X0202 4 2008-01-30 0 0001060349 GAMCO INVESTORS, INC. ET AL GBL 0001052192 CASCADE INVESTMENT LLC 2365 CARILLON POINT KIRKLAND WA 98033 0 0 1 0 0000902012 GATES WILLIAM H III ONE MICROSOFT WAY REDMOND WA 98052 0 0 1 0 Class A Common Stock 2008-01-30 4 S 0 800 59.20 D 117345 D Class A Common Stock 2008-01-30 4 S 0 500 59.17 D 116845 D Class A Common Stock 2008-01-30 4 S 0 600 59.15 D 116245 D Class A Common Stock 2008-01-30 4 S 0 100 59.06 D 116145 D Class A Common Stock 2008-01-30 4 S 0 200 59.05 D 115945 D Class A Common Stock 2008-01-30 4 S 0 900 58.94 D 115045 D Class A Common Stock 2008-01-30 4 S 0 1500 58.64 D 113545 D Class A Common Stock 2008-01-30 4 S 0 591 58.62 D 112954 D Class A Common Stock 2008-01-30 4 S 0 509 58.37 D 112445 D Class A Common Stock 2008-01-30 4 S 0 1600 58.30 D 110845 D Class A Common Stock 2008-01-30 4 S 0 500 58.27 D 110345 D Class A Common Stock 2008-01-30 4 S 0 1700 58.07 D 108645 D Class A Common Stock 2008-01-30 4 S 0 500 58.03 D 108145 D Class A Common Stock 2008-01-30 4 S 0 1200 58.00 D 106945 D Class A Common Stock 2008-01-30 4 S 0 600 57.86 D 106345 D Class A Common Stock 2008-01-30 4 S 0 1500 57.66 D 104845 D Class A Common Stock 2008-01-30 4 S 0 1000 57.39 D 103845 D Class A Common Stock 2008-01-30 4 S 0 1000 57.36 D 102845 D Class A Common Stock 2008-01-30 4 S 0 900 57.25 D 101945 D Class A Common Stock 2008-01-30 4 S 0 1000 57.15 D 100945 D Class A Common Stock 2008-01-30 4 S 0 1500 57.08 D 99445 D Class A Common Stock 2008-01-30 4 S 0 3129 56.96 D 96316 D Class A Common Stock 2008-01-30 4 S 0 3200 56.87 D 93116 D Class A Common Stock 2008-01-30 4 S 0 1571 56.84 D 91545 D * 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. Cascade Investment, L.L.C. By: /s/ Michael Larson, Business Manager 2008-02-01 William H. Gates III By: /s/ Michael Larson* Attorney-In-Fact 2008-02-01