 955423680 D Common Stock 2006-11-03 4 S 0 62144 28.84 D 955361536 D Common Stock 2006-11-03 4 S 0 200 28.83 D 955361336 D Common Stock 2006-11-03 4 S 0 35200 28.78 D 955326136 D Common Stock 2006-11-03 4 S 0 1000 28.77 D 955325136 D Common Stock 2006-11-03 4 S 0 102743 28.75 D 955222393 D Common Stock 2006-11-03 4 S 0 147757 28.74 D 955074636 D Common Stock 2006-11-03 4 S 0 38670 28.73 D 955035966 D Common Stock 2006-11-03 4 S 0 153322 28.72 D 954882644 D Common Stock 2006-11-03 4 S 0 210279 28.71 D 954672365 D Common Stock 2006-11-03 4 S 0 635408 28.70 D 954036957 D Common Stock 2006-11-03 4 S 0 125890 28.69 D 953911067 D Common Stock 2006-11-03 4 S 0 182131 28.68 D 953728936 D Common Stock 2006-11-03 4 S 0 36400 28.67 D 953692536 D Common Stock 2006-11-03 4 S 0 124300 28.66 D 953568236 D Common Stock 2006-11-03 4 S 0 37500 28.65 D 953530736 D Common Stock 2006-11-03 4 S 0 500 28.64 D 953530236 D Common Stock 2006-11-03 4 S 0 30900 28.63 D 953499336 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 2006-11-07