| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | COLUMBIA WANGER ASSET MANAGEMENT, L.P. | 2,147,100 | 6.01 | $36,973,062 | 30-Sep-09 | | SAM Sustainable Asset Management Ltd | 1,612,500 | 4.51 | $27,767,250 | 30-Sep-09 | | DEUTSCHE BANK AKTIENGESELLSCHAFT | 1,383,802 | 3.87 | $23,829,070 | 30-Sep-09 | | THOMSON HORSTMANN & BRYANT, INC. | 503,800 | 1.41 | $8,675,436 | 30-Sep-09 | | SHAW D.E. & CO., INC. | 456,535 | 1.28 | $7,861,532 | 30-Sep-09 | | MORGAN STANLEY | 377,240 | 1.06 | $6,496,072 | 30-Sep-09 | | GOLDMAN SACHS GROUP INC | 356,648 | 1.00 | $6,141,478 | 30-Sep-09 | | Claymore Advisors, LLC | 303,116 | .85 | $5,219,657 | 30-Sep-09 | | FMR LLC | 300,000 | .84 | $5,166,000 | 30-Sep-09 | | CAVALRY ASSET MANAGEMENT, LP | 233,090 | .65 | $4,013,809 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | COLUMBIA ACORN SELECT FD | 1,900,000 | 5.32 | $23,028,000 | 30-Jun-09 | | Claymore ETF Tr 2-Claymore/MAC Gobal Solar Energy Index ETF | 329,289 | .92 | $4,853,719 | 31-Aug-09 | | FIDELITY ADVISOR DIVERSIFIED STOCK FUND | 300,000 | .84 | $5,166,000 | 30-Sep-09 | | OPPENHEIMER GOLD & SPECIAL MINERALS FUND, INC. | 254,000 | .71 | $3,078,480 | 30-Jun-09 | | WANGER ADVISOR TRUST-SELECT, VARIABLE SERIES | 247,100 | .69 | $2,994,852 | 30-Jun-09 | | Powershares Exhg Traded Fd-Powershares Golden Dragon Halter | 105,740 | .30 | $1,537,459 | 31-Jul-09 | | Market Vectors ETF Tr-Solar Energy ETF | 41,009 | .11 | $497,029 | 30-Jun-09 | | Allianz Fds-RCM Technology Fd | 35,260 | .10 | $519,732 | 31-Aug-09 | | First Tr Exchange Traded Fd-First Tr ISE Chindia Index Fund | 33,249 | .09 | $402,977 | 30-Jun-09 | | First Trust Nasdaq (R) Clean Edge (R) Green Energy Index Fun | 32,022 | .09 | $388,106 | 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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