Ameren to Hold Conference Call on 2006 Earnings Guidance.

ST. LOUIS -- Gary L. Rainwater, Ameren Corporation (NYSE:AEE) chairman, president and chief executive officer, and Warner L. Baxter, Ameren chief financial officer, will discuss 2006 earnings guidance and other matters related to the company in a conference call with financial analysts on Tuesday, Jan. 17, at 10:00 a.m. Eastern Time (9:00 a.m. Central Time).

The Webcast of the call and Ameren's presentation slides will be available on Ameren's Web site at www.ameren.com. A replay of the Webcast will be available by following the link approximately one hour after the presentation for one year.

With assets of $18 billion, Ameren owns a diverse mix of electric generating plants strategically located in its Midwest market with a capacity of more than 15,200 megawatts. Ameren serves 2.3 million electric customers and 900,000 natural gas customers in a 64,000 square-mile area of Missouri and Illinois.