DWSN Dawson Geophysical Company

MIDLAND, Texas, Sept. 5 /PRNewswire-FirstCall/ -- Dawson Geophysical Company (NASDAQ:DWSN) today announced that it has completed the deployment of an additional data acquisition crew, the Company's fifteenth crew. The new crew was deployed with a 5,000 channel Aram recording system. About Dawson Geophysical Dawson Geophysical Company is the leading provider of U.S. onshore seismic data acquisition services as measured by the number of active data acquisition crews. Founded in 1952, Dawson acquires and processes 2-D, 3-D, and multi-component seismic data solely for its clients, ranging from major oil and gas companies to independent oil and gas operators as well as providers of multi-client data libraries. Forward Looking Statement In accordance with the Safe Harbor provisions of the Private Securities Litigation Reform Act of 1995, Dawson Geophysical Company cautions that statements in this press release which are forward-looking and which provide other than historical information involve risks and uncertainties that may materially affect the Company's actual results of operations. These risks include, but are not limited to, dependence upon energy industry spending, the volatility of oil and gas prices, weather interruptions, the ability to manage growth, the ability to obtain land access rights of way and the availability of capital resources. A discussion of these and other factors, including risks and uncertainties, is set forth in the Company's Form 10-K for the fiscal year ended September 30, 2006. Dawson Geophysical Company disclaims any intention or obligation to revise any forward-looking statements, whether as a result of new information, future events, or otherwise. Midland, Texas - 432-684-3000 - Houston, Texas 713-917-6772 - Denver, Colorado 303-409-7787 - Oklahoma City, Oklahoma - 405-848-7512 http://www.dawson3d.com/ 800-D-DAWSON Copyright (C) 2004, Dawson Geophysical Company. All rights reserved. No portion may be reproduced without written permission of Dawson Geophysical Company DATASOURCE: Dawson Geophysical Company CONTACT: L. Decker Dawson, Chairman, or Stephen C. Jumper, CEO and President, or Christina W. Hagan, Chief Financial Officer, all of Dawson Geophysical Company, 1-800-332-9766 Web site: http://www.dawson3d.com/

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