Southern Company — Jul 31, 2025 release

(3) Earnings for the three and six months ended June 30, 2025 include pre-tax charges, net of noncontrolling interests impacts, of $40 million ($31 million after tax) and $65 million ($51 million after tax), respectively, associated with accelerated depreciation related to the repowering of certain wind facilities at Southern Power. Accelerated depreciation related to the equipment being replaced will continue until the commercial operation dates of the repowering projects, which are projected to occur between the third quarter 2026 and the second quarter 2027. At June 30, 2025, the remaining pre-tax accelerated depreciation, net of noncontrolling interest impacts, is projected to total approximately $215 million in 2025, $320 million in 2026, and $25 million in 2027. (4) Earnings for the three and six months ended June 30, 2025 include costs associated with the extinguishment of debt at Southern Company as a result of Southern Company's repurchase of certain convertible senior notes. Similar transaction costs may occur in the future at Southern Company or one of its unregulated subsidiaries; however, the amount and timing of any such costs are uncertain. Page 6 Southern Company Significant Factors Impacting EPS   Three Months Ended June Year-To-Date June   2025 2024 Change 2025 2024 Change Earnings Per Share – As Reported (1) $ 0.80   $ 1.10  $ (0.30) $ 2.01   $ 2.13  $ (0.12)   Significant Factors:     Traditional Electric Operating Companies $ (0.13) $ 0.06   Southern Power (0.03) (0.04) Southern Company Gas —   0.01   Parent Company and Other (0.13) (0.14) Increase in Shares (0.01) (0.01)   Total – As Reported $ (0.30) $ (0.12) Three Months Ended June Year-To-Date June Non-GAAP Financial Measures 2025 2024 Change 2025 2024 Change Ea