SAN ANTONIO, Texas--July 12, 2006--Rush Enterprises Inc., , which operates the largest network of heavy-duty and medium-duty truck dealerships in North America and a construction equipment dealership in Houston, Texas, will host its quarterly conference call to discuss earnings for the second quarter on Thursday, July 20, 2006, at 10:00 a.m. EDT/ 9:00 a.m. CDT. Earnings will be reported on Wednesday, July 19, 2006, after close of market.

Listen to the live conference call on Thursday, July 20, 2006, at 10 a.m. EDT/ 9 a.m. CDT.

US:             866-200-5830
International:  732-694-1588
Pin Code:       947572#

The conference call, featuring Chairman Marvin Rush; President & Chief Executive Officer Rusty Rush; and Senior Vice President & Chief Financial Officer Martin Naegelin, can be accessed live via the Internet at www.rushenterprises.com ('Events') section, www.earnings.com or www.streetevents.com. For those cannot listen to the live broadcast, the Webcast will be available until August 20.

For those who cannot listen to the live broadcast, the audio replay will be available until August 20, by dialing 866-206-0173 (US) or 732-694-1571 (International) and entering the conference reference code 179747 followed by the # key.

About Rush Enterprises

Rush Enterprises operates the largest network of heavy-duty truck and medium-duty dealerships in North America and a John Deere construction equipment dealership in Houston, Texas. Its operations include a network of over 40 Rush Truck Centers located in Alabama, Arizona, California, Colorado, Florida, Oklahoma, New Mexico, Tennessee and Texas. The Company has developed its Rush Truck Centers and its Rush Equipment Center as "one-stop centers" where, at one convenient location, its customers can purchase new or used trucks or construction equipment, purchase insurance products, purchase aftermarket parts and accessories and have service performed by certified technicians. For additional information on Rush Enterprises, Inc., please visit www.rushenterprises.com.

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