Company: SOJE
Filing Date: 2025-04-11
Form Type: DEF 14A
Source: 0000092122-25-000036
Chunk: 72

Company: SOUTHERN CO
Filing Date: 2025-04-11
Form: DEF 14A
Chunk 72
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3 will vest on the second and third anniversaries of the grant date.

These columns also reflect the full number and value of PRSUs granted to the NEOs in January 2024 that vest 1/3 each year for a three-year period subject to the achievement of a one-year financial performance goal (Southern Company’s 2024 cash from operations exceeds the amount paid in dividends in 2023) and associated DEUs on the PRSUs. DEUs only pay out if the underlying shares vest. The Compensation Committee certified the achievement of this goal on February 5, 2025 and the first 1/3 vested upon that certification. The remaining 2/3 will vest equally on the second and third anniversaries of the grant date.

Column (b) also reflects the target number of PSUs that can be earned at the end of each three-year performance period (January 1, 2023 through December 31, 2025 and January 1, 2024 through December 31, 2026). The number of shares reflected in column (b) also

#### 68Southern Company2025 Proxy Statement

#### Executive Compensation Tables
reflects the DEUs on the target number of PSUs. DEUs are credited over the performance period but are only received at the end of the performance period if the underlying PSUs are earned.

The PSUs granted for the January 1, 2022 through December 31, 2024 performance period vested on December 31, 2024 and are reported in the Stock Vested in 2024 table.

The value in column (c) is derived by multiplying the number of shares in column (b) by the common stock closing price on December 31, 2024 ($82.32). The ultimate number of shares earned, if any, will be based on the actual performance results at the end of each respective performance period.

#### Stock Vested in 2024
|               |     | Stock Awards        |        |     |                |           |
| Name          
 (a)           |     | Number of Shares    
 Acquired on Vesting 
 (#)                 
 (b)                 |        |     | Value Realized 
 on Vesting     
 ($)            
 (c)            |           |
| Chris Womack  |     |                     | 70,644 |     |                | 5,558,109 |
| Dan Tucker    |     |                     | 47,671 |     |