FORM 2 - Corporate Substantial Shareholder Notice
 
Form Serial Number: CS20260902E00388 
1. Date of relevant event: 28/08/2026
(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: 01989
4. Name of listed corporation: Delton Technology (Guangzhou) Inc. - H Shares 
5. Class of shares: H Shares 
6. Number of issued shares in class: 46,000,000
7. Name of substantial shareholder: UBS Group AG 
8. Registered office: BAHNHOFSTRASSE 45 8001 ZURICH SWITZERLAND
9. Principal place of business in Hong Kong: 52/F TWO INTERNATIONAL FINANCE CENTRE, 8 FINANCE STREET, CENTRAL, HONG KONG 
15. Exchange on which listed: SIX Swiss Exchange AG
16. Name of listed parent and exchange on which parent is listed:  
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
1201The percentage level of your interest in the shares has reduced because:
you completed a sale of the shares
2201Interest of corporation controlled by you
88,500 HKD 129.2799 128.3172
Short position 
 
 
 		            
18. Total shares immediately before the relevant event:
 Total number of sharesPercentage figure (%)
Long position5,533,09912.03
19. Total shares immediately after the relevant event:
 Total number of sharesPercentage figure (%)
Long position5,444,59911.84
20. Capacity in which interests disclosed in Box 19 are held:
Capacity codeNumber of shares
2201Interest of corporation controlled by you
Long position5,444,599

21. Further information in respect of derivative interests:
Derivatives codeNumber of shares
4106Unlisted derivatives - Cash settled
Long position13,000
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
UBS Asset Management (Hong Kong) Ltd45, 47-52 Floors Two International Finance Centre 8 Finance Street Central, Hong Kong, 000000UBS Group AG100.00Y
Long position241,600
UBS Asset Management (Europe) S.A.33A avenue J.F. Kennedy, Luxembourg, 1855UBS Group AG100.00Y
Long position1,629,144
UBS Asset Management (UK) Limited5 Broadgate, London, United Kingdom, EC2M 2QSUBS Group AG100.00Y
Long position124,500
UBS AGBahnhofstrasse 45, Zürich, Switzerland, 8001UBS Group AG100.00Y
Long position2,665,799
UBS Switzerland AGBahnhofstrasse 45, Zürich, Switzerland, 8001UBS Group AG100.00Y
Long position772,856
UBS Fund Management (Switzerland) AGAeschenvorstadt 1 ,Basel ,Switzerland ,4051UBS Group AG100.00Y
Long position10,700

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: 02/09/2026
(dd/mm/yyyy)