Company: SOJE
Filing Date: 2025-11-04
Form Type: 424B2
Source: 0000092122-25-000092
Chunk: 43

Company: SOUTHERN CO
Filing Date: 2025-11-04
Form: 424B2
Chunk 43
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 2028 (five business days prior to the first day of the optional remarketing period) 
 June 9, 2028 (two business days prior to the beginning of the optional remarketing period)  |     | Event                                                                                                                                                                                                                                                                                                                                                        
 The Company will, or the Company will request that the depository, notify holders of Corporate Units, Treasury Units and separate RSNs of both series of the Company’s election to conduct an optional remarketing. Such notice will specify the first day of the optional remarketing period and the procedures to be followed in the optional remarketing. 
 lLast day prior to the optional remarketing to create Treasury Units from Corporate Units and recreate Corporate Units from Treasury Units (holders may once again be able to create and recreate units if the optional remarketing is not successful);                                                                                                      |
|:--------------------------------------------------------------------------------------------|:----|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                             |     | lLast day prior to the optional remarketing for holders of Corporate Units to settle the related purchase contracts early (holders may once again be able to settle early if the optional remarketing is not successful or after the blackout period has concluded for such optional remarketing); and                                                       |
|                                                                                             |     | lLast day for holders of separate RSNs to give notice of their election or to revoke their election to participate in the optional remarketing.                                                                                                                                                                                                              |

<div align='center'>S-25</div>

| Date                                                                                                         
 Any 15 business day period from June 13, 2028 to November 21, 2028                                           |     | Event                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
 Optional remarketing period:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
 lif the optional remarketing is successful, the Company will issue a press release on the business day after the optional remarketing date, the remarketing agent will purchase the Treasury portfolio and the settlement date for the optional remarketing will occur on the second business day following the optional remarketing date (unless the remarketed RSNs are priced after 4:30 p.m., New York City time, on the optional remarketing date, in which case settlement will occur on the third business day following the optional remarketing date); and |
|:-------------------------------------------------------------------------------------------------------------|:----|:--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                              |     | lif the optional remarketing is not successful, the Company will issue a press release at the end of the optional remarketing period.                                                                                                                                                                                                                                                                                                                                                                                                                               |
| One or more additional 15 business day periods