Transforming For Our Future

Our Focus on Delivering a Cleaner Energy Future Responsibly 1 While providing safe, reliable and affordable energy to customers • Climate risk management and mitigation Targeting significant reductions in greenhouse gases Implementing robust customer energy efficiency programs Investing to modernize the energy grid and harden system Investing in transmission to support clean energy transition Investing in renewable generation and advancing clean electrification, including electric vehicles Investing in research and development for clean energy technology Emissions reductions Targeting net-zero carbon emissions by 20502 Well below federal and state limits for NOX, SO2, and Hg 0% cast and wrought iron pipeline on natural gas delivery system to reduce risk of methane leaks Resource management - Significant utilization of coal combustion residuals from landfill through recycling in cement and concrete production Targeting 95% reduction in water use by 2050 at thermal energy centers based on a 2005 baseline More sustainable office operations: fleet, workplace and waste 1 Based on Sep. 2020 IRP. Ameren Missouri expects to file an update to the IRP in June 2022. 2 Includes Scope 1 emissions as described in Ameren's 2021 Climate Report, "Committed to Clean, Transformational Changes to Net-Zero". Millions of Metric Tons CO₂ 40 Targeting Net-Zero Carbon Emissions by 20502 30 32% 50% 20 20 10 Ameren 85% Net-Zero 2040 2050 2005 2019-21* 2030 *Three-year average CO, emissions for 2019, 2020, and 2021 First Quarter 2022 Earnings | May 6, 2022 T " . 22 22

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