EXHIBIT 11 Certifications pursuant to Exchange Act Rule 13a-14(b) or Rule 15d-14(b) CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 Petrofund Energy Trust ("Petrofund") is filing its annual report on Form 40-F for the fiscal year ended December 31, 2003 (the "Report") with the United States Securities and Exchange Commission. I, Jeffrey E. Errico, President and Chief Executive Officer of Petrofund, certify, pursuant to 18 U.S.C. section 1350, as enacted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, 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 Petrofund. Dated: March 15, 2004 /s/ JEFFREY E. ERRICO -------------------------------------------- Jeffrey E. Errico President and Chief Executive Officer CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 Petrofund Energy Trust ("Petrofund") is filing its annual report on Form 40-F for the fiscal year ended December 31, 2003 (the "Report") with the United States Securities and Exchange Commission. I, Vince P. Moyer, Senior Vice-President, Finance and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. section 1350, as enacted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, 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 Petrofund. Dated: March 15, 2004 /s/ VINCE P. MOYER ---------------------------------------- Vince P. Moyer Senior Vice-President, Finance and Chief Financial Officer