| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Smith Patrick E | Chairman & President of Sub | 1901 CHOUTEAU AVENUE, SAINT LOUIS | Jonathan T. Shade, Deputy Corp. Secy. for Ameren Corporation, attorney-in-fact for Patrick E. Smith | 03 Mar 2026 | 0002094778 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AEE | Common Stock, $.01 Par Value | Tax liability | $103,085 | -910 | -4.4% | $113.28 | 19,910 | 27 Feb 2026 | Direct | F2 |
| holding | AEE | Common Stock, $.01 Par Value | 3,047 | 27 Feb 2026 | By 401(k) | F1 | |||||
| holding | AEE | Common Stock, $.01 Par Value | 948 | 27 Feb 2026 | By spouse |
| 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 February 28, 2026. |
| F2 | Shares withheld by the issuer to satisfy tax withholding obligations arising in connection with the vesting of performance share units and restricted stock units. |