| | | S&P | Moody's | Fitch Ratings | DBRS Ltd | | Long-term Issuer | BBB (OS) 6/14/2011 | -
| BBB+ (OS) 1/16/2013 | -
| | Preferred Stock | BB+ 6/14/2011 | Baa3 1/25/2013 | BBB- 1/16/2013 | -
| | Senior Unsecured | BBB 6/14/2011 | Baa2 (OP) 1/25/2013 | BBB+ 1/16/2013 | -
| | Credit Ratings (Subsidiaries) | |
Credit ratings for subsidiaries are currently unavailable.
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