| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | COLUMBIA WANGER ASSET MANAGEMENT, L.P. | 4,626,000 | 9.64 | $5,551,200 | 30-Sep-09 | | PATE CAPITAL PARTNERS, LP | 900,000 | 1.87 | $1,080,000 | 30-Sep-09 | | Firelake Capital Management, LLC | 600,000 | 1.25 | $408,000 | 31-Dec-08 | | DEUTSCHE BANK AKTIENGESELLSCHAFT | 517,094 | 1.08 | $620,512 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 365,600 | .76 | $438,720 | 30-Sep-09 | | BRIDGEWAY CAPITAL MANAGEMENT, INC. | 272,471 | .57 | $326,965 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 264,295 | .55 | $317,154 | 30-Sep-09 | | Sound Energy Partners Inc. | 193,327 | .40 | $231,992 | 30-Sep-09 | | COMMERZBANK AKTIENGESELLSCHAFT | 190,500 | .40 | $228,600 | 30-Sep-09 | | BIDWELL (C.M.) & ASSOCIATES, LTD. | 176,700 | .37 | $212,040 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | COLUMBIA ACORN SELECT FD | 2,500,000 | 5.21 | $2,875,000 | 30-Jun-09 | | COLUMBIA ACORN FD | 1,800,000 | 3.75 | $2,070,000 | 30-Jun-09 | | WANGER ADVISOR TRUST-SELECT, VARIABLE SERIES | 326,000 | .68 | $374,900 | 30-Jun-09 | | PRICE (T.ROWE) SMALL CAP STOCK FUND | 295,800 | .62 | $354,960 | 30-Sep-09 | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY MARKET FD | 198,326 | .41 | $228,074 | 30-Jun-09 | | SEI INSTITUTIONAL MANAGED TR-SMALL CAP VALUE FUND | 68,800 | .14 | $79,120 | 30-Jun-09 | | SEI INSTITUTIONAL INVESTMENT TR-SMALL CAP FUND | 65,600 | .14 | $35,424 | 31-May-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 33,393 | .07 | $38,401 | 30-Jun-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 22,670 | .05 | $27,204 | 30-Sep-09 | | PRICE (T.ROWE) INSTITUTIONAL SMALL-CAP STOCK FUND | 22,400 | .05 | $25,760 | 30-Jun-09 |
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*
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Value shown is computed using the security's price on the report date given.
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