| Date | Event |
| 10-Nov-09 | Ex-Date for dividend payment of $0.298 |
| 9-Nov-09 | OTTER TAIL CORP Files SEC form 10-Q, Quarterly Report |
| 30-Oct-09 | OTTER TAIL CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 17-Sep-09 | Price hit new 52-week high ($25.39) |
| 16-Sep-09 | OTTER TAIL CORP Files SEC form 8-K, Termination of a Material Definitive Agreement |
| 11-Sep-09 | OTTER TAIL CORP Files SEC form 8-K, Other Events |
| 12-Aug-09 | Ex-Date for dividend payment of $0.298 |
| 7-Aug-09 | OTTER TAIL CORP Files SEC form 10-Q, Quarterly Report |
| 1-Jul-09 | OTTER TAIL CORP Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 26-Jun-09 | OTTER TAIL CORP Files SEC form 8-K, Amendments to Articles of Inc. or Bylaws; Change in Fiscal Year |
| 29-May-09 | OTTER TAIL CORP Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 11-May-09 | OTTER TAIL CORP Files SEC form 10-Q, Quarterly Report |
| 5-May-09 | OTTER TAIL CORP Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 24-Apr-09 | OTTER TAIL CORP Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 27-Feb-09 | OTTER TAIL CORP Files SEC form 10-K, Annual Report |
| 3-Feb-09 | OTTER TAIL CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 30-Dec-08 | OTTER TAIL CORP Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and Exhibits |
| 7-Nov-08 | OTTER TAIL CORP Files SEC form 10-Q, Quarterly Report |
| 4-Nov-08 | OTTER TAIL CORP Files SEC form 8-K, Results of Operations and Financial Condition |