FORM 1 - Individual Substantial Shareholder Notice
 
Form Serial Number: IS20260625E00330
1. Date of relevant event: 22/06/2026
(dd/mm/yyyy)
2. Date when the substantial shareholder becomes aware of the relevant event / interest in the shares (if later):
(dd/mm/yyyy)
3. Stock code: 01548
4. Name of listed corporation: 金斯瑞生物科技股份有限公司 
5. Class of shares: Ordinary Shares 
6. Number of issued shares in class: 2,188,527,343
7. Name of substantial shareholder (English) as printed on HKID Card/Passport:
(Surname) JIN
(Other names) WEIHONG
10. Name of substantial shareholder (Chinese): 金伟红 
11. Chinese Character Code as printed on HKID Card:
 
14. 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 
1316There has been a change in nature of your interest in the shares because:
any other event (you must briefly describe the relevant event in the Supplementary Information box)
 
2301Trustee
 
2101Beneficial owner
 		 19,213,365         
 
Short position 
 
 
 		            
15. Total shares immediately before the relevant event:
 Total number of sharesPercentage figure (%)
Long position801,789,83536.64
 
16. Total shares immediately after the relevant event:
 Total number of sharesPercentage figure (%)
Long position801,789,83536.64
 
17. Capacity in which interests disclosed in Box 16 are held:
Capacity codeNumber of shares
2201Interest of corporation controlled by you
Long position799,999,123
2401A concert party to an agreement to buy shares described in s.317(1)(a)
Long position801,789,835
2301Trustee
Long position191,319,570
 
18. Further information in respect of derivative interests:
Derivatives codeNumber of shares
  
 
19. Further information in relation to interests of children under 18 and/or spouse:
Child/SpouseName of child/spouseNumber of shares
SpouseZhang Fangliang
Long position801,789,835
 
20. Further information in relation to interests of corporations controlled by substantial shareholder:
Name of controlled corporationAddress and place of incorporationName of controlling shareholder% controlDirect interest (Y/N)Number of shares
GenScript CorporationSuite 606, 1220 N. Market Street, Wilmington, DE 19801, County of New Castle, USAZhang Fangliang11.36Y
Long position799,999,123
GenScript CorporationSuite 606, 1220 N. Market Street, Wilmington, DE 19801, County of New Castle, USAWang Luquan22.76Y
Long position799,999,123
GenScript CorporationSuite 606, 1220 N. Market Street, Wilmington, DE 19801, County of New Castle, USAWang Ye4.15Y
Long position799,999,123
GenScript CorporationSuite 606, 1220 N. Market Street, Wilmington, DE 19801, County of New Castle, USAZhang Fangliang19.70Y
Long position799,999,123
GenScript CorporationSuite 606, 1220 N. Market Street, Wilmington, DE 19801, County of New Castle, USAWang Ye8.06Y
Long position799,999,123
 
21. Further information in relation to interests held by substantial shareholder jointly with another person:
Name of joint shareholderAddressNumber of shares
 
 
22. Further information from a trustee, a beneficiary of a trust, or a person who has set up a discretionary trust:
Names of trustAddressStatus codeNumber of shares
2017 FANG LIANG ZHANG TRUSTAddresses of individuals are not displayed.
5101Trustee of a trust
Long position157,638,546
Weihong Jin 2024 Grantor Retained Annuity Trust IIAddresses of individuals are not displayed.
5101Trustee of a trust
Long position26,254,325
Weihong Jin 2025 Grantor Retained Annuity TrustAddresses of individuals are not displayed.
5101Trustee of a trust
Long position7,426,699
 
23. 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
 
24. Supplementary information: On 22 June 2026, Weihong Jin 2025 Grantor Retained Annuity Trust, of whih Jin Weihong is the trustee, transferred 10,818,310 shares of GenScript Corporation underlying 19,213,365 shares of Genscript Biotech Corporation to Jin Weihong. There is no change in the number of shares held by GenScript Corporation in Genscript Biotech Corporation.
25. Log/Serial Number of the previous form:
26. Number of concert party document(s) under section 317 attached/uploaded:
Date of filing this Form 1: 25/06/2026
(dd/mm/yyyy)