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(Stock Code: 902) OVERSEAS REGULATORY ANNOUNCEMENT UNIT NO.2 OF HUBEI YINGCHENG CO-GENERATION COMMENCES OPERATION

This announcement is issued pursuant to Rule 13.10B of the Rules Governing the Listing of
Securities on The Stock Exchange of Hong Kong Limited.
Huaneng Power International Inc. (the "Company") announces that the coal-fired generation unit No.2 with 350 MW of Hubei Huaneng Yingcheng Co-generation Co. Ltd. (which is wholly-owned by the Company) has recently commenced operation.
To-date, the Company's controlled generation capacity increases from 78,272 MW to 78,622 MW and the equity based generation capacity increases from 70,195 MW to 70,545 MW.
By Order of the Board Huaneng Power International, Inc. Du Daming

Company Secretary

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As at the date of this announcement, the directors of the Company are:
Cao Peixi

(Executive Director)

Guo Junming

(Non-executive Director)

Liu Guoyue (Executive Director) Li Shiqi

(Non-executive Director)

Huang Jian

(Non-executive Director)

Fan Xiaxia (Executive Director) Mi Dabin

(Non-executive Director)

Guo Hongbo

(Non-executive Director)

Xu Zujian

(Non-executive Director)

Li Song

(Non-executive Director)

Li Zhensheng

(Independent Non-executive Director)

Qi Yudong

(Independent Non-executive Director)

Zhang Shouwen

(Independent Non-executive Director)

Yue Heng

(Independent Non-executive Director)

Zhang Lizi

(Independent Non-executive Director)

Beijing, the PRC
21 January 2015

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