One Of FHM Magazines¿ ¿Sexiest Women in the World¿ to Promote Advanstar¿s Inaugural Arenacross Series

K&N Filters BooKoo Arenacross Championship Series Announces Erin Normoyle

Santa Ana, CA – September 28, 2005 – Advanstar Communications, Inc. ¿ a leading provider of print, event and online media for the powersports, off-road and automotive aftermarket industries ¿ today announced that Erin Normoyle, one of FHM Magazine¿s Sexiest Woman in the World, will be the national spokeswoman traveling with the inaugural K&N Filters Presents BooKoo Arenacross Championship Series.

The 21-year-old Australian has been a model since the age of 12 and racing motocross for the past seven years. After an extensive selection process, Erin emerged as the hands down favorite to be the spokesmodel for BooKoo Arenacross. ¿Erin¿s passion for racing, combined with her outgoing personality, make her the perfect spokesperson for our new series,¿ said Mike Kidd, Arenacross Race Director for Advanstar. ¿Given her background in the sport, she can relate well to the fans, racers and sponsors and will be a strong part of the series with her local appearances and promotions.¿

¿I love racing motocross and look forward to being part of Arenacross here in the USA,¿ said Erin. ¿Advanstar is presenting me with a great opportunity to see the country and promote their new BooKoo Arenacross. I am thrilled to be a part of such an exciting sport.¿

Erin has been racing motocross for seven years in Australia, most recently with the only fully backed girls motocross team that she helped develop with the support of Jim Beam, Fox Racing, and Yamaha Motor Corporation.

K&N Filters Presents BooKoo Arenacross Championship Series kicks off November 4-6, 2005 in Fort Worth, TX. Bookoo Arenacross promises to deliver bigger air…better tracks¿more speed¿. For more information please go to www.racearenacross.com or call 817-595-5844 for series details.

For more information on Erin Normoyle visit www.erinnormoyle.com.

About the Advanstar Powersports Group

The Powersports Group is the biggest producer worldwide for trade and consumer shows in the powersports industry, including the single largest aftermarket trade-only event: the Dealernews International Powersports Dealer Expo. In addition to Dealer Expo, Advanstar¿s powersports shows encompass nearly every product in all segments of the industry. ACI¿s Big Twin West show represents the passion of Big Twin, bringing together the manufacturers, builders, and buyers who power the marketplace. Targeting motorcycle markets across the country, Advanstar¿s Cycle World International Motorcycle Shows presented by Toyota Trucks draws more than 600,000 powersports consumers. Newly launched Arenacross Championship Series will debut in Fort Worth, Texas as stop one of a 12-event indoor dirt bike race series for competitors, racers, and fans of all ages. The powersports group also publishes leading trade publications Dealernews magazine and American Big Twin Dealer, as well as event-associated consumer publications Powersports Magazine, Hollister Guide, and Sturgis Guide.

About Advanstar Communications Inc.

Advanstar Communications Inc. (www.advanstar.com) is a leading worldwide media company providing integrated marketing solutions for the Fashion, Life Sciences and Powersports industries. Advanstar serves business professionals and consumers in these industries with its portfolio of 81 events, 57 publications and directories, 114 electronic publications and Web sites, as well as educational and dirrect marketing products and services. Market leading brands and a commitment to delivering innovative, quality products and services enables Advanstar to ¿Connect Our Customers With Theirs.¿ Advanstar has roughly 1,000 employees and currently operates from multiple offices in North America and Europe.