EXHIBIT 32 CERTIFICATION OF CHIEF EXECUTIVE OFFICER OF GASCO ENERGY, INC. PURSUANT TO 18 U.S.C. ss. 1350 In connection with the accompanying Annual Report of Gasco Energy, Inc. (the "Company") on Form 10-K for the period ended December 31, 2003 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Mark A. Erickson, Chief Executive Officer of the Company, hereby certify, to my knowledge, that: 1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and 2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. /s/ Mark A. Erickson Name: Mark A. Erickson Date: March 25, 2004 1 CERTIFICATION OF CHIEF FINANCIAL OFFICER OF GASCO ENERGY, INC. PURSUANT TO 18 U.S.C. ss. 1350 In connection with the accompanying Annual Report of Gasco Energy, Inc. (the "Company") on Form 10-K for the period ended December 31, 2003 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, W. King Grant, Chief Financial Officer of the Company, hereby certify, to my knowledge, that: 1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and 2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. /s/ W. King Grant Name: W. King Grant Date: March 25, 2004 2