| Date | Event |
| 18-Nov-09 | Ex-Date for dividend payment of $0.13 |
| 5-Nov-09 | QUESTAR CORP Files SEC form 10-Q, Quarterly Report |
| 30-Oct-09 | QUESTAR CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 29-Oct-09 | QUESTAR CORP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 29-Oct-09 | Questar Corp. Earnings Call scheduled for 9:30 am ET today |
| 21-Oct-09 | Price hit new 52-week high ($43.46) |
| 20-Oct-09 | Price hit new 52-week high ($42.33) |
| 19-Oct-09 | Price hit new 52-week high ($42.26) |
| 19-Aug-09 | Ex-Date for dividend payment of $0.125 |
| 4-Aug-09 | QUESTAR CORP Files SEC form 10-Q, Quarterly Report |
| 29-Jul-09 | QUESTAR CORP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 29-Jul-09 | Questar Corp. Earnings Call scheduled for 9:30 am ET today |
| 22-Jun-09 | QUESTAR CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 26-May-09 | QUESTAR CORP Files SEC form 8-K, Amendments to Articles of Inc. or Bylaws; Change in Fiscal Year |
| 13-May-09 | QUESTAR CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 7-May-09 | QUESTAR CORP Files SEC form 10-Q, Quarterly Report |
| 5-May-09 | QUESTAR CORP Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 30-Apr-09 | QUESTAR CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 17-Apr-09 | QUESTAR CORP Files SEC form 8-K, Other Events |
| 2-Mar-09 | QUESTAR CORP Files SEC form 8-K, Other Events |
| 27-Feb-09 | QUESTAR CORP Files SEC form 10-K, Annual Report |
| 17-Feb-09 | QUESTAR CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 12-Feb-09 | QUESTAR CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 6-Jan-09 | QUESTAR CORP Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 31-Oct-08 | QUESTAR CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 31-Oct-08 | QUESTAR CORP Files SEC form 10-Q, Quarterly Report |
| 29-Oct-08 | QUESTAR CORP Files SEC form 10-Q/A, Quarterly Report |