| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Barclays Global Investors UK Holdings Ltd | 3,506,834 | 3.83 | $28,756,038 | 30-Sep-09 | | ALGER (FRED) MANAGEMENT INC | 3,189,743 | 3.49 | $26,155,892 | 30-Sep-09 | | WADDELL & REED FINANCIAL INC. | 2,851,400 | 3.12 | $23,381,480 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 2,616,053 | 2.86 | $21,451,634 | 30-Sep-09 | | CHARTWELL INVESTMENT PARTNERS | 2,153,524 | 2.35 | $17,658,896 | 30-Sep-09 | | KORNITZER CAPITAL MANAGEMENT, INC. | 10,124,200 | 11.07 | $83,018,440 | 30-Sep-09 | | Copper Rock Capital Partners LLC | 1,659,557 | 1.81 | $13,608,367 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 1,622,725 | 1.77 | $13,306,345 | 30-Sep-09 | | STATE STREET CORPORATION | 1,601,132 | 1.75 | $13,129,282 | 30-Sep-09 | | TURNER INVESTMENT PARTNERS, INC. | 1,471,840 | 1.61 | $12,069,088 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | BUFFALO SMALL CAP FUND | 8,233,000 | 9.00 | $50,221,300 | 30-Jun-09 | | WADDELL & REED ADVISORS FDS-NEW CONCEPTS FUND | 2,337,000 | 2.56 | $14,255,700 | 30-Jun-09 | | FIDELITY MID-CAP STOCK FUND | 1,000,000 | 1.09 | $8,200,000 | 30-Sep-09 | | EQ Advisors Trust-EQ/GAMCO Small Company Value Portfolio | 920,000 | 1.01 | $5,612,000 | 30-Jun-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 846,862 | .93 | $5,165,858 | 30-Jun-09 | | ISHARES RUSSELL 2000 INDEX FD | 838,832 | .92 | $6,878,422 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 722,684 | .79 | $4,408,372 | 30-Jun-09 | | GABELLI SMALL CAP GROWTH FUND | 690,000 | .75 | $5,658,000 | 30-Sep-09 | | THRIVENT MID CAP GROWTH PORTFOLIO | 601,600 | .66 | $3,459,200 | 31-Oct-09 | | ALGER SMALL CAP GROWTH INSTITUTIONAL PORTFOLIO | 558,050 | .61 | $4,096,087 | 31-Jul-09 |
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Value shown is computed using the security's price on the report date given.
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