Ameren Corporation, together with its subsidiaries, operates as a public utility holding company in the United States. It operates through four segments: Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Transmission. The company engages in the rate-regulated electric generation, transmission, and distribution activities; and rate-regulated natural gas distribution and transmission businesses. It primarily generates electricity through coal, nuclear, and natural gas, as well as renewable sources, such as hydroelectric, wind, methane gas, and solar. The company serves residential, commercial, and industrial customers. Ameren Corporation was founded in 1881 and is headquartered in St. Louis, Missouri.

Mr. Mark C. Birk

President & Chairman of Ameren Missouri

Mr. Martin J. Lyons Jr.

President, Chief Executive Officer & Chairman of the Board

Ms. Chonda Jordan Nwamu Esq.

Executive Vice President, General Counsel & Secretary

Ms. Theresa A. Shaw

Senior Vice President of Finance & Chief Accounting Officer

Ms. Gwendolyn Goosby Mizell

Senior Vice President and Chief Sustainability, Diversity & Philanthropy Officer of Ameren Services

Mr. Bruce A. Steinke

Senior Vice President & Chief Transformation Officer

Mr. Leonard P. Singh

Chairman & President of Ameren Illinois

Andrew  Kirk

Director of Investor Relations & Corporate Modeling

Mr. Mark C. Lindgren

Executive Vice President of Corporate Communications & Chief Human Resources Officer of Ameren Services

Mr. Fadi M. Diya

Chief Nuclear Officer & Senior Vice President of Ameren Missouri

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