Company: SOJE
Filing Date: 2025-06-27
Form Type: 11-K
Source: 0000092122-25-000064
Chunk: 9

Company: SOUTHERN CO
Filing Date: 2025-06-27
Form: 11-K
Chunk 9
---
 of $3,064,813,002 and $2,813,722,029, respectively, with a cost basis of $2,698,434,513 and $2,891,812,835, respectively. During the year ended December 31, 2024, the Plan recorded related dividend income of $109,993,542. For the year ended December 31, 2024, the Company funded employee contributions and employer matching contributions with 616,512 and 284,281 shares of the Company’s common stock, respectively, valued at $49,444,491 and $22,815,676, respectively.

#### 6. Risks and Uncertainties
The Plan provides for various investment options. Investment securities, in general, are exposed to various risks, such as interest rate, credit, and overall market volatility. Due to the level of risk associated with certain investment securities, it is reasonably possible that changes in the values of investment securities will occur in the near term and that such changes could materially affect the amounts reported in the financial statements.

#### 7. Reconciliation to Form 5500
The following is a reconciliation of net assets available for benefits per the financial statements to the Form 5500 as of

December 31, 2023:

|                                                                |     | December 31, 2023 |               |
|:---------------------------------------------------------------|:----|:------------------|--------------:|
| Net assets available for benefits per the financial statements |     | $                 | 8,391,194,071 |
| Less: Deemed loan distributions                                |     |                   |      -714,603 |
| Net assets per the Form 5500                                   |     | $                 | 8,390,479,468 |

<div align='center'>9</div>

#### Southern Company Employee Savings Plan

### Notes to Financial Statements
The following is a reconciliation of net increase per the financial statements for the year ended December 31, 2024 to the net income per Form 5500:

|                                                         |     | Year Ended        
 December 31, 2024 |             |
|:--------------------------------------------------------|:----|:------------------|------------:|
| Net increase                                            |     | $                 | 908,894,427 |
| Add: Amounts allocated to withdrawing participants 2023 |     |                   |     714,603 |
| Net income per Form 5500                                |     | $                 | 909,609,030 |