The Company’s operating revenue has been negative for three consecutive months.

1. Date of occurrence of the event:2025/06/06
2. Company name:Diamond Biofund Inc.
3. Relationship to the Company (please enter ”head office” or ”subsidiaries”):Head office.
4. Reciprocal shareholding ratios:N/A
5. Cause of occurrence:
   In accordance with the official letter No.1121802934 issued by Taiwan Stock Exchange Corporation on 2023/06/29. The Company should issue the material information to take notice to the investors when the operating revenue has been negative for three consecutive months.
6. Countermeasures:
   The Company recognizes operating revenue based on the evaluation gains and losses of the portfolios (including realized and unrealized). As the operating revenue has been negative for three consecutive months, the Company issues the material information to remind investors to take note.
7. Any other matters that need to be specified (the information disclosure also meets the requirements of Article 7, subparagraph 9 of the Securities and Exchange Act Enforcement Rules, which brings forth a significant impact on shareholders rights or the price of the securities on public companies.): The Company’s main investment area is biotechnology, whose stock price and fair value is greatly affected by research and development results, causing relatively large fluctuations. Therefore, if the fair value of the portfolio declines in the current year, the Company’s operating revenue may be negative.