| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Thomas Lizanne | Director | 30 IVAN ALLEN JR. BLVD., NW, ATLANTA | /s/ Brittney Anderson, Attorney-in-Fact for Lizanne Thomas | 02 Oct 2025 | 0001305419 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SO | Deferred Stock Units Holding | Award | $42,500 | +448 | +7.9% | $94.80 | 6,140 | 01 Oct 2025 | Southern Company Common Stock | 448 | $0.000000 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date. |