| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Invesco Ltd. | 9,097,326 | 5.91 | $49,853,346 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 7,308,330 | 4.75 | $40,049,648 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 6,971,129 | 4.53 | $38,201,786 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 6,277,549 | 4.08 | $34,400,968 | 30-Sep-09 | | KEELEY ASSET MANAGEMENT CORP. | 5,896,897 | 3.83 | $32,314,995 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 5,748,914 | 3.74 | $31,504,048 | 30-Sep-09 | | Moody Aldrich Partners, LLC | 5,216,907 | 3.39 | $28,588,650 | 30-Sep-09 | | SAM Sustainable Asset Management Ltd | 5,129,708 | 3.33 | $28,110,799 | 30-Sep-09 | | WELLS FARGO & COMPANY | 4,813,305 | 3.13 | $26,376,911 | 30-Sep-09 | | INTEGRITY ASSET MANAGEMENT LLC | 3,915,634 | 2.54 | $21,457,674 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | Powershares Exhg Traded Fd-Powershares Water Resources | 10,387,309 | 6.75 | $40,095,012 | 31-Jul-09 | | KEELEY SMALL CAP VALUE FUND, INC. | 3,545,000 | 2.30 | $19,426,600 | 30-Sep-09 | | OAKMARK EQUITY AND INCOME FUND | 2,442,700 | 1.59 | $9,135,698 | 30-Jun-09 | | DFA U.S. SMALL CAP VALUE SERIES | 2,214,313 | 1.44 | $8,547,248 | 31-Jul-09 | | ISHARES RUSSELL 2000 INDEX FD | 2,056,862 | 1.34 | $9,214,741 | 31-Oct-09 | | COLUMBIA ACORN FD | 1,750,000 | 1.14 | $9,590,000 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 1,412,992 | .92 | $5,284,590 | 30-Jun-09 | | Wells Fargo Advantage Small Cap Growth Fd | 1,380,650 | .90 | $6,185,312 | 31-Oct-09 | | ISHARES RUSSELL 2000 VALUE INDEX FD | 1,224,668 | .80 | $5,486,512 | 31-Oct-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 988,482 | .64 | $3,696,922 | 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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