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The Southern Company – Indentures

NYSE: SO    
Share price (6/30/26): $95.71    
Market cap (6/30/26): $108 billion
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EX-4.5
from S-3ASR 75 pages The Southern Company to U.S. Bank Trust Company, National Association, Trustee Subordinated Note Indenture Dated as of June 1, 2026 The Southern Company Reconciliation and Tie Between Trust Indenture Act of 1939 and Subordinated Note Indenture, Dated as of June 1, 2026
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EX-4.2
from S-3ASR 53 pages The Southern Company to U.S. Bank Trust Company, National Association, Trustee Senior Note Indenture Dated as of June 1, 2026 The Southern Company Reconciliation and Tie Between Trust Indenture Act of 1939 and Senior Note Indenture, Dated as of June 1, 2026
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EX-4.4
from 8-K 26 pages The Southern Company to Computershare Trust Company, N.A., Trustee Seventeenth Supplemental Indenture Dated as of March 19, 2026 $1,300,000,000 Series 2026a 6.00% Fixed-To-Fixed Reset Rate Junior Subordinated Notes Due April 1, 2058
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EX-4.A4
from 10-K 83 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934, as Amended
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EX-4.9
from 8-K 208 pages The Southern Company and U.S. Bank Trust Company, National Association, as Purchase Contract Agent, Collateral Agent, Custodial Agent and Securities Intermediary Purchase Contract and Pledge Agreement Dated as of November 6, 2025
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EX-4.2B
from 8-K 43 pages The Southern Company to Computershare Trust Company, N.A., Trustee Thirty-Sixth Supplemental Indenture Dated as of November 6, 2025 Series 2025c Remarketable Senior Notes Due December 15, 2033
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EX-4.2A
from 8-K 43 pages The Southern Company to Computershare Trust Company, N.A., Trustee Thirty-Fifth Supplemental Indenture Dated as of November 6, 2025 Series 2025b Remarketable Senior Notes Due December 15, 2030
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EX-4.F6
from 10-Q 36 pages Supplemental Indenture
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EX-4.2
from 8-K 68 pages The Southern Company to Computershare Trust Company, N.A., Trustee Thirty-Fourth Supplemental Indenture Dated as of May 23, 2025 Series 2025a 3.25% Convertible Senior Notes Due June 15, 2028
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EX-4.D2
from 10-Q 23 pages Mississippi Power Company to Regions Bank, Trustee Seventh Supplemental Indenture Dated as of March 28, 2025 Series 2025b 6.03% Senior Notes Due March 15, 2055
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EX-4.D1
from 10-Q 23 pages Mississippi Power Company to Regions Bank, Trustee Sixth Supplemental Indenture Dated as of March 28, 2025 Series 2025a 5.01% Senior Notes Due March 15, 2030
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EX-4.4
from 8-K 24 pages The Southern Company to Computershare Trust Company, N.A., Trustee Sixteenth Supplemental Indenture Dated as of February 28, 2025 $1,800,000,000 Series 2025b 6.375% Fixed-To-Fixed Reset Rate Junior Subordinated Notes Due March 15, 2055
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EX-4.4
from 8-K 22 pages The Southern Company to Computershare Trust Company, N.A., Trustee Fifteenth Supplemental Indenture Dated as of January 13, 2025 $565,000,000 Series 2025a 6.50% Junior Subordinated Notes Due March 15, 2085
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EX-4.F3
from 10-Q 38 pages Supplemental Indenture
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EX-4.2
from 8-K 19 pages The Southern Company to Computershare Trust Company, N.A., Trustee Thirty-Third Supplemental Indenture Dated as of September 9, 2024 Series 2024b 4.85% Senior Notes Due March 15, 2035
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EX-4.D1
from 10-Q 23 pages Mississippi Power Company to Regions Bank, Trustee Fifth Supplemental Indenture Dated as of June 27, 2024 Series 2024c 5.91% Senior Notes Due June 15, 2054
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EX-4.2
from 8-K 68 pages The Southern Company to Computershare Trust Company, N.A., Trustee Thirty-Second Supplemental Indenture Dated as of May 9, 2024 Series 2024a 4.50% Convertible Senior Notes Due June 15, 2027
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EX-4.D2
from 10-Q 23 pages Mississippi Power Company to Regions Bank, Trustee Fourth Supplemental Indenture Dated as of March 27, 2024 Series 2024b 5.72% Senior Notes Due March 15, 2036
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EX-4.D1
from 10-Q 23 pages Mississippi Power Company to Regions Bank, Trustee Third Supplemental Indenture Dated as of March 27, 2024 Series 2024a 5.62% Senior Notes Due March 15, 2034
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EX-4.F3
from 10-Q 33 pages Supplemental Indenture
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