Ameren Corporation - ESG & Sustainability

Governance Documents

General Corporate Governance and Policies

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Biodiversity Policy

Code of Ethics

Environmental Justice Principles

Corporate Governance Guidelines

Environmental Policy

Human Rights Policy Statement

Policy Regarding Communications to the Board of Directors

Director Nomination Policy

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

Warner L. Baxter, Executive Chairman – 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. Chair of Finance Committee. Also serves on the Audit and Risk Committee.

Noelle K. Eder, Executive Vice President and Global Chief Information Officer - Cigna Corp. Serves on the Audit and Risk Committee and the Nominating and Corporate Governance Committee.

Ellen M. Fitzsimmons, Chief Legal Officer and Head of Public Affairs – 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 Finance 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.

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

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.