Tranche Update on ArcBest Corporation's Equity Buyback Plan announced on January 23, 2003.

ArcBest Corporation is a logistics company. It leverages technology and a full suite of solutions to meet its customers’ supply chain needs. Its segments include Asset-Based, which consists of ABF Freight System, Inc. and certain other subsidiaries (ABF Freight), and Asset-Light, which includes MoLo Solutions, LLC (MoLo), Panther, and certain other subsidiaries. The Asset-Based segment provides less-than-truckload (LTL) services through ABF Freight’s motor carrier operations. Its Asset-Based segment offers transportation of general commodities through standard, time-critical, and LTL services. The Asset-Light segment includes the ground expedite services of Panther; its truckload and dedicated operations, including the truckload brokerage services of MoLo; household goods moving services under the U-Pack brand and its managed transportation solutions. Its truckload and dedicated services provide third-party transportation brokerage services by sourcing various capacity solutions.