Not too sure if this is true or not but according to this forum post below Colaharbour recordings is no longer releasing new records and looks like the entire label has been moved to the archive section just like with magic island and Subculture which are no longer with Armada anymore or the contract has expired. I find it a bit odd that Schulz has remained quiet on this. Also looks like he's no longer with his booking agency under David Lewis.
http://www.trancefix.nl/showthread.php?280283-Has-Subculture-left-Armada-music&p=1559600#post1559600
Looks like there is a possibility that he's moved to Blackhole recordings or own their own.