Pharmaron Beijing Co., Ltd — AGM Information 2020

Apr 9, 2020

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.

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Pharmaron Beijing Co., Ltd. 康龍化成（北京）新藥技術股份有限公司*

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

(Stock Code: 3759)

CLOSURE OF REGISTER OF MEMBERS FOR THE ANNUAL GENERAL MEETING OF 2019

The Board of Pharmaron Beijing Co., Ltd.* (康龍化成（北京）新藥技術股份有限公司) (the “ Company ”) hereby announces that, for determining the list of shareholders of H shares (“ H Shares ”) of the Company who are entitled to attend and vote at the Annual General Meeting of 2019 (the “ AGM ”) which is scheduled to be held at 1:30 p.m. on Thursday, May 28, 2020, the H Shares register of members will be closed from Tuesday, April 28, 2020 to Thursday, May 28, 2020, both days inclusive. The shareholders of H Shares whose name appear on the register of shareholders of the Company on Tuesday, April 28, 2020 will be entitled to attend and vote at the AGM. During such period, no share transfers will be registered. In order to be eligible for attending and voting at the AGM, all transfers of H Shares accompanied by the relevant share certificates must be lodged with the Company’s H share registrar in Hong Kong, Computershare Hong Kong Investor Services Limited, at Shops 1712-1716, 17th Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong not later than 4:30 p.m. on Monday, April 27, 2020. Circular and announcement containing details of the resolutions to be proposed at the AGM, together with notice of the AGM, will be despatched to shareholders of the Company in due course.

By order of the Board Pharmaron Beijing Co., Ltd. 康龍化成（北京）新藥技術股份有限公司 Dr. Lou Boliang* Chairman

Beijing, the People’s Republic of China, April 9, 2020

As at the date of this announcement, the Board of Directors comprises Dr. Lou Boliang, Mr. Lou Xiaoqiang and Ms. Zheng Bei as executive Directors; Mr. Chen Pingjin, Mr. Hu Baifeng, Mr. Li Jiaqing and Mr. Zhou Hongbin as non-executive Directors; Mr. Dai Lixin, Ms. Li Lihua, Ms. Chen Guoqin, Ms. Shen Rong and Mr. Tsang Kwan Hung Benson as independent non-executive Directors.

• For identification purposes only