| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Barclays Global Investors UK Holdings Ltd | 388,295 | 3.77 | $3,929,545 | 30-Sep-09 | | BOSTON TRUST & INVESTMENT MANAGEMENT CO. | 207,567 | 2.02 | $2,100,578 | 30-Sep-09 | | RR Advisors, LLC | 1,837,000 | 17.84 | $18,590,440 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 190,069 | 1.85 | $1,923,498 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 131,245 | 1.27 | $1,328,199 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 102,100 | .99 | $1,033,252 | 30-Sep-09 | | STATE STREET CORPORATION | 98,780 | .96 | $999,653 | 30-Sep-09 | | Cutter & Co. Brokerage, Inc. | 77,850 | .76 | $787,842 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 56,100 | .54 | $599,148 | 30-Jun-09 | | TIAA-CREF INVESTMENT MANAGEMENT, LLC | 38,238 | .37 | $386,968 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | ISHARES RUSSELL 2000 INDEX FD | 102,928 | 1.00 | $1,041,631 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 95,730 | .93 | $1,022,396 | 30-Jun-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 66,075 | .64 | $705,681 | 30-Jun-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 44,088 | .43 | $446,170 | 30-Sep-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 32,445 | .32 | $346,512 | 30-Jun-09 | | Coventry Group-Boston Small Cap Equity Fund | 27,200 | .26 | $290,496 | 30-Jun-09 | | DFA TAX-MANAGED U.S. SMALL CAP PORTFOLIO | 25,703 | .25 | $325,399 | 31-Jul-09 | | VANGUARD INSTITUTIONAL INDEX-INST TOTAL STOCK MARKET IND | 16,225 | .16 | $121,200 | 31-Mar-09 | | DFA U.S. MICRO CAP SERIES | 15,215 | .15 | $127,045 | 30-Apr-09 | | DFA U.S. Core Equity 2 Portfolio | 13,101 | .13 | $109,393 | 30-Apr-09 |
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Value shown is computed using the security's price on the report date given.
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