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Credit rating

Classification Grade rating agency rating date
corporate bond A0 Korea Investors Service 17-Apr-18
A0 Korea Investors Service 24-Oct-17
A+ Korea Investors Service 23-Dec-16
AA- Korea Investors Service 22-Apr-15
AA- Korea Investors Service 15-Apr-14
AA- Korea Investors Service 19-Jun-13
AA- Korea Investors Service 28-Jun-12
AA- Korea Investors Service 24-Jun-11
AA- Korea Investors Service 19-May-10
AA- Korea Investors Service 24-Jun-09
AA- Korea Investors Service 28-Mar-08
AA- Korea Investors Service 22-Jun-07
AA- Korea Investors Service 23-Jun-06
AA- Korea Investors Service 23-Sep-05
CP (Commercial Paper) A2 Korea Investors Service 17-Apr-18
A2 Korea Investors Service 24-Oct-17
A2+ Korea Investors Service 23-Dec-16
A1 Korea Investors Service 07-Oct-14
A1 Korea Investors Service 02-Dec-13
A1 Korea Investors Service 28-Jun-12
A1 Korea Investors Service 30-Jun-11
A1 Korea Investors Service 30-Jun-10
A1 Korea Investors Service 24-Jun-09
A1 Korea Investors Service 22-Dec-08
A1 Korea Investors Service 22-Jun-07
A1 Korea Investors Service 23-Jun-06
A1 Korea Investors Service 30-Jun-05