| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | WELLINGTON MANAGEMENT COMPANY, LLP | 11,255,200 | 8.91 | $15,307,072 | 30-Sep-09 | | HEARTLAND ADVISORS INC. | 7,926,900 | 6.28 | $10,780,584 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 6,367,261 | 5.04 | $8,659,474 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 2,562,357 | 2.03 | $3,484,805 | 30-Sep-09 | | STATE STREET CORPORATION | 1,879,717 | 1.49 | $2,556,415 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 1,428,423 | 1.13 | $1,942,655 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 1,281,907 | 1.02 | $1,358,821 | 30-Jun-09 | | WELLS FARGO & COMPANY | 885,005 | .70 | $1,203,606 | 30-Sep-09 | | TIAA-CREF INVESTMENT MANAGEMENT, LLC | 787,322 | .62 | $1,070,757 | 30-Sep-09 | | Concordia Advisors (Bermuda) Ltd | 546,928 | .43 | $743,822 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | HEARTLAND VALUE FUND | 7,185,000 | 5.69 | $7,616,100 | 30-Jun-09 | | ISHARES RUSSELL 2000 INDEX FD | 1,762,453 | 1.40 | $2,396,936 | 30-Sep-09 | | ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND | 1,140,443 | .90 | $1,060,611 | 31-Oct-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 1,053,042 | .83 | $1,116,224 | 30-Jun-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 928,674 | .74 | $1,262,996 | 30-Sep-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 903,567 | .72 | $957,781 | 30-Jun-09 | | DFA U.S. SMALL CAP VALUE SERIES | 624,438 | .49 | $543,261 | 30-Apr-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 546,834 | .43 | $579,644 | 30-Jun-09 | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY MARKET FD | 541,500 | .43 | $573,990 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 293,850 | .23 | $255,649 | 30-Apr-09 |
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Value shown is computed using the security's price on the report date given.
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