| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Newport Roger K | Director | C/O ALLIANT ENERGY CORPORATION, 4902 N. BILTMORE LANE, MADISON | /s/ Jake C. Blavat, Attorney-in-Fact | 15 Jul 2025 | 0001298509 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LNT | Deferred Common Stock Units | Award | $54.4K | +876 | +3.19% | $62.08 | 28.3K | 11 Jul 2025 | Common Stock | 876 | $0.00 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Units are to be settled in shares of common stock upon the reporting person's termination of services as a director. |
| F2 | Includes adjustments for accrued dividends, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11. |