DAWSON GEOPHYSICAL CO — Director's Dealing 2017

May 17, 2017

SEC Form 4/A — Form 4/A

Issuer: DAWSON GEOPHYSICAL CO (DWSN)
CIK: 0000799165
Period of Report: 2017-05-12

Reporting Person: BARRETT WILLIAM J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-12	Dawson Geophysical Company-Common Stock $0.01 par value	P	167	$4.50	Acquired	652987	Direct
2017-05-15	Dawson Geophysical Company-Common Stock $0.01 par value	P	4833	$4.50	Acquired	657820	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Dawson Geophysical Company-Common Stock $0.01 par value	59249	Indirect

Footnotes

F1: This Form 4/A amends the Form 4 filed by the Reporting Person on May 16, 2017. The amount of securities directly beneficially owned by the Reporting Person was incorrectly reported as 657,280 shares of common stock and should have been reported as 657,820 shares of common stock.

F2: Reporting Person disclaims beneficial ownership of common stock owned by spouse.