FORM 2 - Corporate Substantial Shareholder Notice
 
Form Serial Number: CS20260914E00046 
1. Date of relevant event: 08/09/2026
(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: 09976
4. Name of listed corporation: Shenzhen Longsys Electronics Co., Ltd. - H Shares 
5. Class of shares: H Shares 
6. Number of issued shares in class: 29,989,450
7. Name of substantial shareholder: CLSA Limited 
8. Registered office: 18/F, One Pacific Place, 88 Queensway, Hong Kong
9. Principal place of business in Hong Kong: 18/F One Pacific Place, 88 Queensway, Hong Kong 
15. Exchange on which listed:
16. Name of listed parent and exchange on which parent is listed: CITIC Securities Company Limited (SEHK and Shanghai Stock Exchange) 
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
1701Miscellaneous
On listing of the corporation or a class of shares of the listed corporation
2101Beneficial owner
7,123,540
Short position 
1403You came to have a short position of 1% or more in the shares, or the percentage level of your short position in such shares increased because:
any other event (you must briefly describe the relevant event in the Supplementary Information box)
 
 
2101Beneficial owner
 
4,498,400           
18. Total shares immediately before the relevant event:
 Total number of sharesPercentage figure (%)
Long position00.00
Short position00.00
19. Total shares immediately after the relevant event:
 Total number of sharesPercentage figure (%)
Long position7,123,54023.75
Short position4,498,40015.00
20. Capacity in which interests disclosed in Box 19 are held:
Capacity codeNumber of shares
2101Beneficial owner
Long position7,123,540
Short position4,498,400

21. Further information in respect of derivative interests:
Derivatives codeNumber of shares
4105Unlisted derivatives - Physically settled
Long position2,699,040
Short position4,498,400
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
   

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: CLSA Limited as International Underwriter and Stabilization Manager for the listing of 9976.HK has been granted portion of OAO equivalent to 2,699,040 shares of 9976.HK and acquired 4,424,500 shares via stabilization trades on 8 Sep 2026. Short position increased as CLSA Limited has entered into deferred settlement arrangement with investors to deliver 4,498,400 shares.
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: 14/09/2026
(dd/mm/yyyy)