X0202 4 2006-08-08 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 2006-08-08 4 S 0 10400 24.500 D 959488936 D Common Stock 2006-08-08 4 S 0 24200 24.490 D 959464736 D Common Stock 2006-08-08 4 S 0 20400 24.480 D 959444336 D Common Stock 2006-08-08 4 S 0 116850 24.470 D 959327486 D Common Stock 2006-08-08 4 S 0 107516 24.460 D 959219970 D Common Stock 2006-08-08 4 S 0 318595 24.450 D 958901375 D Common Stock 2006-08-08 4 S 0 5300 24.445 D 958896075 D Common Stock 2006-08-08 4 S 0 149355 24.440 D 958746720 D Common Stock 2006-08-08 4 S 0 3100 24.436 D 958743620 D Common Stock 2006-08-08 4 S 0 10200 24.433 D 958733420 D Common Stock 2006-08-08 4 S 0 9300 24.432 D 958724120 D Common Stock 2006-08-08 4 S 0 162684 24.430 D 958561436 D Common Stock 2006-08-08 4 S 0 2600 24.423 D 958558836 D Common Stock 2006-08-08 4 S 0 39400 24.420 D 958519436 D Common Stock 2006-08-08 4 S 0 6000 24.419 D 958513436 D Common Stock 2006-08-08 4 S 0 40700 24.410 D 958472736 D Common Stock 2006-08-08 4 S 0 63679 24.400 D 958409057 D Common Stock 2006-08-08 4 S 0 1000 24.397 D 958408057 D Common Stock 2006-08-08 4 S 0 1900 24.393 D 958406157 D Common Stock 2006-08-08 4 S 0 58619 24.390 D 958347538 D Common Stock 2006-08-08 4 S 0 4400 24.385 D 958343138 D Common Stock 2006-08-08 4 S 0 43700 24.380 D 958299438 D Common Stock 2006-08-08 4 S 0 39581 24.370 D 958259857 D Common Stock 2006-08-08 4 S 0 5712 24.366 D 958254145 D Common Stock 2006-08-08 4 S 0 9500 24.361 D 958244645 D Common Stock 2006-08-08 4 S 0 17500 24.360 D 958227145 D Common Stock 2006-08-08 4 S 0 6300 24.352 D 958220845 D Common Stock 2006-08-08 4 S 0 26967 24.350 D 958193878 D Common Stock 2006-08-08 4 S 0 2300 24.347 D 958191578 D Common Stock 2006-08-08 4 S 0 2700 24.344 D 958188878 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 2006-08-10