| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Taylor Stephen Charles | Director | 404 VETERANS AIRPARK LANE, SUITE 300, MIDLAND | Stephen C. Taylor | 05 Dec 2025 | 0001316004 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NGS | Common Stock | Award | $12.6K | +412 | +0.36% | $30.50 | 115K | 03 Dec 2025 | Rabbi Trust | F1 |
| holding | NGS | Common Stock | 295K | 03 Dec 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | NGS | Restricted Stock Units | 4.46K | 03 Dec 2025 | Common Stock | 4.46K | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Shares acquired through reinvestment of cash dividend pursuant to the terms of the deferred compensation plan. |
| F2 | Not applicable. Each Restricted Stock Unit represents the right to receive one share of the Issuer's common stock upon vesting. |