Discover Financial Services, a leading direct bank and payments services company, and Promoción y Operación S.A. de C.V. (Prosa), a leading payment solutions provider and domestic payments network in Mexico, signed an agreement to form a strategic network alliance to expand Discover® Global Network acceptance in Mexico. Discover, Diners Club International®, PULSE and network affiliate cards will now be accepted on Prosa’s network in Mexico at both point-of-sale and ATM locations.