Announcement Regarding the Company Receiving an Opinion Letter from the Department of Industrial Development, Ministry of Economic Affairs, Declaring the Company a "Technology Enterprise with Market Potential"

1. Date of Occurrence: November 7, 2025

2. Company Name: Horien Biochemical Technology Co., Ltd.

3. Relationship with the Company (Please enter "Company" or "Subsidiary"): This Company

4. Cross-Shareholding Ratio: Not Applicable

5. Reason for Occurrence: This Company received a letter from the Taiwan Stock Exchange (Taiwan) notifying the Company of an opinion letter from the Department of Industrial Development, Ministry of Economic Affairs, declaring the Company a "Technology Enterprise with Market Potential." Letter Number: November 4, 2025, Taiwan Securities Exchange Approval Number: 1140008959

6. Countermeasures: This Company will submit an application for listing on the Taiwan Stock Exchange according to the planned schedule.

7. Other matters to be stated (if the entity making the event or resolution is a publicly traded company, this material information also meets the requirements of Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act regarding matters that have a significant impact on shareholders' equity or securities prices): None.