1. Partnering for Success May 31, 2006

2. National Carrier. Local Service. What sets Knight apart? We serve locally, ship nationally, and think globally. We keep an eye on the big picture, and the bottom line. We’re always looking for new ways to provide greater choice for our customers, and a stronger foundation for our business. No matter how far we go, we’ll always be Your Hometown National Carrier.

3. Our Growth Strategy Expand markets through new service center openings Expand service from existing service centers Continue to build and strengthen our customer relationships Excel at providing on time service Continue to Develop our Managers and Driving Associates Existing Knight Transportation service centers Existing Knight Refrigerated service centers Existing Knight Brokerage service centers Cities that could support a future Knight Transportation service center Cities that could support a future Knight Refrigerated service center Cities that could support a future Knight Brokerage service center Current & Potential U.S. Service Centers Continue to Develop our Superior Growth Model

4. Financial Highlights Double digit growth in revenues for 15 consecutive years $499 million in revenue for 2005 up 21% over 2004 Fleet growth of 16% in 2005 to 3,271 tractors and 7919 trailers A debt-free balance sheet Forbes Magazine’s 200 Best Small Companies list for the eleventh consecutive year

5. Other Services Dedicated We are in the trucking business so you don’t have to be. Knight Dedicated Operations takes the time to understand your business, and then tailors our services to fit your needs. We offer solutions to help your business succeed. Spotting Services Many customers with inbound and outbound demands are looking outside their own resources to provide additional services. This has included, but is not limited to, specialized hostling of equipment and onsite personnel. We can help find solutions to meet your needs. Short-Haul As many customers move their DC freight patterns to a short-haul regional system, there has been a greater need for a short-haul provider. As “Your Hometown National Carrier,” we have the ability to deliver inter-state and intra-state. Local Whether you need your freight moved across the street or the city, our service centers are strategically located in major metropolitan areas positioning us to provide premium local service.

6. Total Order Management System Qualcomm: Our entire fleet of tractors are equipped with Qualcomm “on-board” communication systems. This technology enables our driving associates to communicate real-time with our Operations team. It gives shipment visibility from origin to destination while the trailer is attached to the tractor. Terion: The GPS-based trailer management system with load-sensor technology provides visibility even when the trailer is not attached to the tractor. This new technology provides real-time trailer location with loaded and empty status. The system enhances cargo security significantly and is capable of managing trailer pools for Knight and our Customer. Web-based load tracking: This simple, user-friendly service provides up-to-date information on the status of your freight 24-hrs a day, 7-days a week utilizing our qualcomm system. Electronic Data Interchange: Knight offers electronic data services to our customers for tendering, shipment status, invoicing, and payment remittance in order to reduce paperwork between Knight and our Customer. Our Total Order Management system provides real-time information to our Operations, Sales, and Support teams to manage and service your account. Integrating with our Qualcomm, Terion, website, and EDI systems, the exception management capabilities allow us to focus on your freight and proactively service your account.

7. Revenue Comparisons 2005 Total Revenue $ 4,547,410 2004 Total Revenue $ 2,737,851 2003 Total Revenue $ 1,892,663 Where do you need our help ?

8. Industry Challenges 2007 engine changes Introduction of ultra-low sulfur fuel Non-reimbursed fuel cost Driver development and retention issues Practical miles versus shortest route Hours of Service changes Asset/equipment productivity

9. We could never achieve our goals without the loyalty of our customers. When we work with them–and they work with us–everyone comes out ahead. Communication. Consistency. Respect. That’s how we deliver value with every load.

10. 23033 Townsend Way Fairview, OR 97024