FORM 1 - Individual Substantial Shareholder Notice
 
Form Serial Number: IS20260618E00024
1. Date of relevant event: 15/06/2026
(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: 01417
4. Name of listed corporation: Riverine China Holdings Ltd. 
5. Class of shares: Ordinary Shares 
6. Number of issued shares in class: 405,000,000
7. Name of substantial shareholder (English) as printed on HKID Card/Passport:
(Surname) SUN
(Other names) Taoyong
10. Name of substantial shareholder (Chinese): 孙涛勇 
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 
1001You first acquire a notifiable interest because:
you purchased the shares
 
 
2307Founder of a discretionary trust who can influence how the trustee exercises his discretion
 
222,890,000  HKD      0.5190 
3101Cash
 
Short position 
 
 
 
           
15. Total shares immediately before the relevant event:
 Total number of sharesPercentage figure (%)
Long position00.00
 
16. Total shares immediately after the relevant event:
 Total number of sharesPercentage figure (%)
Long position222,890,00055.03
 
17. Capacity in which interests disclosed in Box 16 are held:
Capacity codeNumber of shares
2307Founder of a discretionary trust who can influence how the trustee exercises his discretion
Long position222,890,000
 
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
 
 
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
Youmi Investment LimitedRitter House, Wickhams Cay II, Road Town, Tortola VG1110, British Virgin IslandsSun Taoyong100.00N
Long position222,890,000
Yomi.sun Holding LimitedKingston Chambers PO Box 173 Road Town Tortola, British Virgin IslandsYoumi Investment Limited100.00Y
Long position222,890,000
 
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
Youmi TrustAddresses of individuals are not displayed.
5103Founder of a discretionary trust who can influence how the trustee exercises his discretion
Long position222,890,000
 
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: Yomi.sun Holding Limited entered into a sale and purchase agreement dated 15 June 2026, pursuant to which Yomi.sun Holding Limited purchased 222,890,000 shares of Riverine China Holdings Limited from Partner Summit Holdings Limited. Yomi.sun Holding Limited is wholly-owned by Youmi Investment Limited. Youmi Investment Limited is beneficially owned by the Youmi Trust, which was established by Mr.Sun Taoyong as the settlor and appointor.
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: 18/06/2026
(dd/mm/yyyy)