From the official release:
The Chicago Blackhawks have signed defenseman Garnet Exelby and have assigned him to the American Hockey League’s Rockford IceHogs.
Exelby, 29, has spent the 2010-11 season with Rockford, serving as team captain and ranking second on the club with 49 penalty minutes in 17 contests. The Ste. Anne, Manitoba, native is a veteran of 408 career National Hockey League regular-season games, racking up 43 assists, 50 points and 584 penalty minutes with the Atlanta Thrashers (2002-09) and Toronto Maple Leafs (2009-10).
Currently in his ninth professional campaign, Exelby spent parts of two seasons with the American Hockey League’s Chicago Wolves (2001-03), winning a Calder Cup with the Wolves in 2002. He was originally drafted by the Thrashers with their ninth choice, 217th overall, in the 1999 NHL Entry Draft.
There is no word on the cap number for Exelby yet. He had been playing for Rockford on a professional try-out contract, which could have expired. He is now part of the Blackhawks organization.