The contract has an automatic one year renewal clause set for Aug. 15 if neither party cancels at least 90 days before the anniversary date. ABX Air, a subsidiary of the recently renamed Air Transport Services Group, provides sorting, maintenance, and other logistics services in support of DHL's express package network in the United States, including management of DHL's national sorting center in Wilmington, Ohio, and 15 of its regional sorting centers across the country.

ABX Air earns base markup revenues equal to 1.75 percent of eligible expenses it incurs under the agreement, and can earn additional markup revenue based on its performance against certain cost and service goals. In 2007, ABX Air's revenues were $317 million, and its pretax earnings were $7.6 million, from services provided under this agreement.