i made an account and registered my game but forgot all of the information about that account so now i cant purchase anything from the exchange

[Andromache2013]

Contact EA: https://help.ea.com/contact-us/ask . For help with navigating the site, see this: http://sims3.crinrict.com/en/2012/10/how-to-contact-ea.html

It's possible they can help you.