



| Credit Assessment Institution | Unsecured Bond | Outlook |
|---|---|---|
| Standard and Poor's | A- | Stable |
| Moody's | A3 | Stable |
| Fitch | A- | Stable |
| JCR | AA- | Stable |



| Credit Assessment Institution | Corporate bond | Outlook | Commercial Paper(CP) |
|---|---|---|---|
| Korea Ratings | AA+ | Stable | A1 |
| Korea Investors Service | AA+ | Stable | A1 |
| NICE Investors Service | AA+ | Stable | A1 |