Company: SOJE
Filing Date: 2025-03-31
Form Type: PRE 14A
Source: 0000092122-25-000032
Chunk: 79

Company: SOUTHERN CO
Filing Date: 2025-03-31
Form: PRE 14A
Chunk 79
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voluntary Change-in-Control Termination or Voluntary Change-in-Control Termination for Good Reason (CIC Termination) — Within two years of a Company CIC or Subsidiary CIC, employment is terminated other than for cause or the employee voluntarily terminates for good reason. Good reason for voluntary termination within two years of a Company CIC or Subsidiary CICl is generally satisfied when there is a material reduction in the aggregate amount of salary, PPP and LTI; relocation of over 50 miles; a material diminution in title, duties and status; or a material reduction in employee benefits.

The following chart describes the treatment of different pay and benefit elements in connection with the Traditional Termination Events as described above, except the pension plans. The benefits payable under the Pension Plan and Supplemental Plans in connection with the Traditional Termination Events are described in the Benefit Plan Summary in Appendix B beginning on page 102 .

| Program            |     | Retirement                                                                                     |     | Lay Off                  |     | Resignation            |     | Death or Disability                                                                                                        |     | InvoluntaryTermination(For Cause)    |
| PPP                |     | Prorated if before 12/31                                                                       |     | Prorated if before 12/31 |     | Forfeit                |     | Prorated if before 12/31                                                                                                   |     | Forfeit                              |
| PSUs               |     | No proration and paid on regular schedule; amount of payment depends on amount actually earned |     | Forfeit unvested award   |     | Forfeit unvested award |     | Prorated based on number of months employed during performance period; amount of payment depends on amount actually earned |     | Forfeit unpaid award, even if vested |
| PRSUs              |     | No proration and paid on regular schedule, pending achievement of performance goal             |     | Forfeit unvested award   |     | Forfeit unvested award |     | Vest; full payout of unvested amount; payable within 30 days                                                               |     | Forfeit unpaid award, even if vested |
| Financial Planning 
 Perquisite         |     | Continues for one year                                                                         |     | Terminates               |     | Terminates             |     | Continues for one year                                                                                                     |     | Terminates                           |

#### 72Southern Company2025 Proxy Statement

#### Executive Compensation Tables
The following chart describes the treatment of payments under compensation and benefit