| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Williams Linda K | Director | 600 EAST SECOND STREET, MUSCATINE | /s/ Steven M. Bradford, By Power of Attorney | 20 Feb 2026 | 0001823631 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HNI | Common Stock | Award | $17,499 | +349 | +2.6% | $50.14 | 13,697 | 18 Feb 2026 | Direct | F1 |
| transaction | HNI | Common Stock | Award | $54,151 | +1,080 | +7.9% | $50.14 | 14,777 | 18 Feb 2026 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | These shares were acquired by the reporting person under the Corporation's 2017 Plan for Non-Employee Directors in lieu of quarterly board retainer fees of $17,500. |
| F2 | These shares were acquired by the reporting person under the Corporation's 2017 Equity Plan for Non-Employee Directors. |