| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 1,506,957 | 6.34 | $32,052,975 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,193,100 | 5.02 | $25,377,237 | 30-Sep-09 | | FENIMORE ASSET MANAGEMENT, INC. | 1,078,825 | 4.54 | $22,946,607 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 986,503 | 4.15 | $20,982,918 | 30-Sep-09 | | GRANAHAN INVESTMENT MANAGEMENT INC. | 755,293 | 3.18 | $16,065,082 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 753,748 | 3.17 | $16,032,219 | 30-Sep-09 | | ATLANTA CAPITAL MANAGEMENT COMPANY LLC | 556,876 | 2.34 | $11,844,752 | 30-Sep-09 | | MARSHALL & ILSLEY CORPORATION | 514,174 | 2.16 | $10,936,480 | 30-Sep-09 | | COLUMBIA WANGER ASSET MANAGEMENT, L.P. | 3,271,000 | 13.76 | $69,574,170 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 3,084,800 | 12.98 | $65,613,696 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | COLUMBIA ACORN FD | 2,266,361 | 9.54 | $43,196,840 | 30-Jun-09 | | PRICE (T.ROWE) SMALL-CAP VALUE FUND | 1,700,000 | 7.15 | $36,159,000 | 30-Sep-09 | | VANGUARD EXPLORER FUND, INC. | 723,449 | 3.04 | $13,904,689 | 31-Jul-09 | | Wanger Advisor Trust-Wanger USA, Variable Series | 359,000 | 1.51 | $6,842,540 | 30-Jun-09 | | ISHARES RUSSELL 2000 INDEX FD | 348,616 | 1.47 | $7,415,062 | 30-Sep-09 | | FAM VALUE FUND | 347,000 | 1.46 | $6,613,820 | 30-Jun-09 | | COLUMBIA ACORN USA FD | 345,000 | 1.45 | $6,575,700 | 30-Jun-09 | | ROYCE TOTAL RETURN FUND | 291,300 | 1.23 | $5,552,178 | 30-Jun-09 | | VANGUARD SMALL-CAP INDEX FUND | 274,361 | 1.15 | $5,229,320 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 239,521 | 1.01 | $5,063,473 | 30-Apr-09 |
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Value shown is computed using the security's price on the report date given.
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