The board of Directors of China Isotope & Radiation Corporation announced that Mr. Xu Hongchao has tendered his resignation as the general manager of the Company due to adjustment in work and position, with effect from 6 May 2024. Mr. Xu Hongchao has confirmed that he has no disagreement with the Board and there is no matter in relation to his resignation which needs to be brought to the attention of the Shareholders. During his tenure of office, Mr. Xu Hongchao has led the Company's management team to unswervingly promote the implementation of the Company's strategy, making important contributions for the Company to enhance its operating and development quality and achieve sustainable and healthy development.