Exhibit 32.1
In connection with the Quarterly Report of Advanstar Communications Inc. (the “Company”) on Form 10-Q for the three months ended September 30, 2004 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Joseph Loggia, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:
(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 result of operations of the Company.
By: |
| /s/ JOSEPH LOGGIA |
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| Joseph Loggia |
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| Chief Executive Officer |
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| Date: November 15, 2004 |