| Date | Event |
| 30-Oct-09 | AVISTA CORP Files SEC form 10-Q, Quarterly Report |
| 28-Oct-09 | Avista Corporation Earnings Call scheduled for 10:30 am ET today |
| 28-Oct-09 | Earnings announcement |
| 28-Oct-09 | AVISTA CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 21-Oct-09 | Price hit new 52-week high ($21.11) |
| 19-Oct-09 | Price hit new 52-week high ($21.03) |
| 9-Oct-09 | Price hit new 52-week high ($20.90) |
| 23-Sep-09 | AVISTA CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 11-Sep-09 | AVISTA CORP Files SEC form 8-K, Other Events |
| 25-Aug-09 | Ex-Date for dividend payment of $0.21 |
| 20-Aug-09 | AVISTA CORP Files SEC form 8-K, Other Events |
| 7-Aug-09 | AVISTA CORP Files SEC form 10-Q, Quarterly Report |
| 5-Aug-09 | Avista Corporation Earnings Call scheduled for 10:30 am ET today |
| 5-Aug-09 | AVISTA CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 22-Jun-09 | AVISTA CORP Files SEC form 8-K, Other Events |
| 14-May-09 | AVISTA CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 1-May-09 | AVISTA CORP Files SEC form 10-Q, Quarterly Report |
| 29-Apr-09 | AVISTA CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 6-Apr-09 | AVISTA CORP Files SEC form 8-K, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet |
| 18-Mar-09 | AVISTA CORP Files SEC form 8-K, Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation |
| 10-Mar-09 | AVISTA CORP Files SEC form 8-K, Regulation FD Disclosure |
| 5-Mar-09 | Price hit new 52-week low ($12.67) |
| 4-Mar-09 | Price hit new 52-week low ($13.00) |
| 3-Mar-09 | Price hit new 52-week low ($13.15) |
| 27-Feb-09 | AVISTA CORP Files SEC form 10-K, Annual Report |
| 18-Feb-09 | AVISTA CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 17-Feb-09 | AVISTA CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 27-Jan-09 | AVISTA CORP Files SEC form 8-K, Other Events |
| 5-Jan-09 | AVISTA CORP Files SEC form 8-K, Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation |
| 18-Dec-08 | AVISTA CORP Files SEC form 8-K, Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation |
| 16-Dec-08 | AVISTA CORP Files SEC form 8-K, Other Events |
| 1-Dec-08 | AVISTA CORP Files SEC form 8-K, Regulation FD Disclosure |
| 19-Nov-08 | AVISTA CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 5-Nov-08 | AVISTA CORP Files SEC form 10-Q, Quarterly Report |
| 4-Nov-08 | AVISTA CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |