GRASSROOTS MOTORSPORTS OFFERS $1,500 IN CASH CONTINGENCIES TO ALL TOP FINISHERS RICHMOND, CA - November 8, 2006 The National Auto Sport Association (NASA) is pleased to announce that Grassroots Motorsports magazine (GRM) will offer a very generous $1,500 cash contingency reward to the top finishers at the annual NASA 25 Hours of Thunderhill on December 1-3, 2006. “We are thrilled to be a part of the 25 Hours of Thunderhill,” said Tim Suddard, GRM Publisher. He added, “NASA members are an important part of our business and this program is a great way to give back to some of those loyal GRM readers.” The cash award program will apply to every class at the 25 Hours of Thunderhill event. The program will award drivers a cash payout in the amount of $250 for first place. Competitors must prominently display 2 GRM stickers (one on each side of vehicle) supplied by GRM during the 25 Hour event. Stickers must be placed and visible by start of the 25 hour race. Additionally, as part of this program, each vehicle competing at the 25 Hours of Thunderhill will need to have 2 GRM stickers (one on each side of vehicle) before the start of the 25 hour race. It is a requirement that NASA officials will enforce at the event. GRM stickers will be available to every team at the 25 Hour event. Grassroots Motorsports magazine is the official magazine of NASA. Because you are a NASA member, you already know what a great magazine GRM is. For more information about GRM, please visit www.GrassrootsMotorsports.com.