X0303 4 2009-02-12 0001060391 REPUBLIC SERVICES, INC. RSG 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 Common Stock 2009-02-12 4 P 0 235471 23.4824 A 48665040 D Common Stock 2009-02-12 4 P 0 264529 24.2026 A 48929569 D This transaction was executed in multiple trades at prices ranging from $22.87 to $23.865. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected. This transaction was executed in multiple trades at prices ranging from $23.87 to $24.66. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected. (a) Duly authorized under Special Limited Power of Attorney appointing Alan D. Heuberger attorney-in-fact, dated August 12, 2008, on behalf of Michael Larson, filed as Exhibit 24.1 to Cascade Investment, L.L.C.'s amended Form 4 with respect to Republic Services, Inc. on February 17, 2009, and incorporated herein by reference. (b) Duly authorized under Special Limited Power of Attorney appointing Alan D. Heuberger attorney-in-fact, dated August 12, 2008, on behalf of William H. Gates III, filed as Exhibit 24.2 to Cascade Investment, L.L.C.'s amended Form 4 with respect to Republic Services, Inc. on February 17, 2009, and incorporated herein by reference. Cascade Investment, L.L.C. By: /s/ Alan D. Heuberger, Attorney-In-Fact for Michael Larson, Business Manager (a) 2009-02-17 /s/ Alan D. Heuberger, Attorney-In-Fact for William H Gates III (b) 2009-02-17