| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | NEUBERGER BERMAN GROUP, LLC | 3,623,848 | 6.59 | $107,809,478 | 30-Sep-09 | | TIMES SQUARE CAPITAL MANAGEMENT | 1,605,500 | 2.92 | $47,763,625 | 30-Sep-09 | | ALGER (FRED) MANAGEMENT INC | 1,273,302 | 2.32 | $37,880,734 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,248,490 | 2.27 | $37,142,577 | 30-Sep-09 | | COLUMBUS CIRCLE INVESTORS | 1,052,404 | 1.91 | $31,309,019 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 966,043 | 1.76 | $28,739,779 | 30-Sep-09 | | WELLS FARGO & COMPANY | 883,550 | 1.61 | $26,285,612 | 30-Sep-09 | | COLUMBIA WANGER ASSET MANAGEMENT, L.P. | 882,150 | 1.60 | $26,243,962 | 30-Sep-09 | | THOMSON HORSTMANN & BRYANT, INC. | 841,950 | 1.53 | $25,048,012 | 30-Sep-09 | | Capital Research Global Investors | 833,100 | 1.52 | $24,784,725 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | NEUBERGER & BERMAN GENESIS FUND | 2,805,726 | 5.10 | $83,470,348 | 30-Sep-09 | | NEW ECONOMY FUND (THE) | 833,100 | 1.52 | $24,784,725 | 30-Sep-09 | | COLUMBIA ACORN FD | 650,500 | 1.18 | $19,352,375 | 30-Sep-09 | | ADVISORS INNER CIRCLE FUND-ICM SMALL COMPANY PORTFOLIO | 556,700 | 1.01 | $14,468,633 | 31-Jul-09 | | SENTINEL SMALL COMPANY FUND | 430,000 | .78 | $11,571,300 | 31-Oct-09 | | VANGUARD EXPLORER FUND, INC. | 377,775 | .69 | $9,818,372 | 31-Jul-09 | | Fidelity Small Cap Growth Fund | 348,000 | .63 | $9,044,520 | 31-Jul-09 | | Manning & Napier Maryland Life Sciences Series Fund | 293,000 | .53 | $5,857,070 | 30-Jun-09 | | Wells Fargo Advantage Small Cap Growth Fd | 261,967 | .48 | $7,049,531 | 31-Oct-09 | | Fidelity Small Cap Opportunities Fund | 254,000 | .46 | $6,601,460 | 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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