| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Geiser Edward | Director | 5430 LBJ FREEWAY, SUITE 1800, DALLAS | /s/Suzanne Johnson by POA | 2025-07-02 | 0001839074 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATO | Phantom Deferred Compensation | Award | $31.2K | +202 | +28.48% | $154.33 | 913 | Jul 1, 2025 | Common Stock | 202 | Direct | F1, F4, F5 | |
| holding | ATO | Phantom Stock Units | 2.11K | Jul 1, 2025 | Common Stock | 2.11K | Direct | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | Each unit of phantom stock is equivalent to one share of the Company's common stock. |
| F2 | The phantom stock units were granted under the 1998 Long-Term Incentive Plan (the "Plan") and are to be settled upon the reporting person's termination of service on the Company's Board. |
| F3 | Includes 12 phantom stock units resulting from the dividend reinvestment feature of the Plan which were allocated to reporting person's account since last filing. |
| F4 | The phantom share units were received pursuant to an election to convert a portion of the reporting person's director fees under the Plan and are to be settled upon the reporting person's termination of service on the Company's Board of Directors. |
| F5 | Includes 4.05 phantom stock units resulting from a dividend reinvestment feature of the Plan which were allocated to reporting person's account since last filing. |