On February 11, 2015, pursuant to the previously announced agreement and plan of merger, dated October 8, 2014, by and among Dawson Operating Company, Dawson Geophysical Company, and Riptide Acquisition Corp. and a wholly owned subsidiary of Dawson (merger sub), merger sub was merged with and into the company, with the company continuing after the merger as the surviving entity and a wholly owned subsidiary of Dawson. Pursuant to the merger agreement, at the effective Time, Craig W. Cooper, Gary M. Hoover, Ph.D., Ted R. North, Tim C. Thompson and Mark A. Vander Ploeg, who were members of the company's board of directors immediately prior to the Effective Time, and C. Ray Tobias, James W. Thomas and K.S. Forsdick, who were officers of the company immediately prior to the effective time, ceased to be directors and officers of the company.

Pursuant to the merger agreement, Wayne A. Whitener and C. Ray Tobias have been elected to the company's board of directors. Also pursuant to the merger agreement, James K. Brata was appointed as the company's Chief Financial Officer, replacing Christina W. Hagan, who continues in her role as the company's Secretary and who was also appointed Chief Accounting Officer of the company. James K. Brata is Dawson's Executive Vice President and Chief Financial Officer in addition to his role as Chief Financial Officer of the Company.

He served as Secretary and Treasurer of Dawson from March 2009 to February 2015; Chief Financial Officer of Dawson since October 2008; Vice President of Dawson since June 2008. Prior to joining Dawson, Mr. Brata served in a variety of capacities at publicly traded companies including Sport Supply Group, Research Institute of America, Compaq Computer Corporation, and Mitchell Energy and Development Corporation.