| 1 | ALLA INVESTMENT MANAGEMENT INC. |
| 2 | ALLIANZ INVESTMENT MANAGEMENT LLC |
| 3 | AMERICAN ENTERPRISE INVESTMENT SERVICES |
| 4 | ARBOR CAPITAL MANAGEMENT LIC. |
| 5 | BLACK RIVER ASSET MANAGEMENT LLC |
| 6 | C.C. DUNNAVAN AND CO. INC. |
| 7 | CARGILL FINANCIAL SERVICES CORPORATION |
| 8 | CERIDIAN HCM, INC |
| 9 | COLUMBIA MANAGEMENT INVESTMENT ADVISERS LLC |
| 10 | COLUMBIA MANAGEMENT INVESTMENT ADVISERS, LLC |
| 11 | CORNERSTONE CAPITAL MANAGEMENT INC |
| 12 | CRAIG HALLUM AND CO. |
| 13 | CRAIG HALLUM CAPITAL GROUP LLC |
| 14 | DISCIPLINED GROWTH INVESTORS |
| 15 | ELIRE INC. |
| 16 | FAF ADVISORS INC |
| 17 | FOUNDRY PARTNERS LLC |
| 18 | GALLIARD CAPITAL MANAGEMENT INC |
| 19 | GALLIARD CAPITAL MANAGEMENT, INC |
| 20 | GENERAL MILLS, INC. |
| 21 | IDS FINANCIAL SERVICES |
| 22 | IDS TRUST COMPANY |
| 23 | MINNEAPOLIS GRAIN EXCHANGE |
| 24 | MONEYGRAM PAYMENT SYSTEMS INC |
| 25 | NEXT CENTURY GROWTH INVESTORS LLC |