| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Ludford Mary E | Director | 250 SW TAYLOR ST, PORTLAND | Molly J. Wilcox, Attorney-in-Fact | 2025-11-10 | 0001959466 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NWN | Common Stock | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | $25.8K | +554 | +20.08% | $46.59 | 3.31K | Nov 6, 2025 | See Footnote | F1, F2 |
| Id | Content |
|---|---|
| F1 | The reporting transaction was effected pursuant to a written election under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives made on or about September 13, 2024. |
| F2 | Shares have been credited to reporting person's account under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives. |