Huaneng Power International, Inc. announced that on account of age reason, Mr. Cao Peixi (the Chairman and executive Director) has recently tendered a written report to the board of directors of the company, according to relevant regulations, resigning from his position as the Chairman and executive Director of the company. At the same time, he will also cease to act as the Chairman of the Strategy Committee of the board of directors of the company. The resignation report of Mr. Cao Peixi shall become effective from the date on which a new Chairman is elected by the board of directors of the company.