| Rating Agency | Rating | Outlook | Issue Date |
|---|---|---|---|
| Taiwan Ratings | tw AA+ | Stable | 2025/09/24 |
| S&P | A- | Stable | 2025/09/24 |
| Fitch Ratings | A / AA+(twn) | Rating Watch Negative | 2025/05/15 |
| Moody's | A3 | Stable | 2025/06/24 |
| Rating Agency | Rating | Outlook | Issue Date |
|---|---|---|---|
| Taiwan Ratings | tw AA+ | Stable | 2025/09/24 |
| S&P | A- | Stable | 2025/09/24 |
| Fitch Ratings | A / AA+(twn) | Rating Watch Negative | 2025/05/15 |
| Moody's | A3 | Stable | 2025/06/24 |