Considering III is a unit and they've done every other Rockman Z CD (
http://vgmdb.net/artist/765), shouldn't they be in Arranged as well? Maybe not listed yet due to no breakdown, maybe.
This is the first thing that popped up when I searched for arrangement and the catalog,
http://circled6.net/zero/cd/zerocollectioncd2.htm
and I figure it's most likely reliable, but until a booklet scan shows up or credits on an official site