FORM 2 - Corporate Substantial Shareholder Notice
 
Form Serial Number: CS20260626E00480 
1. Date of relevant event: 23/06/2026
(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: 01816
4. Name of listed corporation: CGN Power Co., Ltd. - H Shares 
5. Class of shares: H Shares 
6. Number of issued shares in class: 11,163,625,000
7. Name of substantial shareholder: Citigroup Inc. 
8. Registered office: 388 Greenwich Street, New York, 10013, USA
9. Principal place of business in Hong Kong: 50/F, Champion Tower, 3 Garden Road, Central, Hong Kong 
15. Exchange on which listed: NYSE
16. Name of listed parent and exchange on which parent is listed:  
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
Short position 
1502You ceased to have a short position of 1% or more in the shares, or the percentage level of your short position in such shares decreased because:
you returned the shares borrowed under a securities borrowing and lending agreement
 
2201Interest of corporation controlled by you
 
 		 11,577,988           
18. Total shares immediately before the relevant event:
 Total number of sharesPercentage figure (%)
Long position582,697,5485.21
Short position112,669,3681.00
Lending Pool467,856,0784.19
19. Total shares immediately after the relevant event:
 Total number of sharesPercentage figure (%)
Long position568,154,9305.08
Short position101,091,3800.90
Lending Pool464,884,4964.16
20. Capacity in which interests disclosed in Box 19 are held:
Capacity codeNumber of shares
2201Interest of corporation controlled by you
Long position103,270,434
Short position101,091,380
2502Approved lending agent
Long position464,884,496
Short position0

21. Further information in respect of derivative interests:
Derivatives codeNumber of shares
4101Listed derivatives - Physically settled
Long position2,040,000
Short position500,000
4105Unlisted derivatives - Physically settled
Long position0
Short position16,282,721
4106Unlisted derivatives - Cash settled
Long position32,665,000
Short position8,601,000
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
Citicorp LLC388 Greenwich Street, New York, NY 10013, USACitigroup Inc.100.00N
Long position464,884,496
Short position1,130,000
Citibank, N.A.5800 S Corporate Place, Sioux Falls, SD 57108, Lincoln, USACiticorp LLC100.00Y
Long position464,884,496
Short position1,130,000
Citigroup Global Markets Holdings Inc.388 Greenwich Street, New York, NY 10013, USACitigroup Inc.100.00N
Long position103,270,434
Short position99,961,380
Citigroup Financial Products Inc.388 Greenwich Street, New York, NY 10013, USACitigroup Global Markets Holdings Inc.100.00N
Long position103,270,434
Short position99,961,380
Citigroup Global Markets Hong Kong Limited50/F, Champion Tower, Three Garden Road, Central, Hong KongCitigroup Financial Products Inc.100.00Y
Long position2,040,000
Short position15,652,721
Citigroup Global Markets Inc.388 Greenwich Street, New York, NY 10013, USACitigroup Financial Products Inc.100.00Y
Long position341,430
Short position14,983,728
Citigroup Global Markets Holdings Bahamas LimitedCaves Corporate Centre Building No. 2, West Bay Street P.O. Box N-1576, Nassau, New Providence, BahamasCitigroup Financial Products Inc.90.00N
Long position100,439,004
Short position69,324,931
Citigroup Global Markets LimitedCitigroup Centre, Canada Square, Canary Wharf, London E14 5LB, EnglandCitigroup Global Markets Holdings Bahamas Limited100.00Y
Long position100,439,004
Short position69,324,931
Citigroup Global Markets Europe Finance LimitedCitigroup Centre, Canada Square, Canary Wharf, London, E14 5LB, EnglandCitigroup Financial Products Inc.100.00N
Long position450,000
Short position0
Citigroup Global Markets (International) Finance GmbHHardstrasse 201, Zurich CH-8005, SwitzerlandCitigroup Global Markets Europe Finance Limited100.00N
Long position450,000
Short position0
Citigroup Global Markets Switzerland Holding GmbHBaarerstrasse 14-16, Zug, 6300, SwitzerlandCitigroup Global Markets Europe Finance Limited100.00N
Long position450,000
Short position0
Citigroup Global Markets Overseas Finance Limited50/F, Champion Tower, Three Garden Road, Central, Hong KongCitigroup Global Markets Switzerland Holding GmbH48.14N
Long position450,000
Short position0
Citigroup Global Markets Overseas Finance Limited50/F, Champion Tower, Three Garden Road, Central, Hong KongCitigroup Global Markets (International) Finance GmbH51.86N
Long position450,000
Short position0
Citigroup Global Markets Hong Kong Holdings Limited50/F, Champion Tower, Three Garden Road, Central, Hong KongCitigroup Global Markets Overseas Finance Limited100.00N
Long position450,000
Short position0
Citigroup Global Markets Asia Limited50/F, Champion Tower, Three Garden Road, Central, Hong KongCitigroup Global Markets Hong Kong Holdings Limited100.00Y
Long position450,000
Short position0

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:
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: 26/06/2026
(dd/mm/yyyy)