Exhibit 99.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report of Repro-Med Systems, Inc., on Form 10-KSB for the period ending February 28, 2003 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Andrew Sealfon, Chief Executive Officer and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. ss.1350, as adopted pursuant to ss.906 of the Sarbanes-Oxley Act of 2002, that: The Report fully complies with the requirements of section 13 (a) or 15 (d) of the Securities Exchange Act of 1934; and The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company. /s/Andrew I. Sealfon Date: June 13, 2003 - -------------------- Andrew I. Sealfon, President, Treasurer, Chairman of the Board, Director, Chief Executive Officer and Chief Financial Officer