FORM 1 - Individual Substantial Shareholder Notice
 
Form Serial Number: IS20260914E00495
1. Date of relevant event: 01/09/2026
(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: 09888
4. Name of listed corporation: Baidu, Inc. - W 
5. Class of shares: Others 
6. Number of issued shares in class: 524,020,320
7. Name of substantial shareholder (English) as printed on HKID Card/Passport:
(Surname) Ma
(Other names) Melissa
10. Name of substantial shareholder (Chinese):  
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 
1701Miscellaneous
On listing of the corporation or a class of shares of the listed corporation
 
 
2501Other (you must describe the capacity in the Supplementary Information box)
 
523,920,000         
 
Short position 
 
 
 
           
15. Total shares immediately before the relevant event:
 Total number of sharesPercentage figure (%)
   
 
16. Total shares immediately after the relevant event:
 Total number of sharesPercentage figure (%)
Long position523,920,00099.98
 
17. Capacity in which interests disclosed in Box 16 are held:
Capacity codeNumber of shares
2101Beneficial owner
Long position84,720,000
2202Interest of your spouse
Long position439,200,000
 
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
SpouseYanhong Li
Long position439,200,000
 
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
   
 
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
  
 
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: The voluntary conversion of Baidu, Inc. to dual-primary listing on the Main Board of The Stock Exchange of Hong Kong Limited became effective on 1 September 2026. The class of shares concerned is Class B ordinary shares ("shares"). Ms. Melissa Ma is interested in 84,720,000 shares directly held by herself and is deemed to be interested in 439,200,000 shares held by Handsome Reward Limited, a company wholly owned and controlled by her spouse, Mr. Yanhong Li.
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: 14/09/2026
(dd/mm/yyyy)