| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Barclays Global Investors UK Holdings Ltd | 2,961,039 | 4.96 | $15,486,233 | 30-Sep-09 | | Cadence Capital Management | 2,228,810 | 3.73 | $11,656,676 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 2,212,148 | 3.70 | $11,569,534 | 30-Sep-09 | | PRUDENTIAL FINANCIAL, INC. | 1,826,400 | 3.06 | $9,552,072 | 30-Sep-09 | | JANUS CAPITAL MANAGEMENT, LLC | 1,687,900 | 2.83 | $8,827,717 | 30-Sep-09 | | Rivanna Capital, LLC | 1,525,590 | 2.55 | $7,978,835 | 30-Sep-09 | | STATE STREET CORPORATION | 1,304,682 | 2.18 | $6,823,486 | 30-Sep-09 | | Netols Asset Management, Inc. | 1,042,851 | 1.75 | $5,454,110 | 30-Sep-09 | | NUMERIC INVESTORS, LLC | 949,625 | 1.59 | $4,966,538 | 30-Sep-09 | | Interlachen Capital Group LP | 916,384 | 1.53 | $4,792,688 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | JANUS VENTURE FUND | 1,512,505 | 2.53 | $7,910,401 | 30-Sep-09 | | ISHARES RUSSELL 2000 INDEX FD | 764,838 | 1.28 | $3,778,299 | 30-Nov-09 | | Unified Series Trust-Auer Growth Fd | 650,000 | 1.09 | $3,211,000 | 30-Nov-09 | | VANGUARD SMALL-CAP INDEX FUND | 580,124 | .97 | $3,295,104 | 30-Jun-09 | | HARTFORD SMALL COMPANY HLS FUND, INC. | 474,000 | .79 | $2,479,020 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 464,251 | .78 | $2,636,945 | 30-Jun-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 430,297 | .72 | $2,125,667 | 30-Nov-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 423,180 | .71 | $2,403,662 | 30-Jun-09 | | VANGUARD SMALL-CAP GROWTH INDEX FUND | 392,536 | .66 | $2,052,963 | 30-Sep-09 | | HARTFORD SMALLCAP GROWTH HLS SERIES | 355,000 | .59 | $1,856,650 | 30-Sep-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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