Knight Transportation Announces Opening of Chicago Operating Center

PHOENIX--(BUSINESS WIRE)--April 4, 2005--Knight Transportation Inc. (NYSE: KNX) announced the official opening of its 19th operations center in Chicago. The Chicago operations center is the first new operating center opened by Knight Transportation this year. Chairman and CEO Kevin Knight had the following comments:

"Knight Transportation is excited to announce the opening of its 19th operations center in Chicago. We believe we have a strong team in place to implement the startup of this facility, and look forward to providing quality service to our customers in order to strengthen our presence in this region and deliver value to our shareholders. We opened four operations centers in 2004 in Las Vegas, Carlisle, Pa., Lakeland, Fla., and our first refrigerated operations center in Phoenix. Based upon the early results and development of these four new operating centers, we believe the Chicago facility will perform well."

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.