Ameren Missouri Continues to Plan for Missouri’s Energy Future ST. LOUIS (April 19, 2012) — Today, Ameren Missouri, a utility company of Ameren Corporation (NYSE: AEE), announced it has entered into an agreement with Westinghouse Electric Company, a proven, global leader in nuclear energy and small modular reactor technology development, to exclusively support Westinghouse’s application for the Department of Energy’s (DOE) Small Modular Reactors (SMR) investment funds of up t