| Date | Event |
| 17-Dec-09 | AMEREN CORP Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 11-Dec-09 | AMEREN CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 7-Dec-09 | Ex-Date for dividend payment of $0.385 |
| 17-Nov-09 | AMEREN CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 9-Nov-09 | AMEREN CORP Files SEC form 10-Q, Quarterly Report |
| 30-Oct-09 | Ameren Corporation Earnings Call scheduled for 10:00 am ET today |
| 30-Oct-09 | AMEREN CORP Files SEC form 8-K, Results of Operations and Financial Condition, Other Events, Financial Statements and |
| 14-Oct-09 | AMEREN CORP Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 15-Sep-09 | AMEREN CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 8-Sep-09 | AMEREN CORP Files SEC form 8-K, Regulation FD Disclosure, Other Events, Financial Statements and Exhibits |
| 8-Sep-09 | Ex-Date for dividend payment of $0.385 |
| 4-Sep-09 | AMEREN CORP Files SEC form 8-K, Other Events |
| 2-Sep-09 | AMEREN CORP Files SEC form 8-K, Other Events |
| 10-Aug-09 | AMEREN CORP Files SEC form 10-Q, Quarterly Report |
| 6-Aug-09 | AMEREN CORP Files SEC form 8-K, Results of Operations and Financial Condition, Other Events, Financial Statements and |
| 24-Jul-09 | AMEREN CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 30-Jun-09 | AMEREN CORP Files SEC form 8-K, Entry into a Material Definitive Agreement, Termination of a Material Definitive Agre |
| 5-Jun-09 | AMEREN CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 15-May-09 | AMEREN CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 8-May-09 | AMEREN CORP Files SEC form 10-Q, Quarterly Report |
| 1-May-09 | AMEREN CORP Files SEC form 8-K, Results of Operations and Financial Condition, Other Events, Financial Statements and |
| 23-Apr-09 | AMEREN CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 23-Mar-09 | AMEREN CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 12-Mar-09 | Price hit new 52-week low ($19.51) |
| 9-Mar-09 | Price hit new 52-week low ($19.65) |
| 5-Mar-09 | Price hit new 52-week low ($20.37) |
| 2-Mar-09 | AMEREN CORP Files SEC form 8-K, Change in Directors or Principal Officers, Regulation FD Disclosure, Financial Statem |
| 2-Mar-09 | AMEREN CORP Files SEC form 10-K, Annual Report |
| 19-Feb-09 | AMEREN CORP Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 17-Feb-09 | AMEREN CORP Files SEC form 8-K/A, Results of Operations and Financial Condition, Regulation FD Disclosure, Other Even |
| 17-Feb-09 | AMEREN CORP Files SEC form 8-K, Results of Operations and Financial Condition, Other Events, Financial Statements and |
| 5-Feb-09 | AMEREN CORP Files SEC form 8-K, Other Events |
| 28-Jan-09 | AMEREN CORP Files SEC form 8-K, Other Events |