Company: SOJE
Filing Date: 2025-11-04
Form Type: 424B2
Source: 0000092122-25-000092
Chunk: 21

Company: SOUTHERN CO
Filing Date: 2025-11-04
Form: 424B2
Chunk 21
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 the separate RSNs purchase price as defined under “Description of the Remarketable Senior Notes—Remarketing of RSNs That Are Not Included in Corporate Units.” The Company will request that The Depository Trust Company, or DTC, which is referred to as the “depository,” notify its participants holding Corporate Units, Treasury Units and

<div align='center'>S-10</div>

separate RSNs of the Company’s election to conduct an optional remarketing no later than five business days prior to the first day of any optional remarketing period.

An optional remarketing will be considered successful if the remarketing agent is able to remarket the RSNs of each series at a price that results in aggregate proceeds of at least 100% of the Treasury portfolio purchase price and the separate RSNs purchase price.

Following a successful optional remarketing, on the optional remarketing settlement date (as defined below), the portion of the remarketing proceeds equal to the Treasury portfolio purchase price will, except as described in the following paragraph, be used to purchase the Treasury portfolio and the remaining proceeds attributable to the RSNs underlying the Corporate Units will be remitted to the purchase contract agent for distribution pro rata to the holders of such Corporate Units. The portion of the proceeds attributable to the separate RSNs sold in the remarketing will be remitted to the custodial agent for distribution on the optional remarketing settlement date pro rata to the holders of such separate RSNs.

Following a successful optional remarketing, each Corporate Unit holder’s applicable ownership interest in the Treasury portfolio or cash will be substituted for the holder’s undivided beneficial ownership interest in the RSNs of each series as a component of the Corporate Units, and the portions of the Treasury portfolio described in the first and second bullets under “What is the Treasury portfolio?” or such cash will be pledged to the Company through the collateral agent to secure the Corporate Unit holder’s obligation under the related purchase contract. On the purchase contract settlement date, for each Corporate Unit, $50 of the proceeds from the Treasury portfolio will automatically be applied to satisfy the Corporate Unit holder’s obligation to purchase common stock under the purchase contract. The proceeds from the portions of the Treasury portfolio described in the third and fifth bullets (if the optional remarketing settlement date occurs prior to September 15, 2028) or fourth and sixth bullets (if the optional remarketing settlement date occurs on or after September 15, 2028), as applicable, under “What is the Treasury