Amp'd Mobile World Supercross GP is a 17-round global series that is produced and promoted by Clear Channel Entertainment and Dorna Off Road S.L. The Amp'd Mobile AMA Supercross Series is a 16-round national series within the United States that is produced and promoted by Clear Channel Entertainment, with the exception of the event held in Daytona Beach, Fl. that is independently produced by the International Speedway Corporation and also is not a part of the Amp'd Mobile World Supercross GP. Riders must compete in the international rounds to be eligible to win the World Supercross GP championship. In 2005-2006, the 17-event Amp'd Mobile World Supercross GP will be comprised of two international events and 15 of the 16 events that are conducted in major cities throughout the United States as a part of the Amp'd Mobile AMA Supercross Series. The winner of the Amp'd Mobile AMA Supercross Series will be crowned as the national champion for that series.Clear Channel Entertainment, a leading producer and marketer of live entertainment events is a subsidiary of Clear Channel Communications (NYSE:CCU), a global leader in the out-of-home advertising industry. Clear Channel Entertainment currently owns, operates and/or exclusively books approximately 130 live entertainment venues, including nearly 100 in North America and more than 30 in Europe. In 2003, 69 million people attended approximately 32,000 events promoted and/or produced by the company, including live music events; Broadway, West End and touring theatrical shows; family entertainment shows; museum exhibitions, and specialized sports and motor sports events. In addition, the company's independently operated athlete representation business, SFX, provides management, marketing and financial consulting services to many of the world's top professional athletes. Clear Channel Entertainment operates throughout North America, Europe, and Australia. More information may be found by visiting www.cc.com and www.clearchannel.com.