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with Apartment Guide, Auto Guide and New Home Guide
and is the #1 distributor of free consumer publications
through its proprietary distribution network in more than
16,000 locations.

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Education includes Channel One, a proprietary network to
secondary schools; Films Media Group, a leading source of
educational videos; and Interactive Medical Network, a
continuing medical education business.

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Advanstar Communications to Announce Fourth Quarter and Full Year 2004 Results

The Company has roughly 1,500 employees and
currently operates from multiple offices in North America, Latin
America, Europe and Asia. To listen to the presentation on the Internet, please
go to PRIMEDIA 's website, www.com

About PRIMEDIA

PRIMEDIA is the leading targeted media company in the United
States.

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The dial-in phone numbers are as follows:

Domestic participants 1-800-344-1355
International participants 1-706-643-7762

Conference ID Number 4529008

After you dial in, you will be asked to provide your name, the
leader name and the company hosting the call.

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PRIMEDIA Presenting at Investor Conference in Palm Beach Tuesday March 1 2005 9:45 am Eastern Time -GMT -5-

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Advanstar has 77 business
magazines, 19 directories, 7 electronic publications, 54 tradeshows
and 40 conferences, numerous Web sites, and a wide range of print and
electronic direct marketing, database and reference products and
services . Advanstar serves targeted market sectors including the
automotive, beauty, e-learning, call center , digital media,
entertainment/marketing, healthcare, fashion + apparel,
pharmaceuticals, powersports , science, telecommunications and travel/
hospitality industries.

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with well-known brands such as
Motor Trend, Automobile, Creating Keepsakes, In-Fisherman,
Power + Motoryacht, Hot Rod, Snowboarder, Stereophile and
Surfer.

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Business Editors

NEW YORK----Advanstar Communications
Inc.com) is a worldwide business information company
serving specialized markets with high quality information resources
and integrated marketing solutions.

Consumer Guides is the #1 publisher of free consumer guides in
the U.

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The leaders will be Joe
Loggia, Chief Executive Officer, and David Montgomery, Chief Financial
Officer, of Advanstar Communications , the call host.
A replay of the conference call will be available after 2:00 pm
Eastern on Thursday , March 10, 2005 through 11:59 pm Eastern on
Thursday, March 17, 2005.3 billion, our properties comprise
more than 200 brands that connect buyers and sellers in more markets
than any other media company through our print publications, Web
sites, events, newsletters and video programs in four market segments:

Enthusiast Media includes more than 120 consumer magazines,
their Web sites and About.

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advanstar. The conference will take place at The Breakers, Palm
Beach, Florida.

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primedia.

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Domestic participants 1-800-642-1687
International participants 1-706-645-9291

Conference ID Number 4529008

An audio recording will also be available on the investor
relations portion of our website at www.advanstar .
(www. Flynn, Senior Vice President and CFO will present at Bear
Stearns' Media Conference on Tuesday, March 1, 2005 at 9:45 am Eastern
Time (GMT -5).

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Business Editors

NEW YORK ----PRIMEDIA Inc.

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, a wholly owned subsidiary of Advanstar, Inc.
Based in New York, NY, Advanstar Communications Inc. (NYSE:
PRM) today announced that Kelly P. Conlin, President and CEO; and
Matthew A. With 2003 revenues of $1.com, and is the #1 special interest
magazine publisher in the U.

Business Information is a leading information provider in more
than 20 business market sectors with more than 60 magazines,
108 Web sites, 23 events, and 53 directories and data
products.

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PRIMEDIA's stock symbol is NYSE: PRM.

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, will release its
fourth quarter and full year 2004 earnings on Thursday, March 10,
2005, and will host a conference call that same morning, March 10,
2005 at 11:00 am Eastern to discuss its fourth quarter and full year
2004 performance .com after the encore
replay has expired.