| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lindgren Mark C | EVP & Chief HR Officer of Sub | P.O. BOX 66149, ST. LOUIS | Jonathan T. Shade, Deputy Corp. Secy. for Ameren Corporation, attorney-in-fact for Mark C. Lindgren | 15 Sep 2025 | 0001640852 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AEE | Common Stock, $.01 Par Value | Sale | $353,115 | -3,500 | -7.6% | $100.89 | 42,574 | 12 Sep 2025 | Direct | F2 |
| holding | AEE | Common Stock, $.01 Par Value | 1,701 | 12 Sep 2025 | By 401(K) | F1 |
| Id | Content |
|---|---|
| F1 | Represents the estimated number of share equivalents held by the reporting person in the unitized stock fund included in the Ameren Corporation Savings Investment Plan as of August 31, 2025. |
| F2 | Amount includes 48 accrued dividend equivalents acquired during the third quarter of 2025 pursuant to a dividend reinvestment feature of restricted stock units granted under the issuer's 2022 Omnibus Incentive Compensation Plan. |