| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Shaw Ian M. | Chief Financial Officer | 508 W. WALL SUITE 800, MIDLAND | /s/ Ian Shaw | 2025-08-18 | 0001733488 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DWSN | Dawson Geophysical Company-Common Stock $0.01 par value | Award | $6.4K | +5K | +50% | $1.28 | 15K | Aug 15, 2025 | Direct | F1 |
| transaction | DWSN | Dawson Geophysical Company-Common Stock $0.01 par value | Award | $6.75K | +5K | +33.33% | $1.35 | 20K | Aug 18, 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The reported price is a weighted average purchase price. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price. |