| Date | Name | Title | Type | Security | Shares | Price | Value | Ownership | Reported |
| 02/11/2015 | JUMPER STEPHEN C | President and CEO | Disposition | Stock Options (right to buy) | 15k | $18.91 | $283.6k | | 02/11/2015 |
| 02/11/2015 | JUMPER STEPHEN C | President and CEO | Disposition | Common Stock $0.33 1/3 par value | 77.8k | $0.00 | $0 | | 02/11/2015 |
| 02/11/2015 | TOBIAS C RAY | EVP, COO | Disposition | Stock Options (right to buy) | 10k | $18.91 | $189.1k | | 02/11/2015 |
| 02/11/2015 | TOBIAS C RAY | EVP, COO | Disposition | Common Stock $0.33 1/3 par value | 39.7k | $0.00 | $0 | | 02/11/2015 |
| 02/11/2015 | COOPER CRAIG W | Director | Disposition | Common Stock $0.33 1/3 par value | 16.7k | $0.00 | $0 | | 02/11/2015 |
| 02/11/2015 | Vander Ploeg Mark A | Director | Disposition | Common Stock $0.33 1/3 par value | 6.3k | $0.00 | $0 | | 02/11/2015 |
| 02/11/2015 | Thomas James W | EVP, Chief Technical Officer | Disposition | Stock Options (right to buy) | 5k | $18.91 | $94.6k | | 02/11/2015 |
| 02/11/2015 | Thomas James W | EVP, Chief Technical Officer | Disposition | Common Stock $0.33 1/3 par value | 23k | $0.00 | $0 | | 02/11/2015 |
| 02/11/2015 | HAGAN CHRISTINA W | EVP, CFO | Disposition | Stock Options (right to buy) | 10k | $18.91 | $189.1k | | 02/11/2015 |
| 02/11/2015 | HAGAN CHRISTINA W | EVP, CFO | Disposition | Common Stock $0.33 1/3 par value | 66.8k | $0.00 | $0 | | 02/11/2015 |
| 02/11/2015 | THOMPSON TIM C | Director | Disposition | Common Stock $0.33 1/3 par value | 14.3k | $0.00 | $0 | | 02/11/2015 |
| 02/11/2015 | HOOVER GARY M | Director | Disposition | Common Stock $0.33 1/3 par value | 14.3k | $0.00 | $0 | | 02/11/2015 |
| 02/11/2015 | North Ted R | Director | Disposition | Common Stock $0.33 1/3 par value | 10.3k | $0.00 | $0 | | 02/11/2015 |
| 12/05/2014 | TOBIAS C RAY | EVP, COO | Grant | Dawson Geophysical Company-Common Stock $0.33 1/3 par value | 7.9k | $0.00 | $0 | | 12/04/2013 |
| 12/05/2014 | Thomas James W | EVP, Chief Technical Officer | Grant | Dawson Geophysical Company-Common Stock $0.33 1/3 par value | 5.8k | $0.00 | $0 | | 12/04/2013 |
| 12/05/2014 | JUMPER STEPHEN C | President and CEO | Grant | Dawson Geophysical Company-Common Stock $0.33 1/3 par value | 15.5k | $0.00 | $0 | | 12/04/2013 |
| 12/05/2014 | HAGAN CHRISTINA W | EVP, CFO | Grant | Dawson Geophysical Company-Common Stock $0.33 1/3 par value | 6.3k | $0.00 | $0 | | 12/04/2013 |
| 12/01/2014 | COOPER CRAIG W | Director | Grant | Dawson Geophysical Company-Common Stock $0.33 1/3 par value | 2.7k | $0.00 | $0 | | 12/01/2014 |
| 12/01/2014 | THOMPSON TIM C | Director | Grant | Dawson Geophysical Company-Common Stock $0.33 1/3 par value | 2.7k | $0.00 | $0 | | 12/01/2014 |
| 12/01/2014 | HOOVER GARY M | Director | Grant | Dawson Geophysical Company-Common Stock $0.33 1/3 par value | 2.7k | $0.00 | $0 | | 12/01/2014 |
| 12/01/2014 | North Ted R | Director | Grant | Dawson Geophysical Company-Common Stock $0.33 1/3 par value | 2.7k | $0.00 | $0 | | 12/01/2014 |
| 12/01/2014 | Vander Ploeg Mark A | Director | Grant | Dawson Geophysical Company-Common Stock $0.33 1/3 par value | 1.6k | $0.00 | $0 | | 12/01/2014 |
| 03/10/2014 | TOBIAS C RAY | EVP, COO | Sale | DWSN-Common Stock $0.33 1/3 par value | 2.5k | $28.96 | $72.4k | | 03/10/2014 |
| 03/07/2014 | COOPER CRAIG W | Director | Purchase | Dawson Geophysical Company-Common Stock $0.33 1/3 par value | 10k | $29.07 | $290.7k | | 03/07/2014 |
| 12/04/2013 | Thomas James W | EVP, Chief Technical Officer | Grant | Dawson Geophysical Company-Common Stock $0.33 1/3 par value | 2.2k | $0.00 | $0 | | 12/04/2013 |
| 12/04/2013 | TOBIAS C RAY | EVP, COO | Grant | Dawson Geophysical Company-Common Stock $0.33 1/3 par value | 3k | $0.00 | $0 | | 12/04/2013 |
| 12/04/2013 | HAGAN CHRISTINA W | EVP, CFO | Grant | Dawson Geophysical Company-Common Stock $0.33 1/3 par value | 2.3k | $0.00 | $0 | | 12/04/2013 |
| 12/04/2013 | JUMPER STEPHEN C | President and CEO | Grant | Dawson Geophysical Company-Common Stock $0.33 1/3 par value | 5.8k | $0.00 | $0 | | 12/04/2013 |
| 11/22/2013 | HOOVER GARY M | Director | Grant | Dawson Geophysical Company-Common Stock $0.33 1/3 par value | 1.2k | $0.00 | $0 | | 11/22/2013 |
| 07/26/2013 | HAGAN CHRISTINA W | EVP, CFO | Payment of Exercise | DWSN-Common Stock $0.33 1/3 par | 1.5k | $38.45 | $57.7k | | 07/26/2013 |
| 07/26/2013 | Thomas James W | EVP, Chief Technical Officer | Payment of Exercise | DWSN-Common Stock $0.33 1/3 par | 1.3k | $38.45 | $48.8k | | 07/26/2013 |
| 07/26/2013 | JUMPER STEPHEN C | President and CEO | Payment of Exercise | DWSN-Common Stock $0.33 1/3 par | 2.5k | $38.45 | $96.1k | | 07/26/2013 |
| 03/14/2013 | TOBIAS C RAY | EVP, COO | Sale | DWSN-Common Stock $0.33 1/3 par value | 988 | $30.12 | $29.8k | | 03/14/2013 |
| 02/14/2013 | TOBIAS C RAY | EVP, COO | Sale | DWSN-Common Stock $0.33 1/3 par value | 2.5k | $32.13 | $80.3k | | 02/14/2013 |
| 08/23/2012 | THOMPSON TIM C | Director | Sale | DWSN-Common Stock $0.33 1/3 par value | 1000 | $21.98 | $22k | | 08/23/2012 |
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