WuXi AppTec : INSIDE INFORMATION PROPOSED DISPOSAL OF A SHARES BY A SHAREHOLDER

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.

WUXI APPTEC CO., LTD.*

無錫藥明康德新藥開發股份有限公司

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

(Stock Code: 2359)

INSIDE INFORMATION

PROPOSED DISPOSAL OF A SHARES BY A SHAREHOLDER

This announcement is made by WuXi AppTec Co., Ltd.* (無錫藥明康德新藥開發股份有 限公司) (the "Company") pursuant to Rule 13.09(2)(a) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Listing Rules") and the Inside Information Provisions (as defined under the Listing Rules) under Part XIVA of the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong).

Reference is made to the announcement of the Company dated April 30, 2019 in relation to, among other things, the end of lock-up period of the Restricted A Shares under the A Share IPO (the "Announcement"). Unless otherwise defined, capitalized terms used herein shall have the same meanings as those defined in the Announcement.

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PROPOSED DISPOSAL OF A SHARES BY A SHAREHOLDER

The Company has been informed by the following shareholder of the Company (the "Selling Shareholder") that it intends to dispose of certain A Shares (the "Proposed Disposal") during the period as stipulated below through block trading, which shall be subject to percentage restrictions under the applicable laws of the People's Republic of China. The details of the Proposed Disposal are set out below.

		Maximum
	Maximum	percentage of
	number of	total issued
	A Shares to	shares of the
	be disposed	Company			Price range
	of by the	under the			for the		Reason for
Selling	Selling	Proposed	Method of the	Period of the Proposed	Proposed	Source of A Shares for the	the Proposed
Shareholder	Shareholder	Disposal	Proposed Disposal	Disposal	Disposal	Proposed Disposal	Disposal
HCFII WX (HK)	Up to	Up to 1%	By block trading:	Block trading:	Based on	From other means	Normal
Holdings Limited	23,788,846		up to 23,788,846	September 17, 2020 to	market price	(including A Shares	divestment of
	A Shares		A Shares	December 15, 2020		obtained before the A Share	fund
						IPO and pursuant to the
						capitalization of reserve of
						the Company in 2018 and
						2019)

The Selling Shareholder will decide whether to carry out the Proposed Disposal after taking into account various factors, including market conditions and share price of the Company. Accordingly, the number of the A Shares to be disposed of by the Selling Shareholder under the Proposed Disposal are subject to change. The Proposed Disposal will not lead to any change of control in the Company.

Shareholders and potential investors should exercise caution when dealing in the securities of the Company.

By order of the Board

WuXi AppTec Co., Ltd.*

Dr. Ge Li

Chairman

Hong Kong, September 11, 2020

As of the date of this announcement, the board of directors of the Company comprises Dr. Ge Li, Mr. Edward Hu, Dr. Steve Qing Yang, Mr. Zhaohui Zhang and Dr. Ning Zhao as executive directors, Mr. Xiaomeng Tong and Dr. Yibing Wu as non-executive directors and Dr. Jiangnan Cai, Ms. Yan Liu, Mr. Dai Feng, Dr. Hetong Lou and Mr. Xiaotong Zhang as independent non-executive directors.

*For identification purpose only

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