AgencyRatingOutlookDate
DBRSAAA Stable Dec 16 2016
Moody'sAaa Stable Feb 28 2014
S&PAAA Stable Jan 14 2013
Moody'sAaa Negative Jul 23 2012
S&PAAA Negative Jan 13 2012
S&PAAA Negative Watch Dec 05 2011
S&PAAA Stable Apr 28 1994
Moody'sAaa Stable Sep 20 1989