Ameren Corporation - Sustainability

Governance Documents

General Corporate Governance and Policies

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Biodiversity Policy

Code of Ethics

Corporate Governance Guidelines

Director Nomination Policy

Environmental Policy

Human Rights Policy Statement

Policy Regarding Communications to the Board of Directors

Political Contributions

Related Person Transactions Policy

Supplemental Code of Ethics for Principal Executive and Senior Financial Officers

Supplier Code of Conduct

Waste Management Policy

Water Policy

Committee Charters

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Audit and Risk Committee

Cybersecurity and Digital Technology Committee

Finance Committee

Human Resources Committee

Nominating and Corporate Governance Committee

Nuclear, Operations and Environmental Sustainability Committee

Board of Directors

Martin J. Lyons, Jr., Chairman, President and Chief Executive Officer - Ameren Corporation

Cynthia J. Brinkley, Retired Chief Administrative and Markets Officer of Centene Corporation. Chair of the Human Resources Committee. Also serves on the Nominating and Corporate Governance Committee.

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

Ward H. Dickson, Retired Executive Vice President and Chief Financial Officer - WestRock Company. Chair of the Finance Committee. Also serves on the Audit and Risk Committee and the Cybersecurity and Digital Technology Committee.

Jamie L. Engstrom, Senior Vice President and Global Chief Information Officer of Caterpillar Inc. Member of the Audit and Risk Committee and the Cybersecurity and Digital Technology Committee

Ellen M. Fitzsimmons, Retired Chief Legal Officer and Head of Public Affairs – Truist Financial Corporation. Lead Director of the Board. Serves on the Human Resources Committee and the Nominating and Corporate Governance Committee.

Rafael Flores, Retired Senior Vice President and Chief Nuclear Officer - Luminant. Chair of the Nuclear, Operations and Environmental Sustainability Committee. Also serves on the Audit and Risk Committee.

Richard J. Harshman, Retired Executive Chairman, President and Chief Executive Officer – ATI Inc. Chair of the Audit and Risk Committee. Also serves on the Human Resources Committee.

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

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

Leo S. Mackay, Jr., Senior Vice President, Ethics and Enterprise Assurance and Chief Sustainability Officer - Lockheed Martin Corporation. Serves on the Audit and Risk Committee and the Nuclear, Operations and Environmental Sustainability Committee.

Steven O. Vondran, President and Chief Executive Officer – American Tower Corporation. Serves on the Finance Committee and the Nuclear, Operations and Environmental Sustainability Committee.

Timothy S. Rausch, Retired Executive Vice President and Chief Nuclear Officer – Tennessee Valley Authority. Member of the Finance Committee and the Nuclear, Operations and Environmental Sustainability Committee.