Ownership Summary

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Top Holders
 Shares Held% O/SShare ChangeFiling Date
AllianceBernstein L.P.18,695,1316.1-2,973,34209/30/09
Sommerhauser (Peter M)17,644,1065.8001/31/09
T. Rowe Price Associates, Inc.14,480,5734.71,642,63009/30/09
Vanguard Group, Inc.10,290,9413.4192,67109/30/09
State Street Global Advisors (US)10,158,8473.3-7,00309/30/09
PRIMECAP Management Company9,399,8133.1-65,00009/30/09
Jennison Associates LLC9,223,8753.01,611,72909/30/09
Barclays Global Investors, N.A.8,899,4442.9-255,42209/30/09
Fidelity Management & Research8,330,9412.7-1,908,40009/30/09
Lord, Abbett & Co. LLC6,886,7442.3-3,564,22709/30/09
Ownership data based on most recent publicly available data according to Thomson Financial.