Si Quan New Materials: Vice President and Secretary of the Board of Directors Guo Zhichao passed away in a traffic accident.

On June 21, Si Quan New Materials announced that Ms. Guo Zhichao, Vice President and Secretary of the Board of Directors of the company, passed away in a car accident on June 19, 2026. As of the disclosure date of the announcement, Ms. Guo Zhichao does not hold any shares of the company. Mr. Ren Zeming, Chairman of the company, will temporarily perform the duties of the Secretary of the Board of Directors.