ALLEN T. MCINNES - Corporate Board Profile

DAWSON GEOPHYSICAL CO

Filing Date	Source Excerpt
2004-04-28	Chairman of the Board from July 1993 to March 2004; Secretary from November 1997 to March 2004; Chief Executive Officer of the Company from August 1993 to March 1996; Executive Vice-President and Director of Tenneco, Inc. 1960-1992; President and CEO of Tetra Technologies, Inc. from April 1996 to August 2001; Director of Tetra Technologies, 1996 to present; Dean, Rawls College of Business, Texas Tech University from August, 2001 to present; Director of Alamosa PCS, a wireless communication company which is an affiliate of Sprint since February, 2003.
2005-04-29	Chairman of the Board from July 1993 to March 2004; Secretary from November 1997 to March 2004; Chief Executive Officer of the Company from August 1993 to March 1996; Executive Vice-President and Director of Tenneco, Inc. 1960-1992; President and CEO of Tetra Technologies, Inc. from April 1996 to August 2001; Director of Tetra Technologies, 1996 to present; Dean, Rawls College of Business, Texas Tech University from August, 2001 to present; Director of Alamosa PCS, a wireless communication company which is an affiliate of Sprint since February, 2003.
2006-04-21	Chairman of the Board from July 1993 to March 2004; Secretary from November 1997 to March 2004; Chief Executive Officer of the Company from August 1993 to March 1996; Executive Vice-President and Director of Tenneco, Inc. 1960-1992; President and CEO of Tetra Technologies, Inc. from April 1996 to September 2001; Director of Tetra Technologies, from 1996 to present; Dean, Rawls College of Business, Texas Tech University from August, 2001 to present; Director of Alamosa PCS, a wireless communication company (an affiliate of Sprint) from February 2003 to February 2006.
2007-04-30	Allen T. McInnes, 69 Director of the Company since 1993; Chairman of the Board from July 1993 to March 2004; Secretary of the Company from November 1997 to March 2004; Chief Executive Officer of the Company from August 1993 to March 1996; Executive Vice-President and Director of Tenneco, Inc. from 1960-1992; President and Chief Executive Officer of Tetra Technologies, Inc. from April 1996 to September 2001; Director of Tetra Technologies, a chemical manufacturer, from 1996 to present; Dean of the Rawls College of Business at Texas Tech University from August 2001 to present; Director of Alamosa PCS, a wireless communication company (an affiliate of Sprint), from February 2003 to February 2006.
2008-04-25	Allen T. McInnes, 70 Director of the Company since 1993; Chairman of the Board from July 1993 to March 2004; Secretary of the Company from November 1997 to March 2004; Chief Executive Officer of the Company from August 1993 to March 1996; Executive Vice-President and Director of Tenneco, Inc. from 1960-1992; President and Chief Executive Officer of Tetra Technologies, Inc. from April 1996 to September 2001; Director of Tetra Technologies, a chemical manufacturer, from 1996 to present; Chairman of the Board, President, and Treasurer of Chase Packaging Corporation, a development stage company, since 1997; Dean of the Rawls College of Business at Texas Tech University from August 2001 to present.
2009-04-28	Allen T. McInnes, 71 Director of the Company since 1993; Chairman of the Board from July 1993 to March 2004; Secretary of the Company from November 1997 to March 2004; Chief Executive Officer of the Company from August 1993 to March 1996; Executive Vice-President and Director of Tenneco, Inc. from 1960-1992; President and Chief Executive Officer of Tetra Technologies, Inc. from April 1996 to September 2001; Director of Tetra Technologies, a chemical manufacturer, from 1996 to present; Chairman of the Board, President, and Treasurer of Chase Packaging Corporation, a development stage company, since 1997; Dean of the Rawls College of Business at Texas Tech University from August 2001 to present.