X0202 4 2007-05-08 0000789019 MICROSOFT CORP MSFT 0000902012 GATES WILLIAM H III ONE MICROSOFT WAY REDMOND WA 98052 1 0 0 0 Common Stock 2007-05-08 4 S 0 202322 30.90 D 903297014 D Common Stock 2007-05-08 4 S 0 158484 30.89 D 903138530 D Common Stock 2007-05-08 4 S 0 67875 30.88 D 903070655 D Common Stock 2007-05-08 4 S 0 146193 30.87 D 902924462 D Common Stock 2007-05-08 4 S 0 39900 30.86 D 902884562 D Common Stock 2007-05-08 4 S 0 103629 30.85 D 902780933 D Common Stock 2007-05-08 4 S 0 75000 30.84 D 902705933 D Common Stock 2007-05-08 4 S 0 95000 30.83 D 902610933 D Common Stock 2007-05-08 4 S 0 81597 30.82 D 902529336 D Common Stock 2007-05-08 4 S 0 60180 30.81 D 902469156 D Common Stock 2007-05-08 4 S 0 298947 30.80 D 902170209 D Common Stock 2007-05-08 4 S 0 148058 30.79 D 902022151 D Common Stock 2007-05-08 4 S 0 217915 30.78 D 901804236 D Common Stock 2007-05-08 4 S 0 155634 30.77 D 901648602 D Common Stock 2007-05-08 4 S 0 21048 30.76 D 901627554 D Common Stock 2007-05-08 4 S 0 119273 30.75 D 901508281 D Common Stock 2007-05-08 4 S 0 101600 30.74 D 901406681 D Common Stock 2007-05-08 4 S 0 133447 30.73 D 901273234 D Common Stock 2007-05-08 4 S 0 102978 30.72 D 901170256 D Common Stock 2007-05-08 4 S 0 127604 30.71 D 901042652 D Common Stock 2007-05-08 4 S 0 123416 30.70 D 900919236 D Common Stock 2007-05-08 4 S 0 62900 30.69 D 900856336 D Common Stock 2007-05-08 4 S 0 99129 30.68 D 900757207 D Common Stock 2007-05-08 4 S 0 93736 30.67 D 900663471 D Common Stock 2007-05-08 4 S 0 105259 30.66 D 900558212 D Common Stock 2007-05-08 4 S 0 23876 30.65 D 900534336 D Common Stock 2007-05-08 4 S 0 35000 30.58 D 900499336 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 2007-05-10