X0202 4 2005-05-06 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 2005-05-06 4 S 0 170000 25.39 D 1055329336 D Common Stock 2005-05-06 4 S 0 301490 25.35 D 1055027846 D Common Stock 2005-05-06 4 S 0 330000 25.34 D 1054697846 D Common Stock 2005-05-06 4 S 0 604288 25.33 D 1054093558 D Common Stock 2005-05-06 4 S 0 294222 25.32 D 1053799336 D Common Stock 2005-05-06 4 S 0 10000 25.31 D 1053789336 D Common Stock 2005-05-06 4 S 0 50000 25.30 D 1053739336 D Common Stock 2005-05-06 4 S 0 14517 25.29 D 1053724819 D Common Stock 2005-05-06 4 S 0 483 25.28 D 1053724336 D Common Stock 2005-05-06 4 S 0 25000 25.27 D 1053699336 D Common Stock 2005-05-06 4 S 0 60673 25.23 D 1053638663 D Common Stock 2005-05-06 4 S 0 125996 25.22 D 1053512667 D Common Stock 2005-05-06 4 S 0 8331 25.21 D 1053504336 D Common Stock 2005-05-06 4 S 0 5000 25.20 D 1053499336 D In addition, there are 428,520 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 4, 2005, by and on behalf of William H. Gates III, filed as Exhibit 99.3 to Cascade Investment, L.L.C.'s Amendment No. 5 to Schedule 13G with respect to Canadian National Railway Company on February 11, 2005, SEC File No. 005-48661, and incorporated by reference herein. William H. Gates III By: /s/ Michael Larson*, Attorney-In-Fact 2005-05-10