Ameren Corporation - Environmental, Social & Governance

Governance Documents

General Corporate Governance and Policies

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Code of Ethics

Principles of Business Conduct (Code of Business Conduct)

Corporate Governance Guidelines

Policy Regarding Communications to the Board of Directors

Policy Regarding Nominations of Directors

Related Person Transactions Policy

Political Contributions

Committee Charters

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Audit and Risk Committee

Finance Committee

Nominating and Corporate Governance Committee

Human Resources Committee

Nuclear, Operations and Environmental Sustainability Committee

Board of Directors

Warner L. Baxter, Chairman, President and Chief Executive Officer - Ameren Corporation.

Cynthia J. Brinkley, Retired Chief Administrative and Markets Officer - Centene Corp. Serves on the Human Resources Committee and the Nuclear, Operations and Environmental Sustainability Committee.

Catherine S. Brune, Retired President of Allstate Protection Eastern Territory - Allstate Insurance Company. Chair of the Nominating and Corporate Governance Committee. Also serves on the Audit and Risk Committee.

J. Edward Coleman, Retired Executive Chairman – CIOX Health. Chair of the Audit and Risk Committee. Also serves on the Finance Committee

Ward H. Dickson, Executive Vice President and Chief Financial Officer - WestRock Company. Serves on the Audit and Risk Committee and Finance Committee.

Noelle K. Eder, Executive Vice President and Chief Information and Digital Officer – Hilton Worldwide Holdings Inc. Serves on the Audit and Risk Committee and the Nuclear, Operations and Environmental Sustainability Committee.

Ellen M. Fitzsimmons, Chief Legal Officer and Head of Enterprise Diversity and Human Resources – Truist Financial Corporation. Serves on the Finance Committee and the Nuclear, Operations and Environmental Sustainability Committee.

Rafael Flores, Retired Senior Vice President and Chief Nuclear Officer - Luminant Corporation. Serves on the Nuclear, Operations and Environmental Sustainability Committee and the Nominating and Corporate Governance Committee.

Richard J. Harshman, Retired Executive Chairman, President and Chief Executive Officer – Allegheny Technologies Incorporated. Chair of the Nuclear, Operations and Environmental Sustainability Committee. Also serves on the Human Resources Committee. Lead Director.

Craig S. Ivey, Retired President - Consolidated Edison Company of New York, Inc. Serves on the Audit and Risk Committee and the Nuclear, Operations and Environmental Sustainability Committee.

James C. Johnson, Retired General Counsel - Loop Capital Markets, LLC. Chair of the Human Resources Committee. Also serves on the Nominating and Corporate Governance Committee.

Steven H. Lipstein, Retired President and Chief Executive Officer - BJC HealthCare. Serves on the Human Resources Committee and the Nominating and Corporate Governance Committee.

Stephen R. Wilson, Retired Chairman, President and Chief Executive Officer - CF Industries Holdings, Inc. Chair of the Finance Committee. Also serves on the Human Resources Committee.