Company: SOJE
Filing Date: 2025-03-31
Form Type: PRE 14A
Source: 0000092122-25-000032
Chunk: 54

Company: SOUTHERN CO
Filing Date: 2025-03-31
Form: PRE 14A
Chunk 54
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 and is further subject to a credit quality threshold requirement.

| Goal                                        |     | Why it’s important                                                                    |     | What it measures and how we set the goal                                                                                                                                                                                                                                                                                                                           |
| Relative TSR                                |     | Aligns award with shareholder returns on a relative basis over the performance period |     | TSR relative to a utility peer group of companies that are believed to be most similar to the Company in both business model and investors. It measures investment gains arising from stock price appreciation and dividends received from that investment. The peer group is described onpage61and is subject to change based on merger and acquisition activity. |
| Consolidated ROE                            |     | Aligns performance with delivering sustainable returns on invested capital            |     | Consolidated Southern Company ROE of the traditional electric operating companies, Southern Company Gas and Southern Power                                                                                                                                                                                                                                         |
| GHG Reduction Metric (for CEO, CFO and COO) |     | Aligns performance with Southern Company’s 2030 and 2050 GHG emission reduction goals |     | GHG reduction metric measures the progress on the Company’s fleet transition through quantitative and qualitative metrics                                                                                                                                                                                                                                          |

Credit Quality Threshold Goal: The financial goal is also subject to a credit quality threshold requirement that encourages the maintenance of adequate credit ratings to provide an attractive return to investors. If the primary credit rating falls below investment grade at the end of the three-year performance period, the payout for the ROE goal will be reduced to zero.

#### 54Southern Company2025 Proxy Statement
For each of the financial performance measures, a threshold, target and maximum goal was set at the beginning of 2024.

|           |     | Relative TSR              
 Performance               |     |       | Consolidated    
 ROE Performance | Payout |     |   |
| Maximum   |     | 90th percentile or higher |     | 13.75 | %               |        | 200 | % |
| Target    |     | 50th percentile           |     | 11.50 | %               |        | 100 | % |
| Threshold |     | 10th percentile           |     | 10.00 | %               |        |   0 | % |

2024-2026 GHG Reduction Metric for Certain Executives

To support our fleet transition, the Committee continued to include a GHG metric in the 2024 LTI award of the CEO, the CFO and the COO. Ten percent of the 2024 LTI awards for these executives is