| Name | Relationship | Address | Signature | Signature date | CIK | 
|---|---|---|---|---|---|
| Lyon Samuel | President of Union Electric | 726 BELL AVENUE, SUITE 301, CARNEGIE | Kimberly P. Knox, attorney-in-fact | 2025-05-06 | 0001747181 | 
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AP | Common Stock | Tax liability | -$7.19K | -3.22K | -2.24% | $2.23 | 141K | May 5, 2025 | Direct | F1 | 
| Id | Content | 
|---|---|
| F1 | Represents the payment of tax liability by withholding shares incident to the vesting of the 2022 grant of Restricted Stock Units. |