FORM 3A - Director/Chief Executive Notice - Interests in Shares of Listed Corporation
 
Form Serial Number: DA20260924E00122
1. Date of relevant event: 08/09/2026
(dd/mm/yyyy)
2. Date when director became aware of the relevant event/ interest in the shares (if later): 22/09/2026
(dd/mm/yyyy)
3. Stock code: 01355
4. Name of listed corporation: Biosysen Ltd. 
5. Class of shares: Ordinary Shares 
6. Number of issued shares in class: 1,789,597,740
7. Name of director (English) as printed on HKID Card/Passport:
(Surname) Cheung
(Other names) Ching Mo
10. Name of director (Chinese): 張政武 
11. Chinese Character Code as printed on HKID Card: 172823982976
 
24. 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) Consideration code
Long position 
1113The number of shares in which you are interested has increased because:
any other event (you must briefly describe the relevant event in the Supplementary Information box)
 
 
2201Interest of corporation controlled by you
 
65,016,254         
 
Short position 
 
 
 
           
 
25. Total shares in listed corporation immediately before the relevant event:
 Total number of sharesPercentage figure (%)
Long position841,474,17539.84
 
26. Total shares in listed corporation immediately after the relevant event:
 Total number of sharesPercentage figure (%)
Long position906,490,42941.63
 
27. Capacity in which interests disclosed in Box 26 are held:
Code describing capacityNumber of shares
2201Interest of corporation controlled by you
Long position906,490,429
 
28. Further information in derivative interests in listed corporation :
Derivatives code Exercise period (dd/mm/yyyy) Consideration - if derivatives granted by listed corporation Number of shares
  BeginsEndsCurrencyPrice for grantCurrencyExercise priceCurrencyPrice on assignment 
Long position
4107Unlisted derivatives - Convertible instruments
05/08/202604/08/2031HKD50,000,000HKD0.129  387,596,899
 
29. Further information in relation to interests of children under 18 and/or spouse:
Child/SpouseName of child/spouseNumber of shares
 
 
30. Further information in relation to interests of corporations controlled by Director:
Name of controlled corporationAddress and place of incorporationName of controlling person% controlDirect interest (Y/N)Number of shares
China Regenerative Medicine Tissue Engineering LimitedIntershore Chambers P.O. Box 4342, Road Toen, Tortola, British Virgin IslandsCheung Ching Mo100.00N
Long position906,490,429
Osibao Cosmetics Holding LimitedIntershore Chambers P.O. Box 4342, Road Toen, Tortola, British Virgin IslandsChina Regenerative Medicine Tissue Engineering Limited100.00N
Long position906,490,429
Osibao Cosmetics International LimitedRoom 1201-2, Jubilee Centre, 18 Fenwick Street, Wan Chai, Hong KongOsibao Cosmetics Holding Limited100.00Y
Long position906,490,429
 
31. Further information in relation to interests held by Director jointly with another person:
Name of joint shareholderAddressNumber of shares
 
 
32. Further information from a director who is a trustee, or beneficiary of a trust, or a person who has set up a Discretionary Trust:
Names of TrustAddressStatus codeNumber of shares
  
 
33. 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 director is interested under sections 317 and 318
 
34. Supplementary information: As per the announcement of Biosysen Limited on 22 September 2026, the Rights Issue completed on 8 September 2026 was an adjustment event and, under the terms and conditions of the Convertible Bonds, there was an adjustment of the conversion price from HK$0.155 to HK$0.129 with retrospective effect from 4 August 2026, and as a result, there was an increase of 65,016,254 Conversion Shares under the Convertible Bonds.
35. Log/Serial Number of the previous form:
36. Number of concert party document(s) under section 317 attached/uploaded:
Date of filing this Form 3A: 24/09/2026
(dd/mm/yyyy)