| Domestic Credit Ratings
| Korea Investors Service |
Non guaranteed bond |
AA |
| Korea National Information & Credit Evaluation Inc., NICE |
| Korea Ratings |
| Overseas Credit Ratings
| Japan Credit Rating Agency |
Long-term Issuer credit ratings |
A- |
| Short-term Issuer credit ratings |
- |
| Standard & Poor's |
Long-term Issuer credit ratings |
BBB |
| Short-term Issuer credit ratings |
A-2 |