They put the wallet into maintenance which means they are in the process of upgrading it to the new wallet so your coins should be fine. My new theory is that a couple of the exchanges don't know that new wallet works both before and after the fork so they are just being extra careful by putting the wallet into maintenance until the hard fork.  That is about 18 hours away.

I still check on all of the exchanges every day and from what I have heard they are all going to do it.