X0202 4 2008-05-13 0000789019 MICROSOFT CORP MSFT 0000902012 GATES WILLIAM H III ONE MICROSOFT WAY REDMOND WA 98052 1 0 0 0 Common Stock 2008-05-13 4 S 0 17000 30.1000 D 818113446 D Common Stock 2008-05-13 4 S 0 8000 30.0900 D 818105446 D Common Stock 2008-05-13 4 S 0 12671 30.0800 D 818092775 D Common Stock 2008-05-13 4 S 0 15569 30.0700 D 818077206 D Common Stock 2008-05-13 4 S 0 29290 30.0600 D 818047916 D Common Stock 2008-05-13 4 S 0 67470 30.0500 D 817980446 D Common Stock 2008-05-13 4 S 0 50000 30.0200 D 817930446 D Common Stock 2008-05-13 4 S 0 50000 29.9700 D 817880446 D Common Stock 2008-05-13 4 S 0 10700 29.9600 D 817869746 D Common Stock 2008-05-13 4 S 0 300 29.9550 D 817869446 D Common Stock 2008-05-13 4 S 0 15800 29.9500 D 817853646 D Common Stock 2008-05-13 4 S 0 11200 29.9400 D 817842446 D Common Stock 2008-05-13 4 S 0 12000 29.9300 D 817830446 D Common Stock 2008-05-13 4 S 0 100 29.9250 D 817830346 D Common Stock 2008-05-13 4 S 0 79907 29.9200 D 817750439 D Common Stock 2008-05-13 4 S 0 6793 29.9100 D 817743646 D Common Stock 2008-05-13 4 S 0 18188 29.9000 D 817725458 D Common Stock 2008-05-13 4 S 0 20002 29.8900 D 817705456 D Common Stock 2008-05-13 4 S 0 47925 29.8800 D 817657531 D Common Stock 2008-05-13 4 S 0 300 29.8750 D 817657231 D Common Stock 2008-05-13 4 S 0 27300 29.8700 D 817629931 D Common Stock 2008-05-13 4 S 0 100 29.8675 D 817629831 D Common Stock 2008-05-13 4 S 0 400 29.8650 D 817629431 D Common Stock 2008-05-13 4 S 0 17375 29.8600 D 817612056 D Common Stock 2008-05-13 4 S 0 200 29.8575 D 817611856 D Common Stock 2008-05-13 4 S 0 75810 29.8500 D 817536046 D Common Stock 2008-05-13 4 S 0 17503 29.8471 D 817518543 D Common Stock 2008-05-13 4 S 0 20299 29.8256 D 817498244 D Common Stock 2008-05-13 4 S 0 34737 29.8200 D 817463507 D Common Stock 2008-05-13 4 S 0 36396 29.8100 D 817427111 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 2008-05-15