Nature of Business
UNION ELECTRIC COMPANY, D/B/A AMEREN MISSOURI (AMEREN MISSOURI), IS A DIRECT, WHOLLY OWNED PUBLIC UTILITY SUBSIDIARY OF AMEREN ENGAGED IN THE GENERATION, TRANSMISSION AND SALE OF ELECTRIC ENERGY SUBJECT TO THE COMMISSIONS JURISDICTION AND THE PROVISION OF RETAIL ELECTRIC SERVICE TO APPROXIMATELY 1.2 MILLION CUSTOMERS AND RETAIL NATURAL GAS SERVICE TO APPROXIMATELY 0.1 MILLION CUSTOMERS IN CENTRAL AND EASTERN MISSOURI UNDER THE JURISDICTION OF THE MISSOURI PUBLIC SERVICE COMMISSION. AMEREN MI