Datang International Power Generation : Notice of Attendance for the 2020 Annual General Meeting

(a sino-foreign joint stock limited company incorporated in the People's Republic of China)

(Stock Code: 00991)

Notice of Attendance for the 2020 Annual General Meeting

Name of shareholder (Note 1)

Number of shares held (Note 2)

I/We intend to attend, or appoint a proxy(ies) to attend the 2020 annual general meeting of Datang International Power Generation Co., Ltd. (the "Company"）to be held at 1616 Conference Room of the Company, 9 Guangningbo Street, Xicheng District, Beijing, the People's Republic of China (the "PRC") at 9:30 a.m. on 29 June 2021 (Tuesday).

Notes:

1. Name(s) registered in the register of members of the Company to be inserted in block capitals.
2. Please insert the number of shares of the Company registered under the name(s) of shareholders.
3. This notice of attendance, when duly completed and signed, is required to be delivered to the Company's registered office address at 9 Guangningbo Street, Xicheng District, Beijing, the PRC, Postcode: 100033, by hand, post, email or fax before 8 June 2021. Tel: (8610) 8800 8276, (8610) 8800 8263; Fax: (8610) 8800 8264; Email: dtteam@dtpower.com.

Signature(s):

Date:2021