CSTONE PHARMA-B(02616): Xie Fang has been appointed as an independent non-executive director.

CSTONE PHARMA-B (02616) announces that Xie Fang has been appointed as an independent non-executive director, the chairman of the Audit Committee, and a member of the Remuneration Committee, Nomination Committee, and Investment Committee, effective from November 1, 2025. In order to devote more time to other personal affairs, He Ye resigns as an independent non-executive director, the chairman of the Audit Committee, and a member of the Remuneration Committee, Nomination Committee, the company's Strategic Committee, and the Investment Committee, effective from the close of business on October 31, 2025.