Presentations

Date Title Format 10/30/09 Ameren Corporation at EEI Financial Conference 10/30/09 Q3 2009 Earnings Conference Call Supplement 09/21/09 Bank of America Merrill Lynch 2009 Power & Gas Leaders Conference 08/06/09 Q2 2009 Earnings Conference Call Supplement 05/01/09 2009 AGA Supplement 05/01/09 Q1 2009 Earnings Conference Call Supplement 02/17/09 Q4 2008 Earnings Conference Call Supplement 11/11/08 Edison Electric Institute Financial Conference Presentation 11/04/08 Q3 2008 Earnings Conference Call Supplement 09/23/08 Merrill Lynch 2008 Power & Gas Leaders Conference 09/04/08 Lehman Brothers CEO Energy/Power Conference 08/01/08 Q2 2008 Earnings Conference Call Supplement 06/04/08 Citi 2008 Power, Gas & Utilities Conference 05/21/08 Edison Electric Institute Annual Finance Meeting 05/05/08 Ameren Gas Association 2008 Financial Forum 05/01/08 Q1 2008 Earnings Conference Call Supplement 04/23/08 NCTA Spring Conference – “Back to the Future with Illinois Coal?” 04/11/08 2008 Midwest Utilities Seminar 04/01/08 2008 Morgan Stanley Energy and Electricity Conference 03/03/08 Investor Meetings March 2008 02/14/08 Fourth Quarter 2007 Earnings Conference Call Supplement 01/17/08 Ameren Corporation Analyst Meeting Presentation 11/09/07 Third Quarter 2007 Earnings Conference Call Supplement 11/05/07 2007 Edison Electric Institute Financial Conference 09/25/07 2007 Merrill Lynch Power and Gas Conference 09/05/07 2007 Lehman Brothers CEO Energy/Power Conference 08/27/07 Investor Meetings 08/02/07 Second Quarter 2007 Earnings Conference Call Supplement 05/23/07 Edison Electric Institute Annual Finance Meeting May 2007 05/17/07 Investor Presentation 05/10/07 Q1 2007 Earnings Summary 04/30/07 American Gas Association 2007 Financial Forum 04/10/07 Berenson & Co./Wall Street Access Midwest Utility Seminar 02/14/07 2006 Earnings Summary and 2007 Earnings Guidance