Current Rating
Rating FAQ
Long-term  :   twA+
Short-term  :   twA-1
Outlook  :  Stable
Issuer Rating History
Rating Date Long-term Rating outlook (credit watch) Short-term Rating
2021/12/08 twA+ Stable twA-1
2012/12/27 twA Stable twA-1
2011/12/13 twA- Positive twA-2
2010/12/30 twA- Stable twA-2
2009/06/15 twA- Negative twA-2
2005/12/19 twA- Stable twA-2
2004/12/22 twA- Developing twA-2
2004/12/10 twBBB- Developing twA-3
2003/10/30 twBBB- Positive twA-3
2002/12/18 twBBB- Stable twA-3
2000/12/01 twBBB Negative twA-3
2000/01/11 twBBB Stable twA-3
Research Analysis
Publish Date Subject
2024/12/12 Research Update: Union Bank of Taiwan Ratings Affirmed At 'twA+/twA-1'; Outlook Stable
2023/12/14 Research Update: Union Bank of Taiwan Ratings Affirmed At 'twA+/twA-1'; Outlook Stable
2022/12/21 Research Update: Union Bank of Taiwan Ratings Affirmed At 'twA+/twA-1'; Outlook Stable
2022/01/18 Media Release: Selected Taiwan-Based Bank Ratings Affirmed Under Revised Criteria
2021/12/08 Media Release: Union Bank of Taiwan Upgraded To 'twA+/twA-1' On Good Asset Quality; Outlook Stable
2020/12/18 Research Update: Union Bank of Taiwan Ratings Affirmed At 'twA/twA-1'; Outlook Stable
Last 5 Years Issue Rating History
Series Amount
(Million)		 Issue Date Maturity Date
 Coupon Rate
(%)		 Rating Rating Date
104-1/   0 -- -- -- NR  2022/04/22
102-1-/   0 -- -- -- NR  2020/12/19
*Taiwan Ratings maintains continuous surveillance over its ratings and the “Rating date” below refers to the last date on which the ratings/outlook have been changed or the ratings on/off CreditWatch.
*Unless there is a material change in our rating views on a given entity, Taiwan Ratings does not update the “Rating date,” which is accordance with the general international practice for rating disclosures.