| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | ROYCE & ASSOCIATES, LLC | 9,075,777 | 5.17 | $19,331,405 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 7,374,750 | 4.20 | $15,708,217 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 4,697,519 | 2.67 | $10,005,715 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 3,972,449 | 2.26 | $8,461,316 | 30-Sep-09 | | Invus Public Equities Advisors, LLC | 3,891,108 | 2.21 | $8,288,060 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 2,902,165 | 1.65 | $6,181,611 | 30-Sep-09 | | SCHRODER INVESTMENT MANAGEMENT GROUP | 1,776,400 | 1.01 | $3,783,732 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 1,547,127 | .88 | $3,295,380 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 1,353,411 | .77 | $2,882,765 | 30-Sep-09 | | STATE STREET CORPORATION | 1,300,757 | .74 | $2,770,612 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | ROYCE MICRO-CAP FUND | 3,004,591 | 1.71 | $3,725,692 | 30-Jun-09 | | PRICE (T.ROWE) SMALL-CAP VALUE FUND | 2,754,550 | 1.57 | $5,867,191 | 30-Sep-09 | | PRICE (T.ROWE) NEW HORIZONS FUND | 2,672,700 | 1.52 | $5,692,851 | 30-Sep-09 | | ROYCE LOW-PRICED STOCK FUND | 2,027,300 | 1.15 | $2,513,852 | 30-Jun-09 | | ROYCE CAPITAL FUND-MICRO-CAP PORTFOLIO | 1,718,686 | .98 | $2,131,170 | 30-Jun-09 | | PENNSYLVANIA MUTUAL FUND INC | 1,497,400 | .85 | $1,856,776 | 30-Jun-09 | | DFA U.S. SMALL CAP VALUE SERIES | 1,349,450 | .77 | $1,484,395 | 30-Apr-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 1,306,578 | .74 | $1,620,156 | 30-Jun-09 | | ISHARES RUSSELL 2000 INDEX FD | 1,169,700 | .67 | $2,491,461 | 30-Sep-09 | | ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND | 1,132,771 | .64 | $1,483,930 | 31-Oct-09 |
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Value shown is computed using the security's price on the report date given.
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