【Hong Yang-KY】Announcement by Subsidiary Taiwan Glass Seal Electronics Co., Ltd. on Board Resolution Authorizing Chairman to Acquire Real Estate from Non-Related Parties

1. Date of occurrence of the event: 2026/05/12 2. Company name: Taiwan Glass Seal Electronics Co., Ltd. 3. Relationship with the company (please enter 'parent company' or 'subsidiary'): Subsidiary 4. Mutual shareholding ratio: 70% 5. Reason for occurrence: To improve capital utilization efficiency, it is proposed to acquire real estate from non-related parties; the board of directors has resolved to authorize the chairman to handle all related matters, such as negotiation, within a total transaction amount of NT$100 million. Subsequent procedures will follow the company's 'Procedures for Acquisition or Disposal of Assets'. 6. Countermeasures: None 7. Other matters that need to be specified (If the subject of the event or resolution is a public company or above, this material information simultaneously complies with Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act, which states that matters have a significant impact on shareholders' equity or securities prices): Relevant information such as specific property targets will be handled in accordance with the company's 'Procedures for Acquisition or Disposal of Assets' once available.