| 1 | 1492 CAPITAL MANAGEMENT LLC |
| 2 | ARTISAN PARTNERS LIMITED PARTNERSHIP |
| 3 | B.C. ZIEGLER AND COMPANY |
| 4 | BANK MUTUAL |
| 5 | BARABOO GROWTH LLC |
| 6 | BC HOLDINGS |
| 7 | BMO HARRIS BANK N.A. (FORMERLY MARSHALL AND ILSLEY TRUST COMPANY) |
| 8 | BMO HARRIS BANK N.A. FORMERLY KNOWN AS M AND I BANK |
| 9 | BROADVIEW ADVISORS |
| 10 | CAPITAL INVESTMENT SERVICES OF AMERICA |
| 11 | CORTINA ASSET MANAGEMENT |
| 12 | CRABEL CAPITAL MANAGEMENT LL |
| 13 | FIDUCIARY MANAGEMENT INC |
| 14 | GENEVA CAPITAL MANAGEMENT |
| 15 | HEARTLAND ADVISORS INC. |
| 16 | KEMPER CLEARING CORP. |
| 17 | MARIETTA INVESTMENT PARTNERS |
| 18 | MORGAN DEMPSEY CAPITAL MANAGEMENT LLC |
| 19 | NATIONAL INVESTMENT SERVICES |
| 20 | NISA INVESTMENT ADVISORS |
| 21 | NORTHERN OAK CAPITAL MANAGEMENT INC |
| 22 | PARK STATE BANK |
| 23 | ROBERT W. BAIRD CO.INCORPORATED |
| 24 | RONALD SADOFFS MAJOR TRENDS |
| 25 | SUMMIT INVESTMENT MANAGEMENT LTD. |