| Date | Event |
| 13-Nov-09 | Ex-Date for dividend payment of $0.355 |
| 9-Nov-09 | BLACK HILLS CORP /SD/ Files SEC form 10-Q, Quarterly Report |
| 30-Oct-09 | Black Hills Corporation Earnings Call scheduled for 11:00 am ET today |
| 30-Oct-09 | BLACK HILLS CORP /SD/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exh |
| 29-Oct-09 | Earnings announcement |
| 27-Oct-09 | BLACK HILLS CORP /SD/ Files SEC form 8-K, Entry into a Material Definitive Agreement, Other Events, Financial Stateme |
| 22-Oct-09 | BLACK HILLS CORP /SD/ Files SEC form 8-K, Other Events |
| 20-Oct-09 | BLACK HILLS CORP /SD/ Files SEC form 8-K, Financial Statements and Exhibits |
| 14-Aug-09 | Ex-Date for dividend payment of $0.355 |
| 10-Aug-09 | BLACK HILLS CORP /SD/ Files SEC form 10-Q, Quarterly Report |
| 7-Aug-09 | Black Hills Corporation Earnings Call scheduled for 11:00 am ET today |
| 7-Aug-09 | BLACK HILLS CORP /SD/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exh |
| 28-May-09 | BLACK HILLS CORP /SD/ Files SEC form 8-K, Entry into a Material Definitive Agreement, Creation of a Direct Financial |
| 14-May-09 | BLACK HILLS CORP /SD/ Files SEC form 8-K, Entry into a Material Definitive Agreement, Other Events, Financial Stateme |
| 11-May-09 | BLACK HILLS CORP /SD/ Files SEC form 10-Q, Quarterly Report |
| 1-May-09 | BLACK HILLS CORP /SD/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exh |
| 9-Mar-09 | Price hit new 52-week low ($14.54) |
| 6-Mar-09 | Price hit new 52-week low ($14.79) |
| 5-Mar-09 | Price hit new 52-week low ($14.87) |
| 2-Mar-09 | BLACK HILLS CORP /SD/ Files SEC form 10-K, Annual Report |
| 3-Feb-09 | BLACK HILLS CORP /SD/ Files SEC form 8-K, Results of Operations and Financial Condition, Amendments to Articles of In |
| 19-Dec-08 | BLACK HILLS CORP /SD/ Files SEC form 8-K, Entry into a Material Definitive Agreement, Creation of a Direct Financial |
| 25-Nov-08 | BLACK HILLS CORP /SD/ Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 10-Nov-08 | BLACK HILLS CORP /SD/ Files SEC form 10-Q, Quarterly Report |
| 6-Nov-08 | BLACK HILLS CORP /SD/ Files SEC form 8-K, Results of Operations and Financial Condition |