X0202 5 2004-12-31 0 0 0 0001060349 GABELLI ASSET MANAGEMENT INC GBL 0001052192 CASCADE INVESTMENT LLC 2365 CARILLON POINT KIRKLAND WA 98033 0 0 1 0 0000902012 GATES WILLIAM H III 2365 CARILLON POINT KIRKLAND WA 98033 0 0 1 0 Convertible Promissory Note 52 2003-08-14 5 J 0 0 A 2001-08-14 2011-08-14 Class A Common Stock 1923076 1923076 D The Reporting Person holds a promissory note in principal amount of $100 million that was issued on August 14, 2001, which is convertible into shares of the Issuer's Class A Common Stock. The Reporting Person has not acquired or disposed of any shares of the Issuer's Class A Common Stock since receiving the promissory note. This Form 5 is being filed to report a change in the number of shares issuable upon conversion of the note as a result of an adjustment of the conversion price of the note from $53 to $52, which occurred on August 14, 2003, as a result of an amendment to the note purchase agreement. The conversion price is subject to additional anti-dilution adjustment as set forth in the note, a copy of which is attached as Exhibit 4.2 to the Issuer's Form 10-Q for the quarter ended June 30, 2004, filed with the SEC on August 9, 2004. * Duly authorized under Special Power of Attorney appointing Michael Larson attorney-in-fact, dated February 4, 2005, by and 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. Cascade Investment, L.L.C. By: /s/ Michael Larson; Name: Michael Larson; Title: Business Manager 2005-02-11 WILLIAM H. GATES III By: /s/ Michael Larson; Name: Michael Larson*; Title: Attorney-in-Fact 2005-02-11