We are in discussions with people who have experience in the field of exchanges and we ask for their advice. It was unpredictable for the team and we are hoping that we will be able to find some alternative in the near future. Nothing is certain though as most exchanges need listing fees and we can offer them almost nothing .
However, if someone from the U.S. wants to have a stake in XEL he can always keep his coins in one of the wallets. Also if forging is enabled it will be good for the network.