1589 Yung-Kuan-KY

Release Date: August 12, 2026 Statement Date: August 11, 2026 Statement Time: 18:46:57 Company Code: 1589 Company Name: Yung-Kuan-KY Subject: Announcement that the company has received notice from the Taiwan Stock Exchange regarding the inclusion of its listed securities under modified trading methods (trading already suspended since April 7). Applicable Clause: Clause 1 Factual Date: August 11, 2026 Explanation: 1. Date of the Exchange's public announcement of disposition: August 11, 2026 2. Exchange rules cited for the disposition and reasons for occurrence: (1) Bondholders of the company's fourth unsecured convertible bond issued in Taiwan (Code: 15894) exercised their put option, but the company failed to repay on schedule. The company's listed securities had already been announced for modified trading methods and implemented batch auction trading. Additionally, all three independent directors have resigned, resulting in fewer than two independent directors with household registration in Taiwan. The company failed to complete the replacement election within the prescribed period. According to Article 49-1, Paragraph 1, Item 14 of the Exchange's Business Rules, the company's listed securities are now collectively designated for modified trading methods. (2) Previously, the company failed to announce and file its financial reports for fiscal year 2025 and the first quarter of 2026 within the legally mandated deadlines. It also failed to repay its fourth unsecured convertible bond upon creditors' redemption requests, and after three months, no repayment or settlement agreement was reached. As a result, the Exchange had already announced the suspension of trading of the company's listed securities. 3. Disposition Result (enter 'Modified Trading Methods', 'Trading Suspension', or 'Delisting'): Collectively Modified Trading Methods 4. Start Date of (Collective) Modified Trading Methods / Trading Suspension / Delisting: August 13, 2026 5. Countermeasures: None 6. Other Matters to be Disclosed: None 7. (Risk Warning) If the listed securities remain under continuous trading suspension for more than six months without resumption, there is a risk of delisting. Investors are urged to carefully assess investment risks.