Investor Presentaiton

$41 Billion in Projected Capital Investment Through 2026: Company View Excluding Vogtle 3 & 4 ¹Includes SEGCO (in $ billions) Alabama Power Georgia Power Mississippi Power State-Regulated Electrics 2022 2023 2024 2025 2026 Total '22-126 2.2 2.1 2.1 2.0 2.0 10.4 3.4 3.9 3.9 3.9 4.0 19.2 0.3 0.3 0.3 0.3 0.2 1.4 6.0 6.4 6.3 6.3 6.2 31.1 State-Regulated Gas LDCs 1.6 1.7 1.7 1.6 1.7 8.3 Pipelines/Other 0.1 0.1 0.0 0.0 0.0 0.2 Southern Company Gas 1.7 1.7 1.8 1.7 1.7 8.5 Southern Power PowerSecure Other Total Consolidated 0.1 0.2 0.1 0.1 0.1 0.6 0.1 0.0 0.0 0.0 0.0 0.1 0.2 0.1 0.1 0.0 0.0 0.5 8.1 8.4 8.2 8.1 8.0 40.9 28

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