| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Eckert Ian M | Chief Financial Officer | 404 VETERANS AIRPARK LANE, SUITE 300, MIDLAND | Ian M. Eckert | 30 Dec 2025 | 0002004802 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NGS | Common Stock | Award | +2,532 | 2,532 | 30 Dec 2025 | Direct | F1 | |||
| transaction | NGS | Common Stock | Tax liability | $26,104 | -768 | -30% | $33.99 | 1,764 | 30 Dec 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NGS | Restricted Stock Units | Options Exercise | $0 | +2,532 | +100% | $0.000000 | 5,063 | 30 Dec 2025 | Common Stock | 2,532 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Not applicable. Represents shares acquired in connection with the vesting of a Restricted Stock Unit ("RSU") award. |
| F2 | Not applicable. Each RSU represents the right to receive one share of the Company's common stock upon vesting without payment. |