| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Wilson George Laverne | President & CEO, Director | 945 BUNKER HILL, SUITE 900, HOUSTON | /s/ Paul B. Cornett, Power of Attorney | 08 Dec 2025 | 0001713905 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NX | Common Stock | Award | $0 | +67,900 | +24% | $0.000000 | 355,598 | 04 Dec 2025 | Direct | F1 |
| transaction | NX | Common Stock | Tax liability | $115,010 | -8,304 | -2.3% | $13.85 | 347,294 | 07 Dec 2025 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Includes 54.2476 shares credited to the reporter's account as the result of dividend reinvestments under the Company's Employee Stock Purchase Plan. |
| F2 | Shares were sold to cover taxes due in connection with the lapse of forfeiture restrictions on restricted stock originally granted to the reporting person on December 7, 2022. |