Ameren Corporation · NYSE:AEE

Ameren — Corporate Update (September 2023)

7 slides from Ameren's corporate update, Sep 26, 2023

  1. Slide 1: Ameren Missouri Integrated Resource Plan

    Ameren Missouri Integrated Resource Plan Sept. 26, 2023

  2. Slide 2: Forward-Looking Statements

    Forward-Looking Statements Statements in this presentation not based on historical facts are considered "forward-looking" and, accordingly, involve risks and uncertainties that could cause actual results to differ materially from those discussed. Although such forward-looking statements have been ma

  3. Slide 3: Missouri Integrated Resource Plan filed with MoPSC Sept. 2023

    Missouri Integrated Resource Plan filed with MoPSC Sept. 2023 Least-cost approach to reliably meet customer energy needs in an environmentally responsible manner • Carbon emissions1: Targets substantial reductions; 60% by 2030, 85% by 2040 and net-zero by 2045 • Coal: All energy centers retired by 2

  4. Slide 4: Missouri IRP Preferred Plans

    Missouri IRP Preferred Plans Key Actions 2022 IRP3 2023 IRP3 Specifics Carbon Emission Reduction1 60% by 2030 • Includes both Scope 1 and 2 emissions, including other greenhouse gas 85% by 2040 No change emissions of methane, nitrous oxide and sulfur hexafluoride Net Zero by 2045 Coal Retirements2 3

  5. Slide 5: Least-Cost Approach for Reliability, Affordability and the Environment

    Least-Cost Approach for Reliability, Affordability and the Environment Sources of Energy • Targets net-zero carbon emissions by 20451 while meeting customers’ rising needs and expectations for reliable, affordable and clean energy sources • Includes balanced mix of energy sources to support continue

  6. Slide 6: Ameren's Pathway to Carbon Emission Reduction Goals

    Ameren’s Pathway to Carbon Emission Reduction Goals Science based targets consistent with 1.5°C limit of the Paris Agreement • Ameren’s carbon emission reduction goals1 (60% by 2030, 85% Emission Reduction Pathways by 2040, and net-zero by 2045) are science based and Consistent with Paris Agreement

  7. Slide 7: Glossary of Terms and Docket Number

    Glossary of Terms and Docket Number B – Billion C – Celsius CO2 – Carbon dioxide CTG – Combustion turbine generator EPRI – Electric Power Research Institute H2 – Hydrogen gas IRP – Integrated Resource Plan M – Million MoPSC – Missouri Public Service Commission MW – Megawatt SBTi – Science Based Targ

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