| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Garner Melissa Tyson | VP-People & Community Engmnt | 623 RAILROAD STREET, PO BOX 1231, MADISON | /s/ Melissa T. Garner | 03 Mar 2026 | 0002058759 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MGEE | Common Stock | Award | $0 | +1,374 | +61% | $0.000000 | 3,631 | 02 Mar 2026 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Represents restricted stock units (RSUs) which are converted to common stock on a one-to-one basis when vested. The RSUs vest on December 31, 2028. |
| F2 | Includes adjustments for accrued dividends pursuant to dividend reinvestment and exempt from Sec 16 under Rule 16a-11 |