EXHIBIT 99.1 CONTANGO OIL & GAS COMPANY 3700 Buffalo Speedway, Suite 960 Houston, Texas 77098 (713) 960-1901 Phone (713) 960-1065 Fax April 18, 2002 United States Securities and Exchange Commission Washington. D.C. 20549-0410 Ladies and Gentlemen: Arthur Andersen LLP has represented to Contango Oil & Gas Company ("the Company") that its audits were subject to Andersen's quality control system for the U.S. accounting and auditing practice to provide reasonable assurance that the engagement was conducted in compliance with professional standards and that there was appropriate continuity of Andersen personnel working on the audit and availability of national office consultation. Availability of personnel at foreign affiliates is not relevant to these audits. Very truly yours, /s/ KENNETH R. PEAK Kenneth R. Peak President and Chief Executive Officer