AMA PRO RACING TO RUN WITH THE MOTOGP WORLD CHAMPIONSHIP AT MAZDA RACEWAY LAGUNA SECA At the Sixth Annual Red Bull U.S. Grand Prix July 23-25, 2010 MONTEREY, Calif. (January 4, 2010) The MotoGP World Championship returns to Mazda Raceway Laguna Seca in 2010 and the AMA Pro Racing Series will be the support series for the Red Bull U.S. Grand Prix. The 2010 race marks the sixth consecutive visit for MotoGP and AMA racing together at the historic Monterey circuit. “We are delighted to be returning to Monterey with the MotoGP World Championship Red Bull U.S. Grand Prix, ” said David Atlas, Chief Operating Officer, AMA Pro Racing. “Our sport has a long standing history at Mazda Laguna Seca Raceway and we are pleased to again be a part of this important international event for motorcycle racing.” The 2010 Red Bull U.S. Grand Prix will host three classes of AMA Pro racing slated to run at the world renowned racetrack on July 23- 25: AMA SuperSport, AMA Daytona SportBike and AMA American Superbike. Mazda Raceway Laguna Seca has a rich history of motorcycle racing starting with Cal Rayborn riding a Harley-Davidson to victory at the first AMA national race held at the track in 1972 to Nicky Hayden (the youngest ever AMA Superbike Champion) on his MotoGP victory lap with the American flag waving in 2005. All general admission tickets, paddock passes, grandstand seats, parking and general camping for the Red Bull U.S. Grand Prix are on sale by phone at (800) 327-7322 or on-line at www.mazdaraceway.com Mazda Raceway Laguna Seca was established in 1957. The world-renowned raceway has been operated since its inception by the Sports Car Racing Association of the Monterey Peninsula (SCRAMP), a not-for-profit 501C(4) corporation. Each race season, SCRAMP donates its net proceeds to the volunteer groups that help put on the races. Mazda Raceway Laguna Seca’s world-class 2010 racing schedule includes the American Le Mans Series May 21-23, the Red Bull U.S. Grand Prix featuring MotoGP World Championship July 23-25, the Pre-Historics August 7-8 and the Rolex Historics at Monterey August 12-15.