| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Invesco Ltd. | 813,158 | 7.96 | $3,927,553 | 30-Sep-09 | | Henderson Group PLC | 259,229 | 2.54 | $1,252,076 | 30-Sep-09 | | AVIVA PLC | 249,000 | 2.44 | $1,202,670 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 174,000 | 1.70 | $840,420 | 30-Sep-09 | | DnB Nor Asset Management (US), Inc. | 161,700 | 1.58 | $781,011 | 30-Sep-09 | | BRIDGEWAY CAPITAL MANAGEMENT, INC. | 102,383 | 1.00 | $494,509 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 100,976 | .99 | $487,714 | 30-Sep-09 | | BARCLAYS PLC | 94,733 | .93 | $457,560 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 88,315 | .86 | $426,561 | 30-Sep-09 | | BLACKROCK INC. | 85,400 | .84 | $412,482 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | Powershares Exhg Traded Fd Tr-POWERSHARES WILDERHILL CLEAN E | 619,827 | 6.07 | $2,937,979 | 31-Jul-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 142,501 | 1.40 | $832,205 | 30-Jun-09 | | COLLEGE RETIREMENT EQUITIES FUND-GLOBAL EQUITIES ACCOUNT | 87,943 | .86 | $513,587 | 30-Jun-09 | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY MARKET FD | 84,483 | .83 | $493,380 | 30-Jun-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 68,076 | .67 | $397,563 | 30-Jun-09 | | Blackrock Funds-Energy & Resources Portfolio | 63,900 | .63 | $373,176 | 30-Jun-09 | | Powershares Exgh Traded Fd Tr-Powershares Zacks Micro Cap Po | 19,337 | .19 | $91,657 | 31-Jul-09 | | ISHARES Russell Micro Cap (TM) Index Fund | 18,129 | .18 | $87,563 | 30-Sep-09 | | Valic Company I-Small Cap Fd | 17,900 | .18 | $76,075 | 31-Aug-09 | | DFA Tax Managed U.S. Targeted Value Port | 7,141 | .07 | $33,848 | 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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