FORM 2 - Corporate Substantial Shareholder Notice
 
Form Serial Number: CS20260811E00420 
1. Date of relevant event: 06/08/2026
(dd/mm/yyyy)
2. Date when the substantial shareholder becomes aware of the relevant event / interest in the shares (if later): 10/08/2026
(dd/mm/yyyy)
3. Stock code: 03323
4. Name of listed corporation: China National Building Material Co. Ltd. - H Shares 
5. Class of shares: H Shares 
6. Number of issued shares in class: 3,716,397,196
7. Name of substantial shareholder: JPMorgan Chase & Co. 
8. Registered office: 270 Park Avenue, New York, New York, NY, 10017, United States
9. Principal place of business in Hong Kong: N/A 
15. Exchange on which listed: New York Stock Exchange
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
1004You first acquire a notifiable interest because:
you acquired a security interest in the shares
2201Interest of corporation controlled by you
2201Interest of corporation controlled by you
 11,135,250 HKD 4.0750 4.0380 4.0338
3101Cash
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)
 
2201Interest of corporation controlled by you
 
2201Interest of corporation controlled by you
 		 5,492,882           
18. Total shares immediately before the relevant event:
 Total number of sharesPercentage figure (%)
Long position177,522,1134.77
Short position113,806,7533.06
Lending Pool60,979,2781.64
19. Total shares immediately after the relevant event:
 Total number of sharesPercentage figure (%)
Long position188,657,3635.07
Short position119,299,6353.21
Lending Pool60,993,2781.64
20. Capacity in which interests disclosed in Box 19 are held:
Capacity codeNumber of shares
2101Beneficial owner
Long position123,547,372
Short position119,131,635
2102Investment manager
Long position1,257,913
Short position168,000
2106Person having a security interest in shares
Long position2,858,800
Short position0
2502Approved lending agent
Long position60,993,278
Short position0

21. Further information in respect of derivative interests:
Derivatives codeNumber of shares
4101Listed derivatives - Physically settled
Long position5,786,000
Short position0
4102Listed derivatives - Cash settled
Long position214,000
Short position12,088,000
4105Unlisted derivatives - Physically settled
Long position889,545
Short position2,600,954
4106Unlisted derivatives - Cash settled
Long position85,702,816
Short position7,305,000
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
JPMorgan Asset Management (Taiwan) Limited20F & 21, No.1 Song Zhi Rd, Xin Yi District, Taipei City, Taiwan. Taipei 110 Taiwan (Province of China)JPMorgan Asset Management (Asia) Inc.100.00Y
Long position254,000
Short position0
J.P. Morgan Securities LLC270 Park Avenue New York NY 10017 United StatesJ.P. Morgan Broker-Dealer Holdings Inc.100.00Y
Long position24,114,800
Short position24,012,000
J.P. Morgan Investment Management Inc.270 Park Avenue New York NY 10017 United StatesJPMorgan Asset Management Holdings Inc.100.00Y
Long position331,913
Short position0
J.P. Morgan Prime Inc.270 Park Avenue New York NY 10017 United StatesJ.P. Morgan Securities LLC100.00Y
Long position5,253,716
Short position5,253,716
JPMorgan Chase Bank, National Association1111 Polaris Parkway Columbus OH 43240 United StatesJPMorgan Chase & Co.100.00Y
Long position61,665,278
Short position0
J.P. Morgan Alternative Asset Management, Inc.270 Park Avenue New York NY 10017 United StatesJPMorgan Asset Management Holdings Inc.100.00Y
Long position0
Short position168,000
J.P. MORGAN SECURITIES PLC25 Bank Street Canary Wharf London E14 5JP EnglandJ.P. MORGAN CAPITAL HOLDINGS LIMITED100.00Y
Long position97,037,656
Short position89,865,919
JPMorgan Asset Management (Asia) Inc.270 Park Avenue New York NY 10017 United StatesJPMorgan Asset Management Holdings Inc.100.00N
Long position254,000
Short position0
JPMorgan Asset Management Holdings Inc.270 Park Avenue New York NY 10017 United StatesJPMorgan Chase Holdings LLC100.00N
Long position585,913
Short position168,000
JPMorgan Chase Holdings LLC270 Park Avenue New York NY 10017 United StatesJPMorgan Chase & Co.100.00N
Long position29,954,429
Short position29,433,716
J.P. Morgan Broker-Dealer Holdings Inc.4 Chase Metrotech Center 4th Floor Brooklyn NY 11245 United StatesJPMorgan Chase Holdings LLC100.00N
Long position29,368,516
Short position29,265,716
J.P. Morgan Securities LLC270 Park Avenue New York NY 10017 United StatesJ.P. Morgan Broker-Dealer Holdings Inc.100.00N
Long position5,253,716
Short position5,253,716
J.P. MORGAN CAPITAL HOLDINGS LIMITED25 Bank Street Canary Wharf London E14 5JP EnglandJ.P. Morgan International Finance Limited100.00N
Long position97,037,656
Short position89,865,919
J.P. Morgan International Finance Limited270 Park Avenue New York NY 10017 United StatesJPMorgan Chase Bank, National Association100.00N
Long position97,037,656
Short position89,865,919
JPMorgan Chase Bank, National Association1111 Polaris Parkway Columbus OH 43240 United StatesJPMorgan Chase & Co.100.00N
Long position97,037,656
Short position89,865,919

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: JP Morgan Chase & Co. 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.
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: 11/08/2026
(dd/mm/yyyy)