TRX, a provider of travel-transaction processing and data services, and American Express agreed to amend and extend certain aspects of a service agreement through the end of 2014.

The TRX press release notes that the renewed agreement means American Express Business Travel will use the TRX CORREX automated quality control and electronic ticketing platform through 2014, and adds that, “The new contract provides direct growth opportunities for TRX in the South American, Asia-Pacific, and previously untapped European markets.”

All of that indeed may turn out to be true. However, a TRX filing with the U.S. Securities and Exchange Commission paints a portrait of the renegotiated agreement that has potentially darker hues.