Huaneng Power International, Inc. announced that due to work reason, Mr. Zhao Keyu (the Executive Director and the Chairman of the Company) has recently tendered a written report to the board of directors (the "Board") of Huaneng Power International, Inc. (the "Company") according to relevant regulations, resigning from his position as the Executive Director and the Chairman of the Company. At the same time, he also ceased to act as the chairman of the Strategy Committee and a member of the Nomination Committee of the Company. The resignation report of Mr. Zhao Keyu shall become effective from the date when the Company appoints a new Executive Director and the Chairman of the Company (i.e. 29 August 2023).

Mr. Zhao Keyu confirmed that there is no disagreement with the Board. He is not aware of any matter in relation to his resignation from the Chairman, Executive Director, the of the Strategy Committee and a member of the Nomination Committee of the Company that needs to be brought to the attention of the shareholders of the Company. After full deliberation by the directors of the tenth session of the Board of the Company, Mr. Wang Kui (currently a non-executive Director of the Company) was elected as the Chairman, the chairman of the Strategy Committee and a member of the Nomination Committee of the tenth session of the Board of Company, Mr. Wang Kui has been re-designated from non-executive Director to the Executive Director of the Company.

WANG Kui, aged 56, member of the Communist Party of China, is the Director of the Company, an assistant to the President, Director of the thermal power construction center and Director of the engineering technology and economic management center of China Huaneng Group Co. Ltd. ("Huaneng Group") and a Director of North United Power Co. Ltd. He previously served as Vice President and Party member of Huaneng Xinjiang Energy Development Co.

Ltd. (from August 2007 to November 2008, he was a member of the standing committee of the Party Committee and Deputy Governor of the Kizilsu Kirghiz Autonomous Prefecture in Xinjiang), the Vice President and the Deputy Party Secretary, President and Deputy Party Secretary (presided over the work) of Shanxi branch of Huaneng Power International, Inc., Chief of the Planning and Development Department, the Deputy Chief Economist and the Chief of the Planning and Development Department of Huaneng Group. He graduated from Guanghua School of Management, Peking University, majoring in Business Administration for Senior Executives, MBA. He is a professor-level senior engineer.