Company: SOJE
Filing Date: 2025-04-11
Form Type: DEF 14A
Source: 0000092122-25-000036
Chunk: 51

Company: SOUTHERN CO
Filing Date: 2025-04-11
Form: DEF 14A
Chunk 51
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-established three-year performance metrics aligned with Company’s fleet transition to support our GHG reduction goals                |     | •Quantitative metric of cumulative MW change                  
 •Qualitative modifier                                         |     | 10%            |     | N/A        |
| PRSUs - Cash from Operations Goal                                                                                                                                        
 Earned if 2024 cash from operations exceeds 2023 dividends. If earned, vest over three-year period                                                                       |     | •Cash from operations must exceed prior year’s dividends paid |     | 25%            |     | 30%        |

4 If earned, LTI awards are settled in common stock. Accrued dividend equivalent units (DEUs) are received only if the underlying LTI award is earned and paid out.

4 The number of shares granted was determined by using the target value divided by the closing price of common stock on the date the Committee approved the grant (January 31, 2024). PSU awards with performance tied to relative TSR are valued in the Summary Compensation Table and Grants of Plan-Based Awards Table using a Monte Carlo analysis, resulting in amounts that differ from what is shown in this CD&A. For more information on the valuation of those PSUs and the Monte Carlo value, see the footnotes following the Summary Compensation Table and the Grants of Plan-Based Awards Table.

#### 2024-2026 Performance Share Unit Award
The PSU award includes financial and market-based performance goals over the three-year performance period from 2024 to 2026 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 |     |