Hong Kong Exchanges and Clearing Limited

Form 4 - Listed Corporation Notice - Findings Of Investigation Report

Form Serial Number:

IR20260514E00093
(Superseded by IR20260519E00432)

1. Date specified in the s.329 notice for determining interests or short position in shares to be disclosed ("Specified Date"):

20/04/2026
(dd/mm/yyyy)

2. Stock code of listed corporation:

09898

3. Name of listed corporation filing this s.330/333 notice:

Weibo Corporation - SW

4. Class of shares of listed corporation specified in the s.329 notice:

Ordinary

5. Threshold shareholding set in the s.329 notice for disclosure obligation (if any):

(i) PERSONS INTERESTED IN SHARES OR HAVING SHORT POSITION IN SHARES ON THE SPECIFIED DATE (EXCLUDING DERIVATIVE INTERESTS)

11. Information provided in response to the s.329 notice concerning persons interested in shares on the Specified Date (excluding derivative interests):

Name	Total number of shares (long position)	Name of person interested in shares
MERRILL LYNCH FAR EAST LTD	171,639	Shares held on behalf of individual investors
Morgan Stanley and Company International PLC	139,520	Shares held on behalf of individual investors
Morgan Stanley and Company	158,982	Shares held on behalf of individual investors
Morgan Stanley Asia Limited	25,020	Shares held on behalf of individual investors
Morgan Stanley Hong Kong Securities Limited	541,111	Shares held on behalf of individual investors
SCB Wealth Management	86,940	Shares held on behalf of individual investors
STANDARD CHARTERED BANK (HONG KONG) LTD	436,964,144	Shares held on behalf of individual investors
State Street Bank	2,604,939	Shares held on behalf of individual investors
The HSBC Ltd	48,277,157	Shares held on behalf of individual investors
-	0	-

12. Information provided in response to the s.329 notice concerning persons having short position in shares on the Specified Date (excluding derivative interests):

Name	Total number of shares (short position)	Name of person having short position in shares
Morgan Stanley and Company International PLC	87,516	Shares held on behalf of individual investors
-	0	-
-	0	-
-	0	-
-	0	-
-	0	-
-	0	-
-	0	-
-	0	-
-	0	-

(ii) PERSONS INTERESTED IN SHARES ON THE SPECIFIED DATE (DERIVATIVE INTERESTS ONLY)

13. Information provided in response to the s.329 notice concerning persons interested in shares which are the underlying shares of equity derivatives on the Specified Date:

Name	Total number of shares		Name of person interested in shares
	Long position	Short position

-	0	0	-
-	0	0	-
-	0	0	-
-	0	0	-
-	0	0	-
-	0	0	-
-	0	0	-
-	0	0	-
-	0	0	-
-	0	0	-

(iii) PERSONS ACTING IN CONCERT OR SUBJECT TO AN AGREEMENT RELATING TO THE EXERCISE OF RIGHTS UNDER SHARES

14. Information of parties to an agreement to which section 317 of the SFO applies, or any agreement relating to the exercise of the rights in respect of shares, on the Specified Date:

Name of parties	Total number of shares (excluding derivative interests)		Total number of shares (derivative interests only)		Name of person interested in shares
	Long position	Short position	Long position	Short position

15. Supplementary information:

16. Log/Serial Number of the previous form:

17. Number of investigation report(s) attached/uploaded:

18. Number of concert party document(s) under section 317 attached/uploaded: