================================================================================ SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: (Date of earliest event reported): May 25, 2004 DAWSON GEOPHYSICAL COMPANY ------------------------------------------------------ (Exact name of registrant as specified in its charter) TEXAS 2-71058 75-0970548 ------------------------ ------------------------ ------------- (State of Incorporation) (Commission File Number) (IRS Employer Identification No.) 508 W WALL, SUITE 800 MIDLAND, TX 79701 ----------------------------------------- (Address of Principle Executive Officers) 432/684-3000 ---------------------------------------------------- (Registrant's telephone number, including area code) ------------------------------------------------------------- (Former name or former address, if changed since last report) ================================================================================ ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS (c) Exhibits 14 - Code of Business Conduct and Ethics ITEM 10. AMENDMENTS/WAIVERS TO THE REGISTRANT'S CODE OF ETHICS On May 17, 2004 the Board of Directors of the Company adopted the Dawson Geophysical Company Code of Business Conduct and Ethics. This Code represents both the code of ethics for the principal executive officer, principal financial officer, and principal accounting officer under Securities and Exchange Commission rules and the code of business conduct and ethics for directors, officers and employees under National Association of Securities Dealers Automated Quotation listing standards. The Code applies to all directors, officers, and employees. A copy of the Code is filed as exhibit 14. 2 SIGNATURE Pursuant to the requirements of the Securities and Exchange Act of 1934, the registrant duly caused this report to be signed by the undersigned hereunto duly authorized. Date: May 25, 2004 DAWSON GEOPHYSICAL COMPANY By: /s/ L. Decker Dawson -------------------------------- L. Decker Dawson CHIEF EXECUTIVE OFFICER By: /s/ Christina W. Hagan -------------------------------- Christina W. Hagan CHIEF FINANCIAL OFFICER 3 EXHIBIT INDEX EXHIBIT NO. EXHIBIT ----------- ------- 14 Code of Business Conduct and Ethics 4