China Isotope & Radiation : VOLUNTARY ANNOUNCEMENT - ENTERING INTO INVESTMENT AGREEMENT WITH THE GOVERNMENT OF JIAJIANG COUNTY

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CHINA ISOTOPE & RADIATION CORPORATION

中 國 同 輻 股 份 有 限 公 司

(A joint stock company incorporated in the People's Republic of China with limited liability)

(Stock Code: 1763)

VOLUNTARY ANNOUNCEMENT

ENTERING INTO INVESTMENT AGREEMENT WITH

THE GOVERNMENT OF JIAJIANG COUNTY

This announcement is made by China Isotope & Radiation Corporation (the "Company") on a voluntary basis to keep its shareholders and potential investors informed of the latest business development of the Company.

The Board of Directors (the "Board") of the Company is pleased to announce that, on 9 April 2021, Sichuan Zhonghe Tongyuan Technology Co., Ltd.* (hereinafter referred to as "Zhonghe Tongyuan") under CIRC and the government of Jiajiang County officially signed an investment agreement, making significant progress in the construction project of the research and development and production base of radioactive sources of CIRC.

The construction project of the research and development and manufacturing base of radioactive sources of CIRC is established by Sichuan Zhonghe Tongyuan Technology Co., Ltd., a wholly-owned subsidiary of Chengdu Gaotong Isotope Co., Ltd. (CNNC). According to the development strategy of the Company, Zhonghe Tongyuan will establish a project on building a research and development and production base of radioactive sources in the Civil Nuclear Technology Industrial Park in Jiajiangmu City, Sichuan. The project will mainly comprise a research and development center of radioactive sources, an application center of irradiation technology, a logistics center and its ancillary facilities. It will become a production base of radioactive sources with the most advanced technology in China and a leading position in the world upon completion.

This transaction does not constitute a discloseable transaction under Chapter 14 and a connected transaction under Chapter 14A of the Hong Kong Listing Rules.

By Order of the Board

China Isotope & Radiation Corporation

Meng Yanbin

Chairman

Beijing, the PRC, 15 April 2021

As at the date of this announcement, the Board comprises Mr. Meng Yanbin, Mr. Wang Suohui and Mr. Du Jin as executive Directors; Mr. Liu Zhonglin, Mr. Chen Shoulei, Ms. Chang Jinyu, and Ms. Liu Xiuhong as non-executive Directors; Mr. Hui Wan Fai, Mr. Tian Jiahe, Ms. Chen Jingshan and Mr. Lu Chuang as independent non-executive Directors.

• For identification only