|
| | S&P | Moody's | Fitch Ratings | DBRS Ltd |
| Bank Individual | -
| -
| bbb-
10/30/2012 | -
|
| Bank Support | -
| -
| 5
10/30/2012 | -
|
| Long-term Issuer | BBB- (ON)
4/22/2009 | -
| BBB- (OP)
10/30/2012 | BBB (low) (OS)
12/20/2011 |
| Senior Unsecured | BBB-
4/22/2009 | (P)Ba1 (OS)
12/17/2012 | BBB-
10/30/2012 | BBB (low) (OS)
12/20/2011 |
| Short-term/Commercial Paper | A-3
4/22/2009 | NP
4/20/2009 | F3
10/30/2012 | R-2 (low) (OS)
12/20/2011 |
| Subordinated Debt | BB+
4/22/2009 | Ba2
12/17/2012 | BB+
10/30/2012 | BB (high) (OS)
12/20/2011 |
| Trust Preferred | BB
12/6/2011 | Ba3 (OS)
12/17/2012 | B+
10/30/2012 | BB (high) (OS)
12/20/2011 |
| Credit Ratings (Subsidiaries) |
| | S&P | Moody's | Fitch Ratings | DBRS Ltd |
| Amegy Bank National Association |
 Long-term Issuer | -
| Baa3
12/17/2012 | BBB- (OP)
10/30/2012 | -
|
| Certificate of Deposit | -
| Baa3 (OS)
12/17/2012 | BBB
10/30/2012 | BBB (OS)
12/20/2011 |
| Short-term/Commercial Paper | -
| P-3
12/17/2012 | F3
10/30/2012 | R-2 (middle) (OS)
12/20/2011 |
| Bank Individual | -
| D+ (OS)
12/17/2012 | bbb-
10/30/2012 | -
|
| Bank Support | -
| -
| 5
10/30/2012 | -
|
| California Bank & Trust |
| Long-term Issuer | -
| Baa3
12/17/2012 | BBB- (OP)
10/30/2012 | -
|
| Certificate of Deposit | -
| Baa3 (OS)
12/17/2012 | BBB
10/30/2012 | BBB (OS)
12/20/2011 |
| Short-term/Commercial Paper | -
| P-3
12/17/2012 | F3
10/30/2012 | R-2 (middle) (OS)
12/20/2011 |
| Bank Individual | -
| D+ (OS)
12/8/2011 | bbb-
10/30/2012 | -
|
| Bank Support | -
| -
| 5
10/30/2012 | -
|
| Commerce Bank of Oregon |
| Long-term Issuer | -
| -
| BBB- (OP)
10/30/2012 | -
|
| Certificate of Deposit | -
| -
| BBB
10/30/2012 | BBB (OS)
12/20/2011 |
| Short-term/Commercial Paper | -
| -
| F3
10/30/2012 | R-2 (middle) (OS)
12/20/2011 |
| Bank Individual | -
| -
| bbb-
10/30/2012 | -
|
| Bank Support | -
| -
| 5
10/30/2012 | -
|
| Commerce Bank of Washington, National Association |
| Long-term Issuer | -
| -
| BBB- (OP)
10/30/2012 | -
|
| Certificate of Deposit | -
| -
| BBB
10/30/2012 | BBB (OS)
12/20/2011 |
| Short-term/Commercial Paper | -
| -
| F3
10/30/2012 | R-2 (middle)
12/20/2011 |
| Bank Individual | -
| -
| bbb-
10/30/2012 | -
|
| Bank Support | -
| -
| 5
10/30/2012 | -
|
| National Bank of Arizona |
| Long-term Issuer | -
| -
| BBB- (OP)
10/30/2012 | -
|
| Certificate of Deposit | -
| -
| BBB
10/30/2012 | BBB (OS)
12/20/2011 |
| Short-term/Commercial Paper | -
| -
| F3
10/30/2012 | R-2 (middle) (OS)
12/20/2011 |
| Bank Individual | -
| -
| bbb-
10/30/2012 | -
|
| Bank Support | -
| -
| 5
10/30/2012 | -
|
| Nevada State Bank |
| Long-term Issuer | -
| Baa3
12/17/2012 | BBB- (OP)
10/30/2012 | -
|
| Certificate of Deposit | -
| Baa3 (OS)
12/17/2012 | BBB
10/30/2012 | BBB (OS)
12/20/2011 |
| Short-term/Commercial Paper | -
| P-3
12/17/2012 | F3
10/30/2012 | R-2 (middle) (OS)
12/20/2011 |
| Bank Individual | -
| D+ (OS)
12/8/2011 | bbb-
10/30/2012 | -
|
| Bank Support | -
| -
| 5
10/30/2012 | -
|
| Vectra Bank Colorado, National Association |
| Long-term Issuer | -
| -
| BBB- (OP)
10/30/2012 | -
|
| Certificate of Deposit | -
| -
| BBB
10/30/2012 | BBB (OS)
12/20/2011 |
| Short-term/Commercial Paper | -
| -
| F3
10/30/2012 | R-2 (middle) (OS)
12/20/2011 |
| Bank Individual | -
| -
| bbb-
10/30/2012 | -
|
| Bank Support | -
| -
| 5
10/30/2012 | -
|
| Zions First National Bank |
| Long-term Issuer | BBB (ON)
4/22/2009 | Baa3
12/17/2012 | BBB- (OP)
10/30/2012 | -
|
| Certificate of Deposit | -
| Baa3 (OS)
12/17/2012 | BBB
10/30/2012 | BBB (OS)
12/20/2011 |
| Short-term/Commercial Paper | A-2 (WR)
4/4/2000 | P-3
12/17/2012 | F3
10/30/2012 | R-2 (middle) (OS)
12/20/2011 |
| Bank Individual | -
| D+ (OS)
12/17/2012 | bbb-
10/30/2012 | -
|
| Bank Support | -
| -
| 5
10/30/2012 | -
|
| |
| Ratings Watch Action Legend: (WP) Watch Positive, (WN) Watch Negative, (WU) Watch Uncertain, (WR) Watch Removed, (OP) Outlook Positive, (ON) Outlook Negative, (OS) Outlook Stable, (OD) Outlook Developing |
