Current Rating
Rating FAQ
Long-term  :   twAA+
Short-term  :   twA-1+
Outlook  :  Stable
Issuer Rating History
Rating Date Long-term Rating outlook (credit watch) Short-term Rating
2019/06/21 twAA+ Stable twA-1+
2017/05/09 twAA Stable twA-1+
2016/06/15 twAA- Positive twA-1+
2015/07/13 twAA- Stable twA-1+
2011/12/08 twA+ Stable twA-1
2011/06/30 twA+ Positive twA-1
2004/12/22 twA+ Stable twA-1
2004/11/11 twA+ Stable twA-2
2004/06/04 twA+ Watch Neg twA-2
2003/12/19 twA+ Stable twA-2
1998/12/03 twA Stable twA-2
Research Analysis
Publish Date Subject
2024/06/13 Research Update: E.SUN Commercial Bank Ltd. Ratings Affirmed At 'twAA+/twA-1+'; Outlook Stable
2023/06/27 Research Update: E.SUN Commercial Bank Ltd. Ratings Affirmed At 'twAA+/twA-1+'; Outlook Stable
2022/06/29 Media Release: E.SUN Commercial Bank Ltd. Ratings Affirmed At 'twAA+/twA-1+'; Outlook Stable
2022/06/02 Media Release: E.SUN Commercial Bank Ltd.'s Upcoming Series 111-2-B Unsecured Subordinated Debentures Rated 'twA+'
2022/05/06 Media Release: Taiwan Cooperative Bank Upgraded And Several Financial Institution Ratings Affirmed Following Taiwan Upgrade; Outlooks Stable
2022/01/11 Media Release: Selected Taiwan-Based Bank Ratings Affirmed Under Revised Criteria
2021/06/29 Research Update: E.SUN Commercial Bank Ltd. Ratings Affirmed At 'twAA+/twA-1+'; Outlook Stable
2021/04/23 Media Release: Ratings And Outlooks On Various Taiwanese Financial Institutions Revised Following Taiwan Upgrade
2020/06/19 Research Update: E.SUN Commercial Bank Ltd. Ratings Affirmed At 'twAA+/twA-1+'; Outlook Stable
Last 5 Years Issue Rating History
Series Amount
(Million)
Issue Date Maturity Date
Coupon Rate
(%)
Rating Rating Date
111-2-/B   2,100 2022/6/15 2032/6/15 2.1 twA+  2022/06/02
103-1/B   0 -- -- -- NR  2024/03/07
102-1/B   0 -- -- -- NR  2023/05/24
101-3/B   0 -- -- -- NR  2022/08/27
103-1/A   0 -- -- -- NR  2021/03/07
102-3/B   0 -- -- -- NR  2020/12/19
102-2/   0 -- -- -- NR  2020/08/28
*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.