EXHIBIT 99.1 CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 To the knowledge of each of the undersigned, this Report on Form 10-QSB for the quarter ended June 30, 2002 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and the information contained in this Report fairly presents, in all material respects, the financial condition and results of operations of EP MedSystems, Inc. for the applicable reporting period. Date: August 14, 2002 By: /s/ David A. Jenkins ----------------------------------------- David A. Jenkins, Chief Executive Officer By: /s/ Joseph M. Turner ----------------------------------------- Joseph M. Turner, Chief Financial Officer