maybe you have information about clam wallet in yobit exchange ? I waiting withdraw already week, with status - "Transfer from cold storage", and any respond for support.
They bought a ton of advertising just now.
https://bitcointalk.org/index.php?topic=1472756.msg14939029#msg14939029I'm sure if you ask them or PM that they'd fix your withdraw.
Maybe they are just bold ass scammers.