| Rating Organization | Global Long-Term |
Global Short-Term | National Long-Term | National Short-Term | Outlook | Release Date |
|---|---|---|---|---|---|---|
| Fitch Ratings | BBB+ | F2 | AA-(twn) | F1+(twn) | Positive | 2026/5/11 |
| S&P Global Ratings | BBB+ | A-2 | - | - | Stable | 2026/9/10 |
| Taiwan Ratings | - | - | twAA- | twA-1+ | Stable | 2026/8/27 |