Investor Presentaiton

$0 $1,000 1416 1186 2022 2023 2024 $2,000 677 290 1463 46 400 $4,000 $3,000 1850 1750 $5,000 $ in millions $6,000 2025 2026 964 1000 863 500 400 100 530 100 300 154 150 300 100 50 807 826 715 600 391 469 495 549 485 536 106 2027 2028 2029 2030 2031 2032 2033 2034 State-Regulated Electric 4 Southern Company Gas Parent Company Southern Company's weighted average long-term debt maturity is approximately 18 years ¹Excludes financing leases, pollution control bonds currently held in treasury, fair value adjustments, unamortized debt issuance costs and unamortized discount/premium 22022 includes Georgia Power's 2.85% $400M Series 2012B Sr. Notes that were redeemed on 1/6/2022 ³Includes maturities at Southern Company Gas Capital and Atlanta Gas Light 4Includes SEGCO 2035 2036 531 416 100 435 849 829 1090 2037 2038 2039 2040 Southern Power 100 100 75 500 2041 2042 2043 2044 2045 Long-term Debt Maturity Schedule 1,2 as of December 31, 2021 Long-term Debt¹ Alabama Power $9.8B Georgia Power $13.8B Mississippi Power $1.5B Southern Company Gas Capital³ $4.5B Nicor $2.1B Southern Power $3.7B Parent Company Total Long-term Debt Maturities4 $16.8B $52.2B 300 700 2566 500 575 400 100 550 1675 100 550 1181 1133 100 888 939 725 717 503 550 500 400 2046 2047 2048 2049 2050 2051 2052 Beyond 2052 325 858 375 2000 450 2250 230 4726 32

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