CGN Power Co., Ltd. — Proxy Solicitation & Information Statement 2026

Apr 20, 2026

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CGN Power Co., Ltd.* 中國廣核電力股份有限公司

(A joint stock company incorporated in the People’s Republic of China with limited liability)

(Stock Code: 1816)

FORM OF PROXY FOR THE 2026 FIRST H SHAREHOLDERS’ CLASS MEETING TO BE HELD ON WEDNESDAY, MAY 20, 2026

Number of H Shares in respect of the form of proxy

I/We[(Note][1)] (Chinese and English name): of

being the registered holder(s) of (Note 2) H Shares of RMB1.00 each in the share capital of CGN Power Co., Ltd. (the “ Company ”) HEREBY APPOINT THE CHAIRMAN OF THE MEETING[(Note] 3) or of as my/our proxy to attend and act for me/us at the 2026 first H shareholders’ class meeting of the Company (the “ H Shareholders’ Class Meeting* ”) and any adjourned meeting thereof to be held at 3:30 p.m. on Wednesday, May 20, 2026 at South Tower, CGN Building, No. 2002 Shennan Road, Shenzhen, Guangdong Province, the PRC, for the purposes of considering and, if thought fit, passing the resolution[(Note][4)] as set out in the notice convening the H Shareholders’ Class Meeting and to vote for me/us and in my/our name(s) in respect of the resolution as indicated below at the H Shareholders’ Class Meeting and any adjourned meeting thereof. Unless otherwise stated, capitalised terms used herein and the following resolution shall have the same meanings as those defined in the circular of the Annual General Meeting of the Company dated April 20, 2026.

		Special Resolution(Note 4) For(Note 5) Against(Note 5) Abstain(Note 5) To consider and approve the grant of the general mandate to the Board of Directors for Repurchasing A Shares and/or H Shares of the Company during the Relevant Period Signature(s)(Note 6):
	1.	To consider and approve the grant of the general mandate to the Board of Directors for Repurchasing A Shares and/or H Shares of the Company during the Relevant Period
	Date: Notes:	Signature(s)(Note 6):

1. Full name(s) (in Chinese and English, as shown in the register of members) and registered address(es) to be inserted in BLOCK CAPITALS .

2. Please insert the type and number of Shares registered in the name(s) to which this form of proxy relates. If no number is inserted, this form of proxy will be deemed to relate to all Shares of the Company registered in your name(s).

3. If any proxy other than the chairman of the meeting is appointed, please strike out the words “ THE CHAIRMAN OF THE MEETING or ” and insert the name and address of the proxy desired in the space provided. A Shareholder may appoint one or more proxies to attend and vote on his behalf. If a Shareholder appoints more than one proxy, his proxies may only exercise voting rights in a poll. ANY ALTERATION MADE TO THIS FORM OF PROXY MUST BE INITIALLED BY THE PERSON WHO SIGNS IT .

4. The full text of the resolution is set out in the circular for the Annual General Meeting dated April 20, 2026. Any Shareholder who wishes to appoint a proxy shall refer to the content of such circular of Annual General Meeting first.

5. IMPORTANT: IF YOU WISH TO VOTE FOR THE RESOLUTION, PLEASE TICK THE BOX MARKED “FOR” BESIDE THE APPROPRIATE RESOLUTION. IF YOU WISH TO VOTE AGAINST THE RESOLUTION, PLEASE TICK THE BOX MARKED “AGAINST” BESIDE THE APPROPRIATE RESOLUTION. IF YOU WISH TO ABSTAIN FROM VOTING ON ANY RESOLUTION, PLEASE TICK THE BOX MARKED “ABSTAIN” BESIDE THE APPROPRIATE RESOLUTION. IN COUNTING THE VOTING RESULTS FOR A RESOLUTION, ABSTAINED VOTES WILL BE REGARDED AS VOTES WITH VOTING RIGHTS. If no direction is given, your proxy may vote or abstain at his discretion. Your proxy will also be entitled to vote at his discretion on any resolution properly put to the H Shareholders’ Class Meeting other than those referred to in the notice convening the H Shareholders’ Class Meeting.

6. This form of proxy must be signed by you or your attorney duly authorized in writing. In the case of a corporation, this form of proxy must be either under its common seal or under the hand of its director(s) or duly authorized attorney(s). If this form of proxy is signed by an attorney of the Shareholder, the power of attorney authorizing that attorney to sign or other authorization document must be notarized.

7. This form of proxy together with any power of attorney or other authorization document (if any) under which it is signed or a notarized copy of that power of attorney or authorization document must be lodged with the Company’s H share registrar, Computershare Hong Kong Investor Services Limited at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wan Chai, Hong Kong, no later than 24 hours before the time appointed for holding the H Shareholders’ Class Meeting or any adjournment thereof. Completion and return of the form of proxy will not preclude you from attending and voting in person at the H Shareholders’ Class Meeting if you so wish. In such event, your form of proxy will be deemed to have been revoked.

8. H Shareholders or their proxies attending the H Shareholders’ Class Meeting shall present their identity documents.

9. A proxy need not be a Shareholder of the Company but must attend the H Shareholders’ Class Meeting in person to represent the H Shareholder.

10. In the case of joint registered holders of any H Shares, any one of such joint registered holders may vote at the H Shareholders’ Class Meeting, either in person or by proxy, in respect of such H Shares as if he/she/it were solely entitled thereto; but should more than one of such joint registered holders be present at the H Shareholders’ Class Meeting, either in person or by proxy, the vote of that one of them so present, whose name stands first on the register of members of the Company in respect of such H Shares shall be accepted to the exclusion of the votes of the other joint registered holder(s).

11. For identification purpose only