 Dawson Geophysical Company NASDAQ: DWSN announced today that it plans to publicly release preliminary and unaudited financial results for its year-end 2019 and the quarter ended December 31, 2019, the Companys fourth quarter of 2019, before the market opens on Thursday, February 27, 2020. An investor conference call to review the fourth quarter results will be held on Thursday, February 27, 2020, at 9:00 a.m. Central Time. 