Throughout terminals that operate international flights at GRU Airport you will find currency exchange stores were you can conveniently change your currency and enjoy your trip even more.
Here is a list and their location:
Terminal 2 - Departure - Check-In D, Internacional Arrival - Restricted Area
Terminal 3 - Departure - Check-In G, Departure - Restricted Area,
Arrival – Area Restitution Of Luggage
+55 (11) 2445-7137 / (11) 2445-7044
Terminal 2 - Departure East - Check-in D
+55 (11) 2445-2868