| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| DAVIS SUSAN F | Director | 945 BUNKER HILL, SUITE 900, HOUSTON | /s/ Paul B. Cornett, Power of Attorney | 03 Nov 2025 | 0001205035 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NX | Common Stock | Options Exercise | $0 | +3,530 | $0.000000 | 3,530 | 01 Nov 2025 | Direct | ||
| transaction | NX | Common Stock | Disposed to Issuer | $50,161 | -3,530 | -100% | $14.21 | 0 | 01 Nov 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NX | Restricted Stock Units | Options Exercise | $0 | -3,530 | -7% | $0.000000 | 47,114 | 01 Nov 2025 | Common Stock | 3,530 | Direct | F2, F3 | |
| transaction | NX | Restricted Stock Units | Award | $0 | +8,045 | +17% | $0.000000 | 55,159 | 03 Nov 2025 | Common Stock | 8,045 | Direct | F2, F4 |
| Id | Content |
|---|---|
| F1 | Represents the total number of restricted stock units that were settled in cash pursuant to their terms. |
| F2 | Each restricted stock unit represents a contingent right to receive cash in an amount equivalent to the value of one share of NX common stock. |
| F3 | The restricted stock units vested immediately and were settled in cash on the first anniversary of their grant date, pursuant to the payment election made by the reporting person. |
| F4 | The restricted stock unit will vest immediately. The restricted stock units will become payable upon the first anniversary of the date of grant or the reporting person's death, disability or cessation of service on the board or change of control of the Company. |