X0202 4 2004-04-29 0000789019 MICROSOFT CORP MSFT 0000902012 GATES WILLIAM H III ONE MICROSOFT WAY REDMOND WA 98052 1 1 1 0 Chairman of the Board Common Stock 2004-04-29 4 S 0 22900 26.91 D 1137476436 D Common Stock 2004-04-29 4 S 0 77100 26.90 D 1137399336 D Common Stock 2004-04-29 4 S 0 25000 26.88 D 1137374336 D Common Stock 2004-04-29 4 S 0 65000 26.87 D 1137309336 D Common Stock 2004-04-29 4 S 0 35100 26.86 D 1137274236 D Common Stock 2004-04-29 4 S 0 75000 26.85 D 1137199236 D Common Stock 2004-04-29 4 S 0 100 26.83 D 1137199136 D Common Stock 2004-04-29 4 S 0 24900 26.82 D 1137174236 D Common Stock 2004-04-29 4 S 0 100100 26.80 D 1137074136 D Common Stock 2004-04-29 4 S 0 75500 26.79 D 1136998636 D Common Stock 2004-04-29 4 S 0 79400 26.78 D 1136919236 D Common Stock 2004-04-29 4 S 0 69900 26.77 D 1136849336 D Common Stock 2004-04-29 4 S 0 50000 26.76 D 1136799336 D Common Stock 2004-04-29 4 S 0 100000 26.75 D 1136699336 D Common Stock 2004-04-29 4 S 0 50000 26.74 D 1136649336 D Common Stock 2004-04-29 4 S 0 50000 26.73 D 1136599336 D Common Stock 2004-04-29 4 S 0 25000 26.71 D 1136574336 D Common Stock 2004-04-29 4 S 0 75000 26.70 D 1136499336 D Common Stock 2004-04-29 4 S 0 27200 26.68 D 1136472136 D Common Stock 2004-04-29 4 S 0 47800 26.67 D 1136424336 D Common Stock 2004-04-29 4 S 0 50000 26.66 D 1136374336 D Common Stock 2004-04-29 4 S 0 74800 26.62 D 1136299536 D Common Stock 2004-04-29 4 S 0 99900 26.60 D 1136199636 D Common Stock 2004-04-29 4 S 0 25000 26.59 D 1136174636 D Common Stock 2004-04-29 4 S 0 50100 26.58 D 1136124536 D Common Stock 2004-04-29 4 S 0 50000 26.57 D 1136074536 D Common Stock 2004-04-29 4 S 0 25000 26.56 D 1136049536 D Common Stock 2004-04-29 4 S 0 200 26.53 D 1136049336 D Common Stock 2004-04-29 4 S 0 100000 26.51 D 1135949336 D Common Stock 2004-04-29 4 S 0 75000 26.50 D 1135874336 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. Michael Larson, on behalf of William H. Gates III. Authorized under power of attorney dated 3/14/2001 by William H. Gates III, filed on 3/19/2001 with Cascade Investment's Schedule 13D, SEC File No. 005-52919. 2004-05-03