| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Bragdon Peter J | Director | 250 SW TAYLOR STREET, PORTLAND | Molly J. Wilcox, Attorney-in-Fact | 18 Jul 2025 | 0001297763 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | NWN | Common Stock | 400 | 12 Jul 2025 | Direct |