| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | MAZAMA CAPITAL MANAGEMENT, INC | 1,989,384 | 8.63 | $20,450,867 | 30-Sep-09 | | STATE FARM MUTUAL AUTOMOBILE INSURANCE CO | 1,812,612 | 7.87 | $18,633,651 | 30-Sep-09 | | ALGER (FRED) MANAGEMENT INC | 1,510,736 | 6.56 | $15,530,366 | 30-Sep-09 | | BECK, MACK & OLIVER | 1,272,711 | 5.52 | $13,083,469 | 30-Sep-09 | | GME Capital LLC | 761,120 | 3.30 | $7,824,313 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 677,640 | 2.94 | $6,966,139 | 30-Sep-09 | | STATE STREET CORPORATION | 377,343 | 1.64 | $3,879,086 | 30-Sep-09 | | WESTFIELD CAPITAL MANAGEMENT COMPANY | 332,000 | 1.44 | $3,412,960 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 263,822 | 1.14 | $2,712,090 | 30-Sep-09 | | MORGAN STANLEY | 244,792 | 1.06 | $2,516,461 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | ALGER MIDCAP GROWTH INSTITUTIONAL PORTFOLIO | 1,108,660 | 4.81 | $10,266,191 | 31-Jul-09 | | ALGER FUND-MIDCAP GROWTH PORTFOLIO | 378,600 | 1.64 | $3,505,836 | 31-Jul-09 | | FIDELITY ADVISOR GROWTH OPPORTUNITIES FUND | 284,486 | 1.23 | $2,884,688 | 31-Oct-09 | | ISHARES RUSSELL 2000 INDEX FD | 258,480 | 1.12 | $2,620,987 | 31-Oct-09 | | ALGER AMERICAN FUND-MIDCAP GROWTH PORTFOLIO | 163,700 | .71 | $1,345,614 | 30-Jun-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 147,384 | .64 | $1,494,473 | 31-Oct-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 99,208 | .43 | $815,489 | 30-Jun-09 | | DWS Global Opportunities Fd | 95,400 | .41 | $883,404 | 31-Jul-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 92,743 | .40 | $762,347 | 30-Jun-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 89,845 | .39 | $738,525 | 30-Jun-09 |
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Value shown is computed using the security's price on the report date given.
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