Total : 77
2011-06-30 NICE Investors Service Commercial Paper/Short term A1
2011-06-29 Korea Investors Service Commercial Paper/Short term A1
2011-06-28 Korea Ratings Commercial Paper/Short term A1
2011-03-04 Korea Investors Service Issuer Credit Rating/N.A AA+
2010-12-31 NICE Investors Service Commercial Paper/Short term A1
2010-12-28 Korea Investors Service Commercial Paper/Short term A1
2010-12-22 Korea Ratings Commercial Paper/Short term A1
2010-06-30 Korea Investors Service Issuer Credit Rating/N.A. AA+
2010-03-03 Korea Investors Service Issuer Credit Rating/N.A. AA+
2009-12-28 Korea Investors Service Commercial Paper/Short term A1
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AAA AAA Principle amount payment ability is the best
AA AA+
AA
AA- 		Principle amount payment ability is very outstanding but inferior to AAA to some extent
A A+
A
A- 		Principle amount payment ability is outstanding but somewhat more susceptible to external changes than in superior grades
BBB BBB+
BBB
BBB- 		Principle amount payment ability is satisfactory but a potential drop of efficiency exists in future principle amount payment ability depending on economic circumstances and aggravation of surrounding situations
BB BB+
BB
BB- 		No current problem exists regarding principle amount payment, but potential speculative factors exist regarding future stability of repayment ability
B B+
B
B- 		Speculative outlook due to lack of principle amount payment ability and interest payment is uncertain in case of economic slump
CCC CCC Insecure state regarding principle amount payment and very speculative outlook due to possibility of unfulfillment of obligatory debt
CC CC More insecure compared to superior grades
C C High possibility of unfulfillment of obligatory debt repayment and no ability of principle amount payment
D D Under situation of unfulfillment of obligatory debt repayment
A1 A1 The ability of repayment on proper time is the best and stability of repayment ability is the best
A2 A2+
A2
A2- 		The ability of repayment on proper time is outstanding, but stability is inferior to A1 to some extent
A3 A2+
A2
A2- 		The ability of repayment on proper time is satisfactory, but stability is inferior to A2 to some extent
B B+
B
B- 		The ability of repayment on proper time is proper, but potential speculative factors exist in the stability depending on short-term changes in circumstances
C C Various speculative factors exist in the ability of repayment on proper time and stability of repayment ability
D D Under situation of unfulfillment of obligatory debt repayment