FORM 2 - Corporate Substantial Shareholder Notice
 
Form Serial Number: CS20260721E00564 
1. Date of relevant event: 16/07/2026
(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: 06809
4. Name of listed corporation: Montage Technology Co., Ltd. - H Shares 
5. Class of shares: H Shares 
6. Number of issued shares in class: 75,773,500
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
1113The percentage level of your interest in the shares has increased because:
any other event (you must briefly describe the relevant event in the Supplementary Information box)
2201Interest of corporation controlled by you
526,600
Short position 
 
 
 
           
18. Total shares immediately before the relevant event:
 Total number of sharesPercentage figure (%)
Long position5,595,7227.38
19. Total shares immediately after the relevant event:
 Total number of sharesPercentage figure (%)
Long position6,122,3228.08
20. Capacity in which interests disclosed in Box 19 are held:
Capacity codeNumber of shares
2201Interest of corporation controlled by you
Long position6,122,322

21. Further information in respect of derivative interests:
Derivatives codeNumber of shares
4105Unlisted derivatives - Physically settled
Long position91,160
Short position0
4106Unlisted derivatives - Cash settled
Long position49,800
Short position0
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 ,Hong Kong ,000000UBS Group AG100.00Y
Long position329,300
UBS Switzerland AGBahnhofstrasse 45, Zürich, Switzerland, 8001UBS Group AG100.00Y
Long position4,037,681
UBS Asset Management (Europe) S.A.33A avenue J.F. Kennedy ,Luxembourg ,1855UBS Group AG100.00Y
Long position343,128
UBS Asset Management (UK) Limited5 Broadgate ,London ,United Kingdom ,EC2M 2QSUBS Group AG100.00Y
Long position110,600
UBS AGBahnhofstrasse 45,Zurich ,Switzerland ,8001UBS Group AG100.00Y
Long position1,113,983
UBS Europe SEBockenheimer Landstrasse 2-4 OpernTurm, Frankfurt am Main Germany, 60306UBS Group AG100.00Y
Long position185,690
UBS Trustees (Cayman) LimitedCayman Corporate Centre,27 Hospital Road,George Town,Grand Cayman,Cayman Islands,KYI-1106UBS Group AG100.00Y
Long position300
UBS (Monaco) S.A.2 Avenue de Grande-Bretagne,Monte Carlo,Monaco,98000UBS Group AG100.00Y
Long position1,640

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: UBS acquired shares under PB agreement.
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: 21/07/2026
(dd/mm/yyyy)