[SinoChem Holdings] Announcement by Subsidiary 'Suzhou SinoChem Pharmaceutical Industry Co., Ltd.' Regarding Dismissal of Chairman.

1. Date of board resolution or change: May 5, 2026. 2. Type of personnel (Please enter Chairman or General Manager): Chairman. 3. Name of former incumbent: Wu Su-Huan. 4. Brief resume of former incumbent: Chairman of Suzhou SinoChem Pharmaceutical Industry Co., Ltd. 5. Name of new incumbent: Not applicable. 6. Brief resume of new incumbent: Not applicable. 7. Type of change (Please enter 'resignation', 'dismissal', 'term expiration', 'position adjustment', 'redundancy', 'retirement', 'death' or 'new appointment'): Dismissal. 8. Reason for change: Organizational restructuring. 9. Effective date of new appointment: Not applicable. 10. Other matters to be specified (If the subject of the event or resolution is a public company or above, this material information also complies with Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act, which stipulates matters that have a material impact on shareholders' equity or securities prices): The Chairman's duties will be handled by the current General Manager, Wang Hou-Jie, as acting Chairman. The new Chairman will be announced separately after the corporate director re-appoints its representative.