| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | COLUMBIA WANGER ASSET MANAGEMENT, L.P. | 5,793,000 | 7.50 | $200,611,590 | 30-Sep-09 | | NEUBERGER BERMAN GROUP, LLC | 3,698,530 | 4.79 | $128,080,093 | 30-Sep-09 | | STATE FARM MUTUAL AUTOMOBILE INSURANCE CO | 3,671,900 | 4.75 | $127,157,897 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 3,099,118 | 4.01 | $107,322,456 | 30-Sep-09 | | MAIRS & POWER INC | 2,747,109 | 3.55 | $95,132,384 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 2,659,116 | 3.44 | $92,085,187 | 30-Sep-09 | | Bank of New York Mellon Corporation | 2,148,102 | 2.78 | $74,388,772 | 30-Sep-09 | | WELLS FARGO & COMPANY | 1,821,617 | 2.36 | $63,082,596 | 30-Sep-09 | | MACKENZIE FINANCIAL CORPORATION | 1,653,200 | 2.14 | $57,250,316 | 30-Sep-09 | | MERRILL LYNCH & CO., INC. | 1,651,107 | 2.14 | $57,177,835 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | COLUMBIA ACORN FD | 4,200,000 | 5.43 | $145,488,000 | 30-Jun-09 | | NEUBERGER & BERMAN GENESIS FUND | 2,632,100 | 3.41 | $91,149,623 | 30-Sep-09 | | MAIRS & POWER GROWTH FUND INC | 1,990,000 | 2.58 | $68,913,700 | 30-Sep-09 | | VANGUARD/PRIMECAP FUND | 1,600,000 | 2.07 | $55,424,000 | 30-Jun-09 | | VANGUARD MID-CAP INDEX FUND | 770,943 | 1.00 | $26,705,465 | 30-Jun-09 | | MIDCAP SPDR TRUST SERIES I | 705,860 | .91 | $29,582,592 | 30-Sep-08 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 679,044 | .88 | $23,522,084 | 30-Jun-09 | | LORD ABBETT RESEARCH FUND, SMALL-CAP VALUE SERIES | 552,400 | .71 | $20,753,668 | 31-Aug-09 | | ISHARES S&P MIDCAP 400 INDEX FD | 544,674 | .70 | $19,428,521 | 31-Oct-09 | | LORD ABBETT MID CAP VALUE FUND | 515,014 | .67 | $17,840,084 | 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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