CGN Power Co., Ltd. — AGM Information 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)

REPLY SLIP FOR FOR THE 2025 ANNUAL GENERAL MEETING TO BE HELD ON WEDNESDAY, MAY 20, 2026

To: CGN Power Co., Ltd.* (the “ Company ”)

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

(English name): of

being the registered holder(s) of

(Note 2)

H shares of RMB1.00 each in the share capital of the Company, hereby inform the Company that I/we intend to attend (in person or by proxy) the 2025 annual general meeting of the Company to be held at 2:30 p.m. on Wednesday, May 20, 2026 at South Tower, CGN Building, No. 2002 Shennan Road, Shenzhen, Guangdong Province, the PRC.

Date:

Signature(s):

Notes:

1. Please insert full name(s) (in Chinese and English) and address(es) as recorded in the register of members of the Company in BLOCK CAPITALS.

2. Please insert the number of shares registered under your name(s).

3. Please complete and sign this reply slip for acknowledgement, and lodge, by hand or by post or by fax (852) 2865 0990, the same with Company’s H Share Registrar in Hong Kong, Computershare Hong Kong Investor Services Limited, at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wan Chai, Hong Kong, no later than 4:30 p.m. on Wednesday, May 13, 2026.

• For identification purpose only