[Long Hwa] Announcement of Receiving Notice from TWSE Regarding Altered Trading Method for the Company's Listed Securities

1. Date of TWSE's disciplinary action announcement: 2026/05/18 2. TWSE's operating rules clause cited and reason for occurrence: The Company's most recent financial report shows that its net worth is lower than one-half of its stated share capital, which is an event stipulated under Article 49, Paragraph 1, Subparagraph 1 of the TWSE's Operating Rules, leading to its designation for altered trading method. 3. Handling result (please enter "altered trading method", "suspension of trading", or "termination of listing"): altered trading method 4. Start date of (consolidated) altered trading method/suspension of trading/termination of listing for the stock: 2026/05/20 5. Responsive measures: None 6. Other matters to be specified: None 7. (Risk Warning) If the listed securities remain suspended from trading for a continuous period of six months without resumption, the securities may be subject to termination of listing. Investors are reminded to pay careful attention to investment risks.: Not applicable