X0306 4 2020-07-22 0 0001492691 Knight-Swift Transportation Holdings Inc. KNX 0001187342 KNIGHT KEVIN P 20002 NORTH 19TH AVENUE PHOENIX AZ 85027 1 1 0 0 Executive Chairman Class A Common Stock 2020-07-22 4 S 0 50000 47 D 2037215 I Trust Class A Common Stock 2020-07-23 4 S 0 100000 46.0567 D 1937215 I Trust Class A Common Stock 3317 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2019. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.00 to $46.22, inclusive. The reporting person undertakes to provide to KNX, any security holder of KNX, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Jessica A. Powell, Attorney in Fact 2020-07-24