| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Barclays Global Investors UK Holdings Ltd | 2,568,858 | 6.02 | $8,297,411 | 30-Sep-09 | | INGALLS & SNYDER | 1,087,394 | 2.55 | $3,512,282 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 857,531 | 2.01 | $2,769,825 | 30-Sep-09 | | STATE STREET CORPORATION | 740,450 | 1.74 | $2,391,653 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 731,916 | 1.72 | $2,364,088 | 30-Sep-09 | | SALEM INVESTMENT COUNSELORS, INC. | 717,169 | 1.68 | $2,316,455 | 30-Sep-09 | | POTOMAC CAPITAL MANAGEMENT, INC. | 647,273 | 1.52 | $2,090,691 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 463,566 | 1.09 | $1,770,822 | 30-Jun-09 | | TIAA-CREF INVESTMENT MANAGEMENT, LLC | 236,193 | .55 | $762,903 | 30-Sep-09 | | Bank of New York Mellon Corporation | 213,304 | .50 | $688,971 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | ISHARES RUSSELL 2000 INDEX FD | 627,921 | 1.47 | $2,028,184 | 30-Sep-09 | | DFA U.S. MICRO CAP SERIES | 361,874 | .85 | $1,360,646 | 30-Apr-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 327,283 | .77 | $1,057,124 | 30-Sep-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 304,806 | .71 | $1,164,358 | 30-Jun-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 270,000 | .63 | $1,031,400 | 30-Jun-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 211,262 | .50 | $807,020 | 30-Jun-09 | | FIDELITY SELECT PORTFOLIOS - NATURAL GAS PORTFOLIO | 100,000 | .23 | $323,000 | 30-Sep-09 | | ISHARES Russell Micro Cap (TM) Index Fund | 76,209 | .18 | $246,155 | 30-Sep-09 | | DFA U.S. SMALL CAP SERIES | 70,714 | .17 | $265,884 | 30-Apr-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 67,613 | .16 | $218,389 | 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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