| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | TURNER INVESTMENT PARTNERS, INC. | 3,675,643 | 3.99 | $136,145,816 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 2,758,895 | 2.99 | $102,189,470 | 30-Sep-09 | | FRANKLIN RESOURCES, INC | 2,425,685 | 2.63 | $89,847,372 | 30-Sep-09 | | Calamos Advisors LLC | 2,256,767 | 2.45 | $83,590,649 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,892,381 | 2.05 | $70,093,792 | 30-Sep-09 | | LORD ABBETT & CO | 1,687,785 | 1.83 | $62,515,556 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 1,633,745 | 1.77 | $60,513,914 | 30-Sep-09 | | STATE STREET CORPORATION | 1,618,237 | 1.76 | $59,939,498 | 30-Sep-09 | | RAINIER INVESTMENT MANAGEMENT | 1,524,080 | 1.65 | $56,451,923 | 30-Sep-09 | | COLUMBIA PARTNERS, L.L.C, INVESTMENT MANAGEMENT | 1,319,317 | 1.43 | $48,867,501 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | FRANKLIN STRATEGIC SERIES-FRANKLIN SMALL-MID CAP GROWTH | 1,467,382 | 1.59 | $54,351,829 | 30-Sep-09 | | CALAMOS GROWTH FUND | 1,339,900 | 1.45 | $49,629,896 | 30-Sep-09 | | Munder Mid-Cap Core Growth Fund | 1,017,000 | 1.10 | $26,218,260 | 30-Jun-09 | | RAINIER SMALL/MIDCAP EQUITY PORTFOLIO | 919,600 | 1.00 | $23,707,288 | 30-Jun-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 914,687 | .99 | $23,580,630 | 30-Jun-09 | | FIDELITY BLUE CHIP GROWTH FUND | 690,200 | .75 | $25,565,008 | 30-Sep-09 | | VANGUARD MORGAN GROWTH FUND | 669,626 | .73 | $17,262,958 | 30-Jun-09 | | SPDR (R) Ser Tr-SPDR (R) S&P (R) Retail ETF | 645,752 | .70 | $16,647,486 | 30-Jun-09 | | COLLEGE RETIREMENT EQUITIES FUND-GROWTH ACCOUNT | 618,837 | .67 | $15,953,617 | 30-Jun-09 | | LORD ABBETT MID CAP VALUE FUND | 605,200 | .66 | $15,602,056 | 30-Jun-09 |
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Value shown is computed using the security's price on the report date given.
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