SOUTHERN CO — Director's Dealing 2023

Feb 15, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SOUTHERN CO (SO)
CIK: 0000092122
Period of Report: 2023-02-13

Reporting Person: Daiss Ann P (Comptroller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-02-13	Southern Company Common Stock	A	8865	$0.00	Acquired	23317.028	Direct
2023-02-13	Southern Company Common Stock	F	3998	$67.13	Disposed	19319.028	Direct
2023-02-13	Southern Company Common Stock	M	684	$0.00	Acquired	20003.028	Direct
2023-02-13	Southern Company Common Stock	F	314	$67.13	Disposed	19689.028	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-02-13	Southern Co Restricted Stock Units	$0.00	M	659	Disposed		Southern Company Common Stock (659)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Southern Company Common Stock	4956.2066	Indirect

Footnotes

F1: Shares acquired upon vesting of performance share units under Company's Performance Share Program for the 2020-2022 award. The Compensation and Management Succession Committee certified performance on February 13, 2023. Includes accrued dividend equivalent units.

F2: Shares withheld to satisfy required state and federal tax withholding requirements.

F3: Shares acquired upon vesting of first 1/3 of restricted stock units granted on February 13, 2022. Includes 25 accrued dividend equivalent units.

F4: Represents restricted stock units granted on February 13, 2022. The remaining award will vest 1/3 in 2024 and 1/3 in 2025. Each restricted stock unit represents the right to receive, at settlement one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.