1 EXHIBIT 23 PENTON MEDIA, INC. DECEMBER 31, 2000 FORM 11-K CONSENT OF INDEPENDENT ACCOUNTANTS ---------------------------------- We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-62385) of Penton Media, Inc. of our report dated June 20, 2001 relating to the financial statements of Penton Media, Inc. Retirement Savings Plan, which appears in this Form 11-K. /s/ PricewaterhouseCoopers LLP - ------------------------------ PricewaterhouseCoopers LLP Cleveland, Ohio June 27, 2001 16