EXHIBIT AJoint Filing Agreement • January 14th, 2002 • Petschek Jay R • Calculating & accounting machines (no electronic computers)
The undersigned hereby agree to jointly prepare and file with regulatory authorities a Schedule 13G and any future amendments thereto reporting each of the undersigned's ownership of securities of U.S. Wireless Data, Inc. and hereby affirm that such Schedule 13G is being filed on behalf of each of the undersigned.
