OREANDA-NEWS. May 23, 2012. Due to change of work requirement, Ms. Huang Mingyuan, a Non-executive Director of Huaneng Power International, Inc. (the "Company") has, in accordance with the relevant provision of the articles of association of the Company, tendered her resignation report in writing to the board of directors of the Company on 18 May 2012 to resign from the positions of Director of the seventh session of the board of directors and member of the Nomination Committee of the seventh session of the board of directors of the Company, effective on the date on which a new Director is elected at the general meeting of the Company.

Ms. Huang Mingyuan confirmed that there is no disagreement with the Board and she is not aware of any matter in relation to her resignation that needs to be brought to the attention of the shareholders of the Company.