Single Touch Systems Launches Mobile Donations Program in Association With CharityCall and Truist

SAN DIEGO, April 7, 2009 — Single Touch Systems, Inc., (OTCBulletinBoard: SITO) Single Touch is pleased to announce the launch of a mobile donations program in association with CharityCall and Truist. Single Touch is a leading innovator in mobile commerce and direct response solutions and Truist is the leading provider of global philanthropy solutions. Callers can make donations to a charity or cause of their choice simply and efficiently by calling #505.