FORM 2 - Corporate Substantial Shareholder Notice
 
Form Serial Number: CS20260716E00002 
1. Date of relevant event: 13/07/2026
(dd/mm/yyyy)
2. Date when the substantial shareholder becomes aware of the relevant event / interest in the shares (if later): 13/07/2026
(dd/mm/yyyy)
3. Stock code: 09903
4. Name of listed corporation: Shanghai Iluvatar CoreX Semiconductor Co., Ltd. 
5. Class of shares: H Shares 
6. Number of issued shares in class: 259,958,965
7. Name of substantial shareholder: Fujian Centurium Phase I Investment Partnership (Limited Partnership) 
8. Registered office: Room 101, Building 8, No. 31 North Wenxin Street, Wenwusha Sub-district, Changle District, Fuzhou City, Fujian Province, PRC
9. Principal place of business in Hong Kong: N/A 
15. Exchange on which listed: N/A
16. Name of listed parent and exchange on which parent is listed: N/A 
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
1213The percentage level of your interest in the shares has reduced because:
any other event (you must briefly describe the relevant event in the Supplementary Information box)
2101Beneficial owner
18,269,383
Short position 
 
 
 
           
18. Total shares immediately before the relevant event:
 Total number of sharesPercentage figure (%)
Long position43,672,69617.82
19. Total shares immediately after the relevant event:
 Total number of sharesPercentage figure (%)
Long position43,672,69616.80
20. Capacity in which interests disclosed in Box 19 are held:
Capacity codeNumber of shares
2201Interest of corporation controlled by you
Long position25,403,313
2101Beneficial owner
Long position18,269,383

21. Further information in respect of derivative interests:
Derivatives codeNumber of shares
  
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
Nanjing Youxu Equity Investment Partnership (Limited Partnership)Unit 103-36, Building A, Innovation Service Center, No. 001 Huxin Road, Modern Agricultural Industrial Park, Gaochun District, Nanjing City, Jiangsu Province, PRCFujian Centurium Phase I Investment Partnership (Limited Partnership)100.00Y
Long position16,503,313
Shanghai Qiongyu Business Consulting Partnership (Limited Partnership)Room A1-6221, No. 58 Fuminzhi Road, Hengsha Town, Chongming District, Shanghai, (Shangang Hengtai Economic Development Zone), PRCFujian Centurium Phase I Investment Partnership (Limited Partnership)71.45Y
Long position8,900,000

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: Percentage level of interest decreased as a result of the allotment and issuance of 14,857,000 new H Shares by the listed corporation pursuant to its general mandate. No shares were disposed of by the substantial shareholder.
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: 16/07/2026
(dd/mm/yyyy)