FORM 2 - Corporate Substantial Shareholder Notice
 
Form Serial Number: CS20260922E00385 
1. Date of relevant event: 17/09/2026
(dd/mm/yyyy)
2. Date when the substantial shareholder becomes aware of the relevant event / interest in the shares (if later): 21/09/2026
(dd/mm/yyyy)
3. Stock code: 03759
4. Name of listed corporation: Pharmaron Beijing Co., Ltd. - H Shares 
5. Class of shares: H Shares 
6. Number of issued shares in class: 359,977,887
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
Short position 
1402You 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
 
2201Interest of corporation controlled by you
 
2201Interest of corporation controlled by you
 		 846,566           
18. Total shares immediately before the relevant event:
 Total number of sharesPercentage figure (%)
Long position55,619,77415.45
Short position17,684,8694.91
Lending Pool7,265,9452.01
19. Total shares immediately after the relevant event:
 Total number of sharesPercentage figure (%)
Long position55,748,59615.48
Short position18,531,4355.14
Lending Pool7,265,9452.01
20. Capacity in which interests disclosed in Box 19 are held:
Capacity codeNumber of shares
2101Beneficial owner
Long position18,370,457
Short position18,531,435
2102Investment manager
Long position12,837,800
Short position0
2106Person having a security interest in shares
Long position17,274,394
Short position0
2502Approved lending agent
Long position7,265,945
Short position0

21. Further information in respect of derivative interests:
Derivatives codeNumber of shares
4102Listed derivatives - Cash settled
Long position0
Short position7,400
4105Unlisted derivatives - Physically settled
Long position486,730
Short position973,461
4106Unlisted derivatives - Cash settled
Long position2,714,700
Short position8,603,975
4103Listed derivatives - Convertible instruments
Long position14,257,362
Short position2,521,710
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 (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 position451,700
Short position0
J.P. Morgan SETaunusTurm Taunustor 1 Frankfurt am Main Frankfurt 60310 GermanyJ.P. Morgan International Finance Limited100.00Y
Long position840,570
Short position840,570
J.P. Morgan Securities LLC270 Park Avenue New York NY 10017 United StatesJ.P. Morgan Broker-Dealer Holdings Inc.100.00Y
Long position12,552,465
Short position568,540
JPMORGAN ASSET MANAGEMENT (UK) LIMITED60 Victoria Embankment London EC4Y0JP EnglandJPMORGAN ASSET MANAGEMENT INTERNATIONAL LIMITED100.00Y
Long position280,600
Short position0
Almea 2 Segregated Portfolio Company270 Park Avenue New York NY 10017 United StatesJ.P. MORGAN MARKETS LIMITED100.00Y
Long position129,318
Short position0
J.P. Morgan Investment Management Inc.270 Park Avenue New York NY 10017 United StatesJPMorgan Asset Management Holdings Inc.100.00Y
Long position364,900
Short position0
J.P. Morgan Prime Inc.270 Park Avenue New York NY 10017 United StatesJ.P. Morgan Securities LLC100.00Y
Long position33,460
Short position33,460
JPMorgan Asset Management (Singapore) Limited88 Market Street 30-00 CapitaSpring Singapore 048948 SingaporeJPMorgan Asset Management (Asia) Inc.100.00Y
Long position2,020,000
Short position0
JPMorgan Asset Management (Japan) LimitedTokyo Building, 7-3 Marunouchi 2 Chome, Chiyoda-ku, Tokyo 100 6432 JapanJPMorgan Asset Management (Asia) Inc.100.00Y
Long position865,500
Short position0
JPMorgan Chase Bank, National Association1111 Polaris Parkway Columbus OH 43240 United StatesJPMorgan Chase & Co.100.00Y
Long position7,283,845
Short position0
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 position8,837,200
Short position0
J.P. MORGAN SECURITIES PLC25 Bank Street Canary Wharf London E14 5JP EnglandJ.P. MORGAN CAPITAL HOLDINGS LIMITED100.00Y
Long position22,089,038
Short position17,088,865
JPMorgan Asset Management (Asia) Inc.270 Park Avenue New York NY 10017 United StatesJPMorgan Asset Management Holdings Inc.100.00N
Long position12,174,400
Short position0
JPMorgan Asset Management Holdings Inc.270 Park Avenue New York NY 10017 United StatesJPMorgan Chase Holdings LLC100.00N
Long position12,819,900
Short position0
JPMorgan Chase Holdings LLC270 Park Avenue New York NY 10017 United StatesJPMorgan Chase & Co.100.00N
Long position25,535,143
Short position602,000
J.P. Morgan International Finance Limited270 Park Avenue New York NY 10017 United StatesJPMorgan Chase Bank, National Association100.00N
Long position22,929,608
Short position17,929,435
JPMorgan Chase Bank, National Association1111 Polaris Parkway Columbus OH 43240 United StatesJPMorgan Chase & Co.100.00N
Long position22,929,608
Short position17,929,435
J.P. Morgan Broker-Dealer Holdings Inc.4 Chase Metrotech Center 4th Floor Brooklyn NY 11245 United StatesJPMorgan Chase Holdings LLC100.00N
Long position12,585,925
Short position602,000
JPMORGAN ASSET MANAGEMENT INTERNATIONAL LIMITED60 Victoria Embankment London EC4Y0JP EnglandJPMorgan Asset Management Holdings Inc.100.00N
Long position280,600
Short position0
J.P. MORGAN MARKETS LIMITED25 Bank Street Canary Wharf London E14 5JP EnglandJ.P. MORGAN FINANCIAL INVESTMENTS LIMITED100.00N
Long position129,318
Short position0
J.P. MORGAN FINANCIAL INVESTMENTS LIMITED25 Bank Street Canary Wharf London E14 5JP EnglandJPMorgan Chase Holdings LLC100.00N
Long position129,318
Short position0
J.P. Morgan Securities LLC270 Park Avenue New York NY 10017 United StatesJ.P. Morgan Broker-Dealer Holdings Inc.100.00N
Long position33,460
Short position33,460
J.P. MORGAN CAPITAL HOLDINGS LIMITED25 Bank Street Canary Wharf London E14 5JP EnglandJ.P. Morgan International Finance Limited100.00N
Long position22,089,038
Short position17,088,865

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: 22/09/2026
(dd/mm/yyyy)