#1 Includes 25,000 restricted stock units, which may be settled solely in cash ("cash-settled RSUs"). Each cash-settled RSU is the economic equivalent of one share of Common Stock of the Issuer.

#2 Dawson Geophysical Company and the Reporting Person entered into a mutual agreement for the cash settlement of all vested cash-settled RSUs held by the Reporting Person as of the Transaction Date. Following the Transaction, the Reporting Person holds zero (0) shares of Dawson Geophysical Company Common Stock and zero (0) Dawson Geophysical Company restricted stock units.

#1 Pursuant to the Agreement and Plan of Merger dated as of October 25, 2021, by and among Issuer, Wilks Brothers, LLC and its subsidiary, WB Acquisitions, Inc. ("Merger Sub"), Merger Sub launched a tender offer for all of the outstanding shares of common stock of Issuer at a price of $2.34 per share in cash. Mr. Brata tendered shares pursuant to the offer, and on January 18, 2022, Merger Sub consummated the offer and purchased all shares duly tendered.

#1 Represents the surrender of shares of Common Stock to satisfy tax withholding obligations in connection with the vesting of restricted stock issued to the Reporting Person under the Amended and Restated Dawson Geophysical Company 2006 Stock and Performance Incentive Plan.