| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | RUANE, CUNNIFF & GOLDFARB INC. | 11,740,695 | 7.92 | $454,364,896 | 30-Sep-09 | | Bank of New York Mellon Corporation | 8,865,851 | 5.98 | $343,108,433 | 30-Sep-09 | | BLAIR (WILLIAM) & COMPANY, L.L.C. | 7,721,701 | 5.21 | $298,829,828 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 6,579,835 | 4.44 | $254,639,614 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 6,405,000 | 4.32 | $247,873,500 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 5,408,124 | 3.65 | $209,294,398 | 30-Sep-09 | | BAMCO INC. | 4,368,890 | 2.95 | $169,076,043 | 30-Sep-09 | | STATE STREET CORPORATION | 4,298,611 | 2.90 | $166,356,245 | 30-Sep-09 | | DENT (D.F.) & COMPANY, INC. | 3,879,982 | 2.62 | $150,155,303 | 30-Sep-09 | | LATEEF INVESTEMENT MANAGEMENT | 2,997,058 | 2.02 | $115,986,144 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | PRICE (T.ROWE) MID CAP GROWTH FUND | 3,550,000 | 2.39 | $137,385,000 | 30-Sep-09 | | SEQUOIA FUND INC | 3,475,384 | 2.34 | $134,497,360 | 30-Sep-09 | | FUNDAMENTAL INVESTORS INC | 2,500,500 | 1.69 | $96,769,350 | 30-Sep-09 | | BARON PARTNERS FUND | 2,500,000 | 1.69 | $96,750,000 | 30-Sep-09 | | VANGUARD MID-CAP INDEX FUND | 1,431,825 | .97 | $55,411,627 | 30-Sep-09 | | BARON ASSET FUND | 1,400,000 | .94 | $54,180,000 | 30-Sep-09 | | VANGUARD 500 INDEX FUND | 1,263,969 | .85 | $48,915,600 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 1,238,632 | .84 | $41,085,423 | 30-Jun-09 | | SPDR TRUST SERIES 1 | 996,707 | .67 | $38,572,560 | 30-Sep-09 | | VANGUARD INSTITUTIONAL INDEX FUND-INSTITUTIONAL INDEX FD | 917,425 | .62 | $35,504,347 | 30-Sep-09 |
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Value shown is computed using the security's price on the report date given.
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