GBT Travel Services UK Limited (GBT UK) and its authorized sublicensees use the “American Express Global Business Travel” trademark under a limited license from American Express. “American Express” and the American Express logo are trademarks and the property of American Express Company or its affiliated or related companies (American Express). GBT UK is a subsidiary of Global Business Travel Group, Inc. (NYSE: GBTG). American Express holds a minority interest in GBTG, which operates as a separate company from American Express.