| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | RHO CAPITAL PARTNERS INC | 4,865,709 | 5.62 | $6,568,707 | 30-Jun-09 | | ORACLE INVESTMENT MANAGEMENT, INC. | 3,233,420 | 3.74 | $3,718,433 | 30-Sep-09 | | DEUTSCHE BANK AKTIENGESELLSCHAFT | 2,420,578 | 2.80 | $2,783,664 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 2,419,498 | 2.80 | $2,782,422 | 30-Sep-09 | | TALON ASSET MANAGEMENT | 2,029,513 | 2.35 | $2,333,939 | 30-Sep-09 | | PENNANT CAPITAL MANAGEMENT, LLC | 1,540,000 | 1.78 | $1,771,000 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,276,578 | 1.48 | $1,468,064 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 919,202 | 1.06 | $1,057,082 | 30-Sep-09 | | STATE STREET CORPORATION | 560,243 | .65 | $644,279 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 451,094 | .52 | $518,758 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | DWS Global Opportunities Fd | 1,121,484 | 1.30 | $1,626,151 | 31-Jul-09 | | DFA U.S. SMALL CAP VALUE SERIES | 504,849 | .58 | $732,031 | 31-Jul-09 | | ISHARES RUSSELL 2000 INDEX FD | 480,879 | .56 | $471,261 | 31-Oct-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 473,043 | .55 | $638,608 | 30-Jun-09 | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY MARKET FD | 450,600 | .52 | $518,190 | 30-Sep-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 379,194 | .44 | $511,911 | 30-Jun-09 | | DWS Var Ser I-DWS Global Opportunities VIP | 377,734 | .44 | $509,940 | 30-Jun-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 275,075 | .32 | $269,573 | 31-Oct-09 | | DWS Advisor Fds-DWS Small Cap Growth Fd | 242,000 | .28 | $326,700 | 30-Jun-09 | | ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND | 237,646 | .27 | $232,893 | 31-Oct-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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