Company: SOJE
Filing Date: 2025-11-04
Form Type: 424B2
Source: 0000092122-25-000092
Chunk: 44

Company: SOUTHERN CO
Filing Date: 2025-11-04
Form: 424B2
Chunk 44
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 purchase contract date to pay the purchase price (holders may once again be able to settle the related purchase contracts with separate cash on the purchase contract settlement date if the final remarketing is not successful). 
 If there has not been a successful optional remarketing, the Company will attempt a remarketing during the final remarketing period. The Company may elect to postpone the final remarketing on any day other than one of the last three business days of the final remarketing period.                                                                        |
|:--------------------------------------------------------------------------------------------|:----|:---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| December 13, 2028 (two business days prior to the purchase contract settlement date)        |     | lIf the final remarketing has not been successful, last day for holders of Corporate Units to elect to settle the related purchase contracts with separate cash on the purchase contract settlement date; and                                                                                                                                                  |
|                                                                                             |     | lLast day for holders of Treasury Units to settle the related purchase contracts early.                                                                                                                                                                                                                                                                        |
| December 14, 2028 (one business day prior to the purchase contract settlement date)         |     | If the final remarketing has not been successful, last day for holders of Corporate Units who have elected to settle the related purchase contracts with separate cash on the purchase contract settlement date to pay the purchase price.                                                                                                                     |
| December 15, 2028 (or if such day is not a business day, the following business day)        |     | Purchase contract settlement date and settlement date for any successful final remarketing of the RSNs.                                                                                                                                                                                                                                                        |

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### RISK FACTORS
Investing in the Equity Units involves risk. In addition to the factors described below, please see the risk factors in the Annual Report on Form 10-K of the Company for the year ended December 31, 2024 , which is incorporated by reference in this Prospectus Supplement and the accompanying Prospectus. Before making an investment decision, you should carefully consider these risks as well as other information contained or incorporated by reference in this Prospectus Supplement and the accompanying Prospectus.

The Corporate Units consist of a purchase contract to acquire the Company’s common stock and an interest in Series 2025B RSNs and Series 2025C RSNs issued by the Company. When considering an investment in the Corporate Units, you are making an investment decision with respect to the Company’s common stock and the RSNs as well as the Corporate Units. You can