| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Barclays Global Investors UK Holdings Ltd | 1,327,462 | 4.40 | $21,783,651 | 30-Sep-09 | | WADDELL & REED FINANCIAL INC. | 1,290,086 | 4.28 | $21,170,311 | 30-Sep-09 | | WASATCH ADVISORS INC | 1,273,732 | 4.22 | $20,901,942 | 30-Sep-09 | | MASSACHUSETTS FINANCIAL SERVICES CO - OTHER | 1,135,720 | 3.77 | $18,637,165 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 816,533 | 2.71 | $13,399,306 | 30-Sep-09 | | ROYCE & ASSOCIATES, LLC | 690,335 | 2.29 | $11,328,397 | 30-Sep-09 | | COLUMBIA PARTNERS, L.L.C, INVESTMENT MANAGEMENT | 672,407 | 2.23 | $11,034,198 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 4,044,200 | 13.41 | $66,365,322 | 30-Sep-09 | | FMR LLC | 3,505,009 | 11.62 | $57,517,197 | 30-Sep-09 | | Copper Rock Capital Partners LLC | 599,097 | 1.99 | $9,831,181 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | PRICE (T.ROWE) NEW HORIZONS FUND | 1,457,800 | 4.83 | $23,922,498 | 30-Sep-09 | | PRICE (T.ROWE) SMALL CAP STOCK FUND | 1,443,500 | 4.79 | $23,687,835 | 30-Sep-09 | | Fidelity Growth Strategies Fund | 1,338,726 | 4.44 | $21,968,493 | 30-Sep-09 | | VARIABLE INSURANCE PRODUCTS FD II-CONTRAFUND PORTFOLIO | 705,920 | 2.34 | $11,584,147 | 30-Sep-09 | | WASATCH SMALL CAP GROWTH FUND | 695,984 | 2.31 | $5,574,831 | 30-Jun-09 | | MFS NEW DISCOVERY FUND | 662,629 | 2.20 | $8,375,630 | 31-Aug-09 | | MFS VARIABLE INSURANCE TRUST-MFS NEW DISCOVERY SERIES | 649,800 | 2.15 | $5,204,898 | 30-Jun-09 | | WADDELL & REED ADVISORS FDS-SMALL CAP FUND | 598,142 | 1.98 | $4,791,117 | 30-Jun-09 | | ROYCE OPPORTUNITY FUND | 508,035 | 1.68 | $4,069,360 | 30-Jun-09 | | FIDELITY BALANCED FUND | 478,800 | 1.59 | $7,857,108 | 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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