Presentation Date

Presentation Name

Aug 18, 2005

Advanstar Presentation for Q2 Earnings Call

May 19, 2004

2004 Bear Stearns 13th Annual Global Credit Conference Presentation

May 19, 2004

Supplementary Reconciliation of Non-GAAP Fiancial Measures from the 2004 Bear Stearns 13th Annual Global Credit Conference

Nov 19, 2003

2003 CSFB High Yield Media and Communications Conference Presentation

Nov 18, 2003

Supplementary Reconciliation of Non-GAAP Financial Measures from the CSFB High Yield Media and Communications Industry Conference

Contact Advanstar Investor Relations: ir@advanstar.com

Published/Updated August 2006: We have provided this document for reference to our investors. It contains information that we believed to be accurate at the time of original publication, but may become outdated over time. We assume no responsibility for updating, supplementing, correcting or deleting this information.

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