Knight Transportation Announces Opening of El Paso Operations Center

PHOENIX--(BUSINESS WIRE)--June 8, 2005--Knight Transportation Inc. (NYSE: KNX) announced the official opening of its 20th operations center in El Paso, Texas. The El Paso operations center is the second new operations center opened by Knight Transportation in 2005. Chairman and CEO Kevin Knight had the following comments:

"We are excited about the opening of our sixth new operations center within the last 18 months. The El Paso center is the newest addition to our growing network of operations centers throughout the country. We have confidence in the team that has been chosen for this opening and we look forward to the development and success of the El Paso center."

This press release contains forward-looking statements that involve risks, assumptions, and uncertainties that are difficult to predict. Statements that constitute forward-looking statements are usually identified by words such as "anticipates," "believes," "estimates," "projects," "expects," "plans," "intends," or similar expressions. These statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Such statements are based upon the current beliefs and expectations of our management and are subject to significant risks and uncertainties. The following factors, among others, could cause actual results to differ materially from those in forward-looking statements: the risks inherent in entering a new regional market, including but not limited to unfamiliarity with pricing and operational issues; the risk that customer relationships may be difficult to obtain or that we may have to reduce rates to gain customer relationships in the new region; and the risks and uncertainties identified from time to time in our filings with the Securities and Exchange Commission.