Huadian Power International : REPLY SLIP FOR ATTENDANCE

華電國際 電力股份有 限公司

Huadian Power International Corporation Limited*

(A Sino-foreign investment joint stock company limited by shares incorporated in the People's

Republic of China (the "PRC"))

(Stock Code: 1071)

REPLY SLIP FOR ATTENDANCE

I/We(Note 1)

being registered holder(s) of(Note 2)A shares/H shares# in the capital of

華電國際電力股份有限公司 Huadian Power International Corporation Limited* (the "Company"), intend to attend (in person or by proxy) the extraordinary general meeting of the Company to be held at Huabin International Hotel, No. 4 Xuanwumennei Street, Xicheng District, Beijing, the PRC at 2:30 p.m. on Wednesday, 28 October 2020.

Name of shareholder attending the extraordinary general meeting:

H share shareholder account number (if applicable):

Signature of shareholder:

Date:2020

Notes:

1. Please insert full name(s) and address(es) (as shown in the register of members) in BLOCK CAPITALS.
2. Please insert the number of shares registered in your name(s).
3. This reply slip shall be completed and signed and shall be delivered to the Secretarial Office of the Board of the Company at China Huadian Tower, No. 2 Xuanwumennei Street, Xicheng District, Beijing, the PRC (tel. no: (8610) 8356 7909, contact person: Ms. Sun Miao) on or before Wednesday, 7 October 2020. This reply slip may be returned in person (registration procedures for attending the extraordinary general meeting may forthwith be proceeded thereafter), or delivered by post (postal code: 100031) or by facsimile (fax no: (8610) 8356 7963).
4. Please enclose duplicate copy of your identity documents (identity card or passport).

• Delete where appropriate

• For identification purposes only