Hong Kong Exchanges and Clearing Limited

FORM 2 - Corporate Substantial Shareholder Notice

Form Serial Number:

CS20240328E00116

1. Date of relevant event:

25/03/2024
(dd/mm/yyyy)

2. Date when the substantial shareholder becomes aware of the relevant event / interest in the shares (if later):

27/03/2024
(dd/mm/yyyy)

3. Stock code:

02359

4. Name of listed corporation:

WuXi AppTec Co., Ltd. - H Shares

5. Class of shares:

H Shares

6. Number of issued shares in class:

387,076,150

7. Name of substantial shareholder:

JPMorgan Chase & Co.

8. Registered office:

383 Madison Ave., New York, NY 10179, United States

9. Principal place of business in Hong Kong:

N/A

15. Exchange on which listed:

New York Stock Exchange

16. Name of listed parent and exchange on which parent is listed:

N/A

17. Details of relevant event:

Brief description of relevant event

Capacity in which shares were/are held

Number of shares bought/sold or involved

Currency of transaction

On Exchange

Off Exchange

Before relevant event

After relevant event

Highest price (per share)

Average price (per share)

Average consideration (per share)

Nature of consideration

Long position

1104	The percentage level of your interest in the shares has increased because: you acquired a security interest in the shares

2201	Interest of corporation controlled by you

2201	Interest of corporation controlled by you

3,002,404

HKD

40.1250

39.4282

39.2878

3101

Cash

Short position

1402	You came to have a short position of 1% or more in the shares, or the percentage level of your short position in such shares increased because: you borrowed the shares under a securities borrowing and lending agreement

2201	Interest of corporation controlled by you

2201	Interest of corporation controlled by you

1,805,197

18. Total shares immediately before the relevant event:

	Total number of shares	Percentage figure (%)
Long position	36,192,585	9.35
Short position	11,352,887	2.93
Lending Pool	19,072,404	4.92

19. Total shares immediately after the relevant event:

	Total number of shares	Percentage figure (%)
Long position	39,194,989	10.12
Short position	13,158,084	3.39
Lending Pool	19,075,204	4.92

20. Capacity in which interests disclosed in Box 19 are held:

Capacity code

Number of shares

2201	Interest of corporation controlled by you

Long position	14,302,045
Short position	13,125,052

2102	Investment manager

Long position	2,200,518
Short position	33,032

2106	Person having a security interest in shares

Long position	3,617,222
Short position	0

2502	Approved lending agent

Long position	19,075,204
Short position	0

21. Further information in respect of derivative interests:

Derivatives code

Number of shares

4102	Listed derivatives - Cash settled

Long position	0
Short position	74,400

4105	Unlisted derivatives - Physically settled

Long position	0
Short position	296,711

4106	Unlisted derivatives - Cash settled

Long position	2,894,459
Short position	3,261,633

22. Further information in relation to interests of corporations controlled by substantial shareholder:

Name of controlled corporation

Address and place of incorporation

Name of controlling person

% control

Direct interest (Y/N)

Number of shares

JPMorgan Asset Management (China) Company Limited

42F&43F 479 Lujiazui Ring Road China (Shanghai) Pilot Free Trade Zone Shanghai 200120 China

JPMorgan Asset Management Holdings Inc.

100.00

Long position	28,280
Short position	0

J.P. Morgan Securities LLC

383 Madison Ave. New York NY 10179 United States

J.P. Morgan Broker-Dealer Holdings Inc.

100.00

Long position	3,545,054
Short position	496,100

JPMORGAN ASSET MANAGEMENT (UK) LIMITED

60 Victoria Embankment London EC4Y0JP England

JPMORGAN ASSET MANAGEMENT INTERNATIONAL LIMITED

100.00

Long position	29,229
Short position	21,497

J.P. Morgan Investment Management Inc.

383 Madison Avenue New York NY 10179 United States

JPMorgan Asset Management Holdings Inc.

100.00

Long position	1,955,918
Short position	3,392

J.P. Morgan Prime Inc.

383 Madison Avenue New York NY 10179 United States

J.P. Morgan Securities LLC

100.00

Long position	100,700
Short position	100,700

JPMorgan Asset Management (Singapore) Limited

88 Market Street 30-00 CapitaSpring Singapore 048948 Singapore

JPMorgan Asset Management (Asia) Inc.

100.00

Long position	53
Short position	53

JPMorgan Asset Management (Japan) Limited

Tokyo Building, 7-3 Marunouchi 2 Chome, Chiyoda-ku, Tokyo 100 6432 Japan

JPMorgan Asset Management (Asia) Inc.

100.00

Long position	4,498
Short position	4,498

JPMorgan Chase Bank, National Association

1111 Polaris Parkway Columbus OH 43240 United States

JPMorgan Chase & Co.

100.00

Long position	19,254,152
Short position	0

JPMorgan Asset Management (Asia Pacific) Limited

19 & 20/F, Chater House 8 Connaught Road Central Hong Kong Hong Kong

JPMorgan Asset Management (Asia) Inc.

100.00

Long position	3,592
Short position	3,592

J.P. MORGAN SECURITIES PLC

25 Bank Street Canary Wharf London E14 5JP England

J.P. MORGAN CAPITAL HOLDINGS LIMITED

100.00

Long position	14,273,513
Short position	12,528,252

JPMorgan Asset Management Holdings Inc.

383 Madison Avenue New York NY 10179 United States

JPMorgan Chase Holdings LLC

100.00

Long position	2,021,570
Short position	33,032

JPMorgan Chase Holdings LLC

383 Madison Avenue New York NY 10179 United States

JPMorgan Chase & Co.

100.00

Long position	5,667,324
Short position	629,832

J.P. Morgan Broker-Dealer Holdings Inc.

4 Chase Metrotech Center 4th Floor Brooklyn NY 11245 United States

JPMorgan Chase Holdings LLC

100.00

Long position	3,645,754
Short position	596,800

JPMORGAN ASSET MANAGEMENT INTERNATIONAL LIMITED

60 Victoria Embankment London EC4Y0JP England

JPMorgan Asset Management Holdings Inc.

100.00

Long position	29,229
Short position	21,497

J.P. Morgan Securities LLC

383 Madison Ave. New York NY 10179 United States

J.P. Morgan Broker-Dealer Holdings Inc.

100.00

Long position	100,700
Short position	100,700

J.P. Morgan International Finance Limited

383 Madison Avenue New York NY 10179 United States

JPMorgan Chase Bank, National Association

100.00

Long position	14,273,513
Short position	12,528,252

JPMorgan Chase Bank, National Association

1111 Polaris Parkway Columbus OH 43240 United States

JPMorgan Chase & Co.

100.00

Long position	14,273,513
Short position	12,528,252

JPMorgan Asset Management (Asia) Inc.

383 Madison Avenue New York NY 10179 United States

JPMorgan Asset Management Holdings Inc.

100.00

Long position	8,143
Short position	8,143

J.P. MORGAN CAPITAL HOLDINGS LIMITED

25 Bank Street Canary Wharf London E14 5JP England

J.P. Morgan International Finance Limited

100.00

Long position	14,273,513
Short position	12,528,252

23. Further information in relation to interests held by substantial shareholder jointly with another person:

Name of joint shareholder	Address	Number of shares

24. Further information from a trustee, a beneficiary of a trust, or a person who set up a discretionary trust:

Names of trust	Address	Status code	Number of shares

25. Further information from a party to an agreement under Section 317 (Please see Notes for further information required):

Names of other parties	Address	Number of shares

Total number of shares in which a substantial shareholder is interested under sections 317 and 318

26. Details of person(s) in accordance with whose directions the substantial shareholder or its directors are accustomed to act:

Names	Address	Relationship Code	Percentage (%)

27. Supplementary information:

28. Log/Serial Number of the previous form:

29. Number of concert party document(s) under section 317 attached/uploaded:

Date of filing this Form 2:

28/03/2024
(dd/mm/yyyy)