| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Invesco Ltd. | 1,359,565 | 5.17 | $115,807,746 | 30-Sep-09 | | BAMCO INC. | 1,057,550 | 4.02 | $90,082,109 | 30-Sep-09 | | Allianz Global Investors of America L.P. | 866,700 | 3.30 | $73,825,506 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 866,634 | 3.30 | $73,819,884 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 820,850 | 3.12 | $69,920,003 | 30-Sep-09 | | MUNDER CAPITAL MANAGEMENT, INC. | 797,582 | 3.04 | $67,938,034 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 759,692 | 2.89 | $64,710,564 | 30-Sep-09 | | RAINIER INVESTMENT MANAGEMENT | 721,370 | 2.75 | $61,446,296 | 30-Sep-09 | | KEELEY ASSET MANAGEMENT CORP. | 495,510 | 1.89 | $42,207,541 | 30-Sep-09 | | Pictet Asset Management Ltd | 477,500 | 1.82 | $40,673,450 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | NEUBERGER & BERMAN GENESIS FUND | 1,102,304 | 4.19 | $93,894,254 | 30-Sep-09 | | Powershares Exhg Traded Fd-Powershares Water Resources | 878,524 | 3.34 | $63,095,593 | 31-Jul-09 | | Allianz Fds-NFJ Small Cap Value Fd | 779,600 | 2.97 | $64,184,468 | 31-Aug-09 | | PRICE (T.ROWE) SMALL CAP STOCK FUND | 570,000 | 2.17 | $48,552,600 | 30-Sep-09 | | KEELEY SMALL CAP VALUE FUND, INC. | 495,000 | 1.88 | $42,164,100 | 30-Sep-09 | | Munder Mid-Cap Core Growth Fund | 486,750 | 1.85 | $35,084,940 | 30-Jun-09 | | CALAMOS GROWTH FUND | 300,000 | 1.14 | $25,554,000 | 30-Sep-09 | | RAINIER SMALL/MIDCAP EQUITY PORTFOLIO | 285,730 | 1.09 | $20,595,418 | 30-Jun-09 | | VANGUARD SMALL-CAP INDEX FUND | 224,131 | .85 | $16,155,362 | 30-Jun-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 170,368 | .65 | $12,280,125 | 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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