| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | BVF INC. | 5,288,754 | 19.57 | $4,759,878 | 30-Sep-09 | | MAK Capital One LLC | 5,220,057 | 19.32 | $4,698,051 | 30-Sep-09 | | HIGHLAND CAPITAL MANAGEMENT LP | 4,737,479 | 17.53 | $4,263,731 | 30-Sep-09 | | Weiss Asset Management LLC | 310,211 | 1.15 | $279,189 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 309,929 | 1.15 | $278,936 | 30-Sep-09 | | Weiss Capital, LLC | 167,037 | .62 | $150,333 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 122,233 | .45 | $110,009 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 61,300 | .23 | $41,684 | 30-Jun-09 | | BANK OF AMERICA CORPORATION | 38,872 | .14 | $34,984 | 30-Sep-09 | | JOHNSTON ASSET MANAGEMENT CORP. | 33,000 | .12 | $29,700 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 14,300 | .05 | $9,724 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 870 | .00 | $643 | 30-Apr-09 | | VANGUARD BALANCED INDEX FUND | 776 | .00 | $527 | 30-Jun-09 | | VANGUARD INSTITUTIONAL INDEX-INST TOTAL STOCK MARKET IND | 619 | .00 | $414 | 31-Mar-09 | | VANTAGEPOINT MID/SMALL COMPANY INDEX FUND | 448 | .00 | $304 | 30-Jun-09 | | VANTAGEPOINT FDS-BROAD MARKET INDEX FUND | 448 | .00 | $304 | 30-Jun-09 |
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*
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Value shown is computed using the security's price on the report date given.
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