| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | PRICE (T.ROWE) ASSOCIATES INC | 4,457,340 | 5.59 | $134,567,094 | 30-Sep-09 | | COLUMBIA WANGER ASSET MANAGEMENT, L.P. | 4,385,644 | 5.50 | $132,402,592 | 30-Sep-09 | | WADDELL & REED FINANCIAL INC. | 3,718,562 | 4.67 | $112,263,386 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 3,532,850 | 4.43 | $106,656,741 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 3,101,910 | 3.89 | $93,646,662 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 2,846,055 | 3.57 | $85,922,400 | 30-Sep-09 | | MUNDER CAPITAL MANAGEMENT, INC. | 2,302,355 | 2.89 | $69,508,097 | 30-Sep-09 | | STATE STREET CORPORATION | 1,654,662 | 2.08 | $49,954,245 | 30-Sep-09 | | Tygh Capital Management, Inc. | 1,623,467 | 2.04 | $49,012,468 | 30-Sep-09 | | RAINIER INVESTMENT MANAGEMENT | 1,616,910 | 2.03 | $48,814,512 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | NEUBERGER & BERMAN GENESIS FUND | 5,249,242 | 6.59 | $158,474,615 | 30-Sep-09 | | PRICE (T.ROWE) MID CAP GROWTH FUND | 3,150,000 | 3.95 | $95,098,500 | 30-Sep-09 | | COLUMBIA ACORN FD | 2,480,544 | 3.11 | $62,807,374 | 30-Jun-09 | | Munder Mid-Cap Core Growth Fund | 1,451,200 | 1.82 | $36,744,384 | 30-Jun-09 | | VANGUARD EXPLORER FUND, INC. | 1,073,256 | 1.35 | $29,428,679 | 31-Jul-09 | | VANGUARD SMALL-CAP INDEX FUND | 980,650 | 1.23 | $24,830,058 | 30-Jun-09 | | WADDELL & REED ADVISORS FDS-SMALL CAP FUND | 966,500 | 1.21 | $24,471,780 | 30-Jun-09 | | RAINIER SMALL/MIDCAP EQUITY PORTFOLIO | 962,259 | 1.21 | $24,364,397 | 30-Jun-09 | | MERIDIAN GROWTH FUND | 762,700 | .96 | $23,025,913 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 747,785 | .94 | $18,933,916 | 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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