Rating       Credit Agency         Description

Not Rated   No Credit Agency     Obligation not rated
AAA           S&P Long Term       Highest rating
AA+           S&P Long Term       Very strong
AA             S&P Long Term        Very strong
AA-           S&P Long Term        Very strong
A+             S&P Long Term         Still strong
A               S&P Long Term         Still strong
A-              S&P Long Term         Still strong
BBB+        S&P Long Term          Adequate protection
BBB           S&P Long Term         Adequate protection
BBB-         S&P Long Term         Adequate protection
BB+           S&P Long Term         Ongoing uncertainties-less vulnerable
BB             S&P Long Term         Ongoing uncertainties-less vulnerable
BB-            S&P Long Term         Ongoing uncertainties-less vulnerable
B+              S&P Long Term         Ongoing uncertainties-more vulnerable
B                S&P Long Term         Ongoing uncertainties-more vulnerable
B-               S&P Long Term         Ongoing uncertainties-more vulnerable
CCC+        S&P Long Term         Vulnerable to nonpayment
CCC          S&P Long Term         Vulnerable to nonpayment
CCC-         S&P Long Term         Vulnerable to nonpayment
CC             S&P Long Term         Bankrupcy-payments continued
D                S&P Long Term         Payments in default
A-1+          S&P Short Term         Highest rating
A-1            S&P Short Term         Highest rating
A-2            S&P Short Term         Satisfactory
A-3            S&P Short Term         Adequate
B                S&P Short Term        Ongoing uncertainties
C                S&P Short Term        Vulnerable to nonpayment
D                S&P Short Term         Payments in default
Aaa            Moody's Long Term    Best quality
Aa              Moody's Long Term    High quality
A                Moody's Long Term    Possess favorable investment attributes
Baa             Moody's Long Term    Medium grade
Ba              Moody's Long Term     Has speculative elements
B                Moody's Long Term     Lack characteristics of a desirable investment
Caa            Moody's Long Term     Of poor standing
Ca             Moody's Long Term      Speculative in a high degree
C               Moody's Long Term      Extremely poor prospects
Prime-1      Moody's Short Term     Superior ability for repayment
Prime-2      Moody's Short Term     Strong ability for repayment
Prime-3      Moody's Short Term     Acceptable ability for repayment
Not-Prime   Moody's Short Term    Does not fall into Prime category
MIG 1        Moody's Short Term     Best quality
MIG 2        Moody's Short Term     High quality
MIG 3        Moody's Short Term     Favorable quality
SG             Moody's Short Term     Speculative quality
AAA          Fitch Long Term            Highest credit quality
AA+           Fitch Long Term           Very high credit quality
AA             Fitch Long Term           Very high credit quality
AA-            Fitch Long Term           Very high credit quality
A+              Fitch Long Term           High credit quality
A                Fitch Long Term           High credit quality
A-               Fitch Long Term           High credit quality
BBB+          Fitch Long Term          Good credit quality
BBB            Fitch Long Term           Good credit quality
BBB-           Fitch Long Term          Good credit quality
BB+            Fitch Long Term           Speculative
BB               Fitch Long Term          Speculative
BB-             Fitch Long Term           Speculative
B+               Fitch Long Term           Highly speculative
B                 Fitch Long Term           Highly speculative
B-                Fitch Long Term          Highly speculative
CCC+         Fitch Long Term           High default risk-real possibility
CCC            Fitch Long Term          High default risk-real possibility
CCC-          Fitch Long Term           High default risk-real possibility
CC               Fitch Long Term          High default risk-probable default
C                  Fitch Long Term          High default risk-imminent default
DDD             Fitch Long Term          Default-highest recovery potential
DD                Fitch Long Term          Default-recover 90 to 50 percent
D                  Fitch Long Term           Default-recover less than 50 percent
F1+              Fitch Short Term           Highest credit quality
F1                Fitch Short Term           Highest credit quality
F1-              Fitch Short Term           Highest credit quality
F2                Fitch Short Term           Good credit quality
F3                Fitch Short Term           Fair credit quality
B                  Fitch Short Term           Speculative
C                  Fitch Short Term          High default risk
D                  Fitch Short Term          Default