Current Rating
Rating FAQ
Long-term  :   twA-
Short-term  :   twA-2
Outlook  :  Negative
Issuer Rating History
Rating Date Long-term Rating outlook (credit watch) Short-term Rating
2024/10/04 twA- Negative twA-2
2021/05/10 twA- Stable twA-2
Research Analysis
Publish Date Subject
2025/04/22 Research Update: Zyxel Group Corp. Ratings Affirmed At 'twA-/twA-2'; Outlook Negative
2024/10/04 Media Release: Zyxel Group Corp. Outlook Revised To Negative From Stable On Weakening Profitability;'twA-/twA-2' Ratings Affirmed
2024/04/09 Research Update: Zyxel Group Corp. Ratings Affirmed At 'twA-/twA-2'; Outlook Stable
2023/04/20 Research Update: Unizyx Holding Corp. Ratings Affirmed At 'twA-/twA-2'; Outlook Stable
2022/04/25 Research Update: Unizyx Holding Corp. Ratings Affirmed At 'twA-/twA-2'; Outlook Stable
2021/05/10 Media Release: Unizyx Holding Corp. Assigned 'twA-/twA-2' Ratings; Outlook Stable
Last 5 Years Issue Rating History
Series Amount
(Million)		 Issue Date Maturity Date
 Coupon Rate
(%)		 Rating Rating Date
None
*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.