| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Barclays Global Investors UK Holdings Ltd | 1,908,119 | 4.25 | $9,483,351 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,512,082 | 3.37 | $7,515,047 | 30-Sep-09 | | ESSEX INVESTMENT MANAGEMENT CO INC | 1,264,639 | 2.82 | $6,285,255 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 1,143,353 | 2.55 | $5,682,464 | 30-Sep-09 | | SALEM INVESTMENT COUNSELORS, INC. | 867,448 | 1.93 | $4,311,216 | 30-Sep-09 | | STATE STREET CORPORATION | 666,629 | 1.48 | $3,313,146 | 30-Sep-09 | | DEUTSCHE BANK AKTIENGESELLSCHAFT | 491,624 | 1.10 | $2,443,371 | 30-Sep-09 | | THRIVENT FINANCIAL FOR LUTHERANS | 456,200 | 1.02 | $2,267,314 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 428,952 | .96 | $2,037,522 | 30-Jun-09 | | KENNEDY CAPITAL MANAGEMENT, INC. | 386,336 | .86 | $1,920,089 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | DFA U.S. MICRO CAP SERIES | 519,514 | 1.16 | $1,922,201 | 30-Apr-09 | | ISHARES RUSSELL 2000 INDEX FD | 506,100 | 1.13 | $2,515,317 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 459,269 | 1.02 | $2,181,527 | 30-Jun-09 | | Managers AMG Funds-Essex Small/Micro Cap Growth Fund | 354,099 | .79 | $1,791,740 | 31-Aug-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 316,284 | .70 | $1,502,349 | 30-Jun-09 | | VANGUARD SMALL-CAP GROWTH INDEX FUND | 290,814 | .65 | $1,381,366 | 30-Jun-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 274,376 | .61 | $1,303,286 | 30-Jun-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 259,096 | .58 | $1,287,707 | 30-Sep-09 | | DWS Advisor Fds-DWS Small Cap Growth Fd | 236,140 | .53 | $1,121,665 | 30-Jun-09 | | DWS Var Ser II-DWS Small Cap Growth VIP | 227,800 | .51 | $1,082,050 | 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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