EX-32.1 5 d56550_ex32-1.txt CEO CERTIFICATION EXHIBIT 32.1 CERTIFICATION I, Richard Reiss, Chief Executive Officer of Wire One Technologies, Inc., (the "Company"), pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, do hereby certify as follows: 1) the quarterly report on Form 10-Q of the Company for the quarter ended June 30, 2003 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 such Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company at the dates of and for the periods indicated. August 14, 2003 /s/ Richard A. Reiss ---------------------------------- Richard A. Reiss Chief Executive Officer