Transaction Details

Footnotes

Represents shares delivered to the Company to cover FICA withholding obligations due because Reporting Person is retirement eligible pursuant to his applicable stock grant documents. Includes 4 accrued dividend equivalent units. | Represents shares delivered to the Company to cover FICA withholding obligations due because Reporting Person is retirement eligible pursuant to his applicable stock grant documents. | Represents restricted stock units granted on January 31, 2024, payable in Southern Company common stock and will continue to vest on the third anniversary of the grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy income tax requirements. | Represents restricted stock units granted on February 5, 2025, payable in Southern Company common stock and will continue to vest on the remaining second and third anniversary of the grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy income tax requirements. | Represents restricted stock units granted on February 11, 2026, payable in Southern Company common stock and vest every year on the first, second and third anniversary of the grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy income tax requirements.