| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | KORNITZER CAPITAL MANAGEMENT, INC. | 2,129,729 | 9.45 | $43,020,525 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,790,623 | 7.95 | $36,170,584 | 30-Sep-09 | | BROWN CAPITAL MANAGEMENT, INC. | 1,452,534 | 6.45 | $29,341,186 | 30-Sep-09 | | BANK OF AMERICA CORPORATION | 1,436,655 | 6.38 | $29,020,431 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,099,793 | 4.88 | $22,215,818 | 30-Sep-09 | | GOLDMAN SACHS GROUP INC | 1,040,307 | 4.62 | $21,014,201 | 30-Sep-09 | | Invesco Ltd. | 921,154 | 4.09 | $18,607,310 | 30-Sep-09 | | ATLANTA CAPITAL MANAGEMENT COMPANY LLC | 886,994 | 3.94 | $17,917,278 | 30-Sep-09 | | STATE STREET CORPORATION | 637,775 | 2.83 | $12,883,055 | 30-Sep-09 | | ARTISAN PARTNERS LIMITED PARTNERSHIP | 2,552,100 | 11.33 | $51,552,420 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | BUFFALO SMALL CAP FUND | 1,572,092 | 6.98 | $28,643,516 | 30-Jun-09 | | ARTISAN SMALL CAP VALUE FUND | 1,448,100 | 6.43 | $26,384,382 | 30-Jun-09 | | Columbia Fds Ser Tr I-Columbia Select Small Cap Fd | 700,000 | 3.11 | $12,754,000 | 30-Jun-09 | | BROWN CAPITAL MANAGEMENT SMALL COMPANY FUND | 467,732 | 2.08 | $8,522,077 | 30-Jun-09 | | PENNSYLVANIA MUTUAL FUND INC | 400,000 | 1.78 | $7,288,000 | 30-Jun-09 | | AIM SMALL CAP GROWTH FUND | 389,849 | 1.73 | $7,874,949 | 30-Sep-09 | | ISHARES RUSSELL 2000 INDEX FD | 338,549 | 1.50 | $6,838,689 | 30-Sep-09 | | MET INVESTORS SER TR-MET/AIM SMALL CAP GROWTH PORTFOLIO | 332,816 | 1.48 | $6,063,907 | 30-Jun-09 | | ISHARES S&P SMALLCAP 600 INDEX FD | 292,745 | 1.30 | $6,718,497 | 31-Oct-09 | | VANGUARD SMALL-CAP INDEX FUND | 288,058 | 1.28 | $5,248,416 | 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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