Huaneng Power International, Inc. announced that due to change of work, Mr. Guo Hongbo (the non-executive Director) has recently tendered a written report to the board of directors of Huaneng Power International, Inc. according to relevant regulations, resigning from his position as the non-executive Director of the Company. At the same time, he will also cease to act as a member of the Remuneration and Appraisal Committee of the board of directors of the Company. The resignation report of Mr. Guo Hongbo shall become effective from the date on which a new director is elected by the Company.