Pharmaron Beijing Co., Ltd — Proxy Solicitation & Information Statement 2021

Apr 28, 2021

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.

==> picture [81 x 33] intentionally omitted <==

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)

NOTICE OF THE FIRST H SHARES CLASS MEETING OF 2021

NOTICE IS HEREBY GIVEN THAT the first H Shares Class Meeting of 2021 (the “ H Shares Class Meeting ”) of Pharmaron Beijing Co., Ltd.* (康龍化成(北京)新藥技術股份有限 公司) (the “ Company ”) will be held at 6 Tai-He Road, Economic Technological Development Area, Beijing, the PRC after the conclusion of the Annual General Meeting of 2020 to be held on Friday, May 28, 2021 at 2 p.m. for the following purposes:

SPECIAL RESOLUTIONS

1. Repurchase and Cancellation of Part of the Restricted A Shares Granted Under the A Share Incentive Scheme.

2. Reduction of Registered Capital.

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 PRC April 28, 2021

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. Chen Guoqin, Mr. Tsang Kwan Hung Benson and Mr. Yu Jian as independent non-executive Directors.

– 1 –

Notes:

• (1) All votes of resolutions at the H Shares Class Meeting will be taken by poll pursuant to the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “ Listing Rules ”) and the results of the poll will be published on the websites of The Stock Exchange of Hong Kong Limited (www.hkexnews.hk) and the Company (www.pharmaron.com) in accordance with the Listing Rules.

• (2) Any shareholders entitled to attend and vote at the H Shares Class Meeting can appoint one or more proxies to attend and vote at the H Shares Class Meeting on his/her behalf. A proxy need not be a shareholder of the Company. If more than one proxy is so appointed, the appointment shall specify the number and type of shares in respect of which each proxy is so appointed.

• (3) Shareholders shall appoint their proxies in writing. The form of proxy shall be signed by the shareholder or his/her/its attorney who has been authorized in writing. If the shareholder is a corporation, the form of proxy shall be affixed with the corporation’s seal or signed by its director, or its attorney duly authorized in writing. If the form of proxy is signed by the attorney of the shareholder, the power of attorney or other authorization document shall be notarized. For H Shareholders, the aforementioned documents must be lodged with the H Shares Registrar, Computershare Hong Kong Investor Services Limited, at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong not less than 24 hours before the time appointed for holding the H Shares Class Meeting (i.e. 2 p.m. on Thursday, May 27, 2021 (Hong Kong time)) or any adjournment thereof in order for such documents to be valid. Completion and delivery of the form of proxy shall not preclude a shareholder of the Company from attending and voting in person at the meeting and, in such event, the instrument appointing a proxy shall be deemed to be revoked.

• (4) Shareholders who intend to attend the H Shares Class Meeting (in person or by proxy) shall complete and deliver the reply slip of H Shares Class Meeting to the H Shares Registrar of the Company, Computershare Hong Kong Investor Services Limited, at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong by hand or by post on or before Monday, May 24, 2021.

• (5) Shareholders shall produce their identification documents when attending the H Shares Class Meeting.

• (6) If a proxy attends the H Shares Class Meeting on behalf of a shareholder, he/she should produce his/her identification document and the power of attorney or other documents signed by the appointer or his/her attorney, which specifies the date of its issuance. If a representative of a corporate shareholder attends the H Shares Class Meeting, such representative shall produce his/her identification document and the notarized copy of the resolution passed by the board of directors or other authority or other notarized copy of any authorization documents issued by such corporate shareholder.

• (7) The H Shares Class Meeting is expected to last for half a day. Shareholders who attend the H Shares Class Meeting (in person or by proxy) shall bear their own traveling, accommodation and other expenses.

• (8) The contact of the Company:

Address: 6 Tai-He Road, Economic Technological Development Area, Beijing, the PRC Pharmaron Beijing Co., Ltd.* (康龍化成(北京)新藥技術股份有限公司)

Postal Code: 100176 Tel: 86 010-57330087 Contact Person: LI Shing Chung Gilbert Fax: 86 010-57330087

* For identification purposes only

– 2 –