China Isotope & Radiation Corp.HKEX: 1763

Announcement delay in dispatch of circular

· Issued by China Isotope & Radiation Corp.

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

CHINA ISOTOPE & RADIATION CORPORATION

中 國 同 輻 股 份 有 限 公 司

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

(Stock Code: 1763)

ANNOUNCEMENT

DELAY IN DISPATCH OF CIRCULAR

Reference is made to the announcement of China Isotope & Radiation Corporation (the "Company") dated 31 October 2019 in relation to the entering into of the Tongchuang Investment Partnership (Limited Partnership) Partnership Agreement and the Tongfu Innovation Industrial Investment Fund Partnership (Limited Partnership) Partnership Agreement (the "Announcement"). Capitalized terms used in this announcement shall have the same meanings as those defined in the Announcement unless the context otherwise requires.

As disclosed in the Announcement, a circular (the "Circular") containing further information concerning the transactions referred to in the Announcement was expected to be dispatched to the Shareholders within 15 business days after the publication of the Announcement.

As additional time is required for the Company to finalize certain information to be included in the Circular, the dispatch of the Circular will be postponed to on or before 13 December 2019.

By order of the Board

China Isotope & Radiation Corporation

Meng Yanbin

Chairman

Beijing, the PRC, 21 November 2019

As at the date of this announcement, the Board comprises Mr. Meng Yanbin, Mr. Wu Jian and Mr. Du Jin as executive Directors; Mr. Zhou Liulai, Mr. Chen Shoulei and Mr. Chen Zongyu as non-executive Directors; and Mr. Guo Qingliang, Mr. Meng Yan and Mr. Hui Wan Fai as independent non-executive Directors.