| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Barclays Global Investors UK Holdings Ltd | 2,603,744 | 6.39 | $22,314,086 | 30-Sep-09 | | FMR LLC | 2,014,540 | 4.94 | $17,264,607 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,444,321 | 3.54 | $12,377,830 | 30-Sep-09 | | MAIRS & POWER INC | 1,432,365 | 3.51 | $12,275,368 | 30-Sep-09 | | ATLANTA CAPITAL MANAGEMENT COMPANY LLC | 1,175,761 | 2.88 | $10,076,271 | 30-Sep-09 | | EAGLE ASSET MANAGEMENT, INC. | 934,401 | 2.29 | $8,007,816 | 30-Sep-09 | | MACKENZIE FINANCIAL CORPORATION | 770,000 | 1.89 | $6,598,900 | 30-Sep-09 | | IRONBRIDGE CAPITAL MANAGEMENT, L.P. | 721,639 | 1.77 | $6,184,446 | 30-Sep-09 | | STATE STREET CORPORATION | 716,366 | 1.76 | $6,139,256 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 708,563 | 1.74 | $6,072,384 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | FIDELITY LOW-PRICED STOCK FUND | 1,925,033 | 4.72 | $16,131,776 | 31-Jul-09 | | MAIRS & POWER GROWTH FUND INC | 1,032,000 | 2.53 | $8,844,240 | 30-Sep-09 | | SENTINEL SMALL COMPANY FUND | 910,000 | 2.23 | $7,798,700 | 30-Sep-09 | | ISHARES RUSSELL 2000 INDEX FD | 492,286 | 1.21 | $4,218,891 | 30-Sep-09 | | ISHARES S&P SMALLCAP 600 INDEX FD | 443,808 | 1.09 | $3,337,436 | 31-Oct-09 | | VANGUARD SMALL-CAP INDEX FUND | 421,031 | 1.03 | $3,241,938 | 30-Jun-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 270,272 | .66 | $2,081,094 | 30-Jun-09 | | VANGUARD SMALL-CAP GROWTH INDEX FUND | 266,767 | .65 | $2,054,105 | 30-Jun-09 | | IShares S&P Small Cap 600 Growth Index Fund | 260,731 | .64 | $1,960,697 | 31-Oct-09 | | FRONTEGRA IRONBRIDGE SMALL CAP FUND | 226,434 | .56 | $1,940,539 | 30-Sep-09 |
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Value shown is computed using the security's price on the report date given.
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