Now in its eighth successful year, The Prepaid Press Expo will give you a better understanding of prepaid services, and the unique intersection of prepaid wireless, top up, mobile finance and payments. tppEXPO is the only trade event today that focuses on all prepaid products and services, facilitating the convergence of ideas and opportunities throughout the distribution chain. Don’t miss the industry’s only event created especially for you, and your prepaid business. The Prepaid Press Expo. Where Prepaid Converges.