LAS VEGAS (May 24, 2004) - Clear Channel Entertainment’s Motor Sports division announced the schedule for the seventh-annual Maxxis U.S. Open.

“In recognition of the unique features of the U.S. Open, we have increased the number of laps in the 125cc and 250cc classes to further challenge the world’s greatest riders,” said Todd Jendro, director of supercross, Clear Channel Entertainment - Motor Sports.

FRIDAY & SATURDAY, OCTOBER 8, 9, 2004

10:00am - 6:00pm - Paddock open to public
1:00pm - 4:00pm - Arena Doors open to public to watch practice
7:00pm - Arena Doors open to the public
8:00pm - 8:20pm - Opening Ceremonies
8:20pm - 8:30pm - 125cc Heat #1 - 10 Laps
8:30pm - 8:40pm - 125cc Heat #2 - 10 Laps
8:40pm - 8:50pm - 250cc Heat #1 - 12 Laps
8:50pm - 9:00pm - 250cc Heat #2 - 12 Laps
9:00pm - 9:15pm - KTM Junior Supercross exhibition - 4 Laps
9:15pm - 9:25pm - Intermission
9:25pm - 9:30pm - 125cc LCQ - 8 Laps
9:30pm - 9:35pm - 85cc Race #1 - 6 Laps
9:35pm - 9:40pm - 250cc LCQ - 10 Laps
9:40pm - 10:00pm - Intermission
10:00pm - 10:05pm - 85cc Race #2 - 6 Laps
10:05pm - 10:20pm - 125cc Main Event Day One - 20 Laps
10:20pm - 10:25pm - Victory Circle
10:25pm - 10:45pm - 250cc Main Event Day One - 25 Laps
10:45pm - 10:50pm - Victory Circle

Once again the Xtreme package is available for only $200, which gives fans $100 tickets for both Friday and Saturday, a $25 ticket for Sunday, a weekend-long pit-pass, a Maxxis U.S. Open t-shirt and hat. The Xtreme package is available through www.ussx.com <http://www.ussx.com>.

The Maxxis U.S. Open, founded in 1998 is an invitation-only motocross race held at the MGM Grand Garden Arena, featuring the world’s top supercross/motocross racers competing for $300,000 - the single largest payout in motorcycle racing. In addition to the premier open class of racing, the Maxxis U.S. Open also offers a variety of racing including minicycles and KTM Junior Supercross Challenge racing. Past winners include: Damon Huffman (’98); Jeff Emig (’99); Ricky Carmichael (’00&’01); Mike LaRocco (’02); Chad Reed (’03). In addition, the Maxxis U.S. Open also plays host to the Amateur Arenacross World Finals.

About Clear Channel Entertainment
Clear Channel Entertainment, the world's largest producer and marketer of live entertainment events, is a subsidiary of Clear Channel Worldwide (NYSE: CCU), a global leader in the out-of-home advertising industry. Clear Channel Entertainment currently owns, operates and/or exclusively books 135 live entertainment venues, including 44 amphitheaters in the U.S. and 28 venues in Europe. Each year, more than 62 million people attend approximately 26,000 events promoted and/or produced by the company, including: Live music events; Broadway, West End and touring theatrical shows; family entertainment shows; and specialized sports and motor sports shows.

In addition, Clear Channel Entertainment owns leading talent management businesses that specialize in the representation of athletes and broadcasters, including independently operated baseball, basketball and football businesses. Clear Channel Entertainment is headquartered in New York City.

About AMA Pro Racing
AMA Pro Racing is the leading sanctioning body for motorcycle sport in the United States. Its Championships include the AMA Supercross Series, the AMA Chevy Trucks U.S. Motocross Championship, the AMA Super Moto, the AMA Chevy Trucks U.S. Superbike Championship and the AMA Progressive Insurance U.S. FlatTrack Championship.