FORM 2 - Corporate Substantial Shareholder Notice
 
Form Serial Number: CS20260616E00466 
1. Date of relevant event: 11/06/2026
(dd/mm/yyyy)
2. Date when the substantial shareholder becomes aware of the relevant event / interest in the shares (if later): 15/06/2026
(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: 510,476,909
7. Name of substantial shareholder: JPMorgan Chase & Co. 
8. Registered office: 270 Park Avenue, New York, New York, NY, 10017, 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
1205The percentage level of your interest in the shares has reduced because:
you ceased to have a security interest in the shares
2201Interest of corporation controlled by you
2201Interest of corporation controlled by you
 2,938,044 HKD 123.7000 121.5925 121.5703
3101Cash
Short position 
1502You ceased to have a short position of 1% or more in the shares, or the percentage level of your short position in such shares decreased because:
you returned the shares borrowed under a securities borrowing and lending agreement
 
2201Interest of corporation controlled by you
 
2201Interest of corporation controlled by you
 		 2,751,362           
18. Total shares immediately before the relevant event:
 Total number of sharesPercentage figure (%)
Long position63,325,23112.40
Short position17,913,1523.50
Lending Pool33,022,9766.46
19. Total shares immediately after the relevant event:
 Total number of sharesPercentage figure (%)
Long position60,387,18711.82
Short position15,161,7902.97
Lending Pool32,468,2636.36
20. Capacity in which interests disclosed in Box 19 are held:
Capacity codeNumber of shares
2101Beneficial owner
Long position15,730,343
Short position14,615,156
2102Investment manager
Long position10,726,153
Short position546,634
2106Person having a security interest in shares
Long position1,462,428
Short position0
2502Approved lending agent
Long position32,468,263
Short position0

21. Further information in respect of derivative interests:
Derivatives codeNumber of shares
4101Listed derivatives - Physically settled
Long position12,500
Short position0
4102Listed derivatives - Cash settled
Long position0
Short position11,000
4105Unlisted derivatives - Physically settled
Long position394,198
Short position748,709
4106Unlisted derivatives - Cash settled
Long position5,385,198
Short position2,640,865
4103Listed derivatives - Convertible instruments
Long position4,323,726
Short position0
22. Further information in relation to interests of corporations controlled by substantial shareholder:
Name of controlled corporationAddress and place of incorporationName of controlling person% controlDirect interest (Y/N)Number of shares
JPMorgan Asset Management (China) Company Limited42F&43F 479 Lujiazui Ring Road China (Shanghai) Pilot Free Trade Zone Shanghai 200120 ChinaJPMorgan Asset Management Holdings Inc.100.00Y
Long position263,400
Short position0
JPMorgan Asset Management (Taiwan) Limited20F & 21, No.1 Song Zhi Rd, Xin Yi District, Taipei City, Taiwan. Taipei 110 Taiwan (Province of China)JPMorgan Asset Management (Asia) Inc.100.00Y
Long position3,000
Short position0
J.P. Morgan SETaunusTurm Taunustor 1 Frankfurt am Main Frankfurt 60310 GermanyJ.P. Morgan International Finance Limited100.00Y
Long position8,800
Short position0
J.P. Morgan Securities LLC270 Park Avenue New York NY 10017 United StatesJ.P. Morgan Broker-Dealer Holdings Inc.100.00Y
Long position5,986,850
Short position5,824,745
Highbridge Capital Management, LLC390 Madison Avenue 28th Floor New York NY 10017 United StatesJPMorgan Asset Management Holdings Inc.100.00Y
Long position1,757,704
Short position546,500
JPMORGAN ASSET MANAGEMENT (UK) LIMITED60 Victoria Embankment London EC4Y0JP EnglandJPMORGAN ASSET MANAGEMENT INTERNATIONAL LIMITED100.00Y
Long position210,353
Short position29
J.P. Morgan Investment Management Inc.270 Park Avenue New York NY 10017 United StatesJPMorgan Asset Management Holdings Inc.100.00Y
Long position2,061,450
Short position4
J.P. Morgan Prime Inc.270 Park Avenue New York NY 10017 United StatesJ.P. Morgan Securities LLC100.00Y
Long position2,946
Short position2,946
JPMorgan Chase Bank, National Association1111 Polaris Parkway Columbus OH 43240 United StatesJPMorgan Chase & Co.100.00Y
Long position32,952,608
Short position0
J.P. Morgan Alternative Asset Management, Inc.270 Park Avenue New York NY 10017 United StatesJPMorgan Asset Management Holdings Inc.100.00Y
Long position0
Short position100
JPMorgan Asset Management (Asia Pacific) Limited19 & 20/F, Chater House 8 Connaught Road Central Hong Kong Hong KongJPMorgan Asset Management (Asia) Inc.100.00Y
Long position5,945,901
Short position1
J.P. MORGAN SECURITIES PLC25 Bank Street Canary Wharf London E14 5JP EnglandJ.P. MORGAN CAPITAL HOLDINGS LIMITED100.00Y
Long position11,194,175
Short position8,787,465
JPMorgan Asset Management Holdings Inc.270 Park Avenue New York NY 10017 United StatesJPMorgan Chase Holdings LLC100.00N
Long position10,241,808
Short position546,634
JPMorgan Chase Holdings LLC270 Park Avenue New York NY 10017 United StatesJPMorgan Chase & Co.100.00N
Long position16,231,604
Short position6,374,325
JPMorgan Asset Management (Asia) Inc.270 Park Avenue New York NY 10017 United StatesJPMorgan Asset Management Holdings Inc.100.00N
Long position5,948,901
Short position1
J.P. Morgan International Finance Limited270 Park Avenue New York NY 10017 United StatesJPMorgan Chase Bank, National Association100.00N
Long position11,202,975
Short position8,787,465
JPMorgan Chase Bank, National Association1111 Polaris Parkway Columbus OH 43240 United StatesJPMorgan Chase & Co.100.00N
Long position11,202,975
Short position8,787,465
J.P. Morgan Broker-Dealer Holdings Inc.4 Chase Metrotech Center 4th Floor Brooklyn NY 11245 United StatesJPMorgan Chase Holdings LLC100.00N
Long position5,989,796
Short position5,827,691
JPMORGAN ASSET MANAGEMENT INTERNATIONAL LIMITED60 Victoria Embankment London EC4Y0JP EnglandJPMorgan Asset Management Holdings Inc.100.00N
Long position210,353
Short position29
J.P. Morgan Securities LLC270 Park Avenue New York NY 10017 United StatesJ.P. Morgan Broker-Dealer Holdings Inc.100.00N
Long position2,946
Short position2,946
J.P. MORGAN CAPITAL HOLDINGS LIMITED25 Bank Street Canary Wharf London E14 5JP EnglandJ.P. Morgan International Finance Limited100.00N
Long position11,194,175
Short position8,787,465

23. Further information in relation to interests held by substantial shareholder jointly with another person:
Name of joint shareholderAddressNumber of shares
 
24. Further information from a trustee, a beneficiary of a trust, or a person who set up a discretionary trust:
Names of trustAddressStatus codeNumber of shares
  
25. Further information from a party to an agreement under Section 317 (Please see Notes for further information required):
Names of other partiesAddressNumber 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:
NamesAddressRelationship CodePercentage (%)
  
 
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: 16/06/2026
(dd/mm/yyyy)