Tuesday, May 13, 2008

The Stock Exchange of Hong Kong Limited takes no responsibility for the contents of this announcement, makes no representation as to its accuracy or completeness and expressly disclaims any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

Huaneng Power International

(a Sino-foreign joint stock limited company incorporated in the People’s Republic of China)

(Stock Code: 902)

CHANGE OF SESSIONS OF BOARD OF DIRECTORS

AND SUPERVISORY COMMITTEE

The members of the new sessions of the board of directors and supervisory committee of the Company were elected at the 2007 annual general meeting of the Company held on 13 May 2008.

The tenure of the office of each of Mr. Na Xizhi, Mr. Ding Shida, Mr. Qian Zhongwei, Mr. Xia Donglin, Mr. Wu Yusheng (as directors); and Mr. Shen Zongmin and Ms. Zou Cui (as supervisors) had ended on 13 May 2008, the date on which the term of the new session of the board of directors and the new session of the supervisory committee commenced.

The members of the new sessions of the board of directors and supervisory committee of Huaneng Power International Inc. (the “Company”) were elected at the 2007 annual general meeting of the Company held on 13 May 2008. Biographies of the members of the new sessions of the board of directors and the supervisory committee are set out below:

DIRECTORS

Mr. Li Xiaopeng

Li Xiaopeng, aged 48, is re-appointed as the Chairman of the Company. He is the

President of China Huaneng Group (“Huaneng Group”) as well as Chairman and

President of Huaneng International Power Development Corporation (“HIPDC”).

Mr. Li previously served as the Vice President, President and Vice Chairman of

the Company as well as Vice President, President and Vice Chairman of HIPDC,

Chairman of Huaneng Group and Vice President of State Power Corporation.

Before joining HIPDC, he had successively served as Engineer of the Power

System Research Division, as Deputy Division Chief of the Planning and

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Operations Division, and as General Manager of the Power Technology and

Economic Research Division, Electric Power Research Institute. He graduated

from the North China Institute of Electric Power specializing in power plants and

power systems holding a bachelor’s degree. He is a senior engineer.

Mr. Li Xiaopeng has not held any directorship in any other listed public

companies in the last three years.

Save as disclosed above, Mr. Li Xiaopeng does not hold any other positions with

the Company or any of its subsidiary and does not have any relationships with

any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Li Xiaopeng will enter into a service

agreement in relation to the appointment of Mr. Li Xiaopeng as director of the

Company. Mr. Li Xiaopeng will be entitled to director’s emoluments which are

determined by the Board from time to time with reference to his duties and

responsibilities with the Company, the market benchmark and performance of the

Company, subject to approval by the shareholders at the general meeting.

In addition, there is no other information in relation to Mr. Li Xiaopeng which

is discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Mr. Huang Yongda

Huang Yongda, aged 50, is re-appointed as the Vice Chairman of the Company.

He is also the Vice President of Huaneng Group and a Director of HIPDC. He

previously served as the Deputy Director of the Economic Moderation and State

Asset Supervision Office of Ministry of Power Industry, Deputy Director of the

General Office of the Ministry of Power Industry, Deputy Officer of the Finance

and Asset Management Department of State Power Corporation, Deputy Director

of the Power Department of the State Economic and Trade Commission,

President of Jiangxi Province Power Corporation. He also concurrently served as

the Vice President of HIPDC. Chairman of Xi’an Thermal Industrial Research

Institute Limited Company and Huaneng Capital Services Limited Company and

President of the Company. He graduated from China Renmin University,

specializing in industrial financial accounting holding a Postgraduate Degree.

He is a senior accountant.

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Mr. Huang Yongda has not held any directorship in any other listed public

companies in the last three years.

Save as disclosed above, Mr. Huang Yongda does not hold any other positions

with the Company or any of its subsidiary and does not have any relationships

with any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Huang Yongda will enter into a service

agreement in relation to the appointment of Mr. Huang Yongda as director of the

Company. Mr. Huang Yongda will be entitled to director’s emoluments which are

determined by the Board from time to time with reference to his duties and

responsibilities with the Company, the market benchmark and performance of the

Company, subject to approval by the shareholders at the general meeting.

In addition, there is no other information in relation to Huang Yongda which is

discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Mr. Huang Long

Huang Long, aged 54, is re-appointed as the Vice Chairman of the Company. He

is the Vice President of Huaneng Group, Director of HIPDC and Chairman of

China Hua Neng Group Hong Kong Limited. He previously served as Deputy

General Manager and General Manager of the International Co-operation

Department of HIPDC, and as Vice President and Secretary of the Board of

Directors of the Company. He graduated with a M.S. degree from North Carolina

State University in the U.S., specializing in communications and auto-control.

He is a senior engineer.

Mr. Huang Long has not held any directorship in any other listed public

companies in the last three years.

Save as disclosed above, Mr. Huang Long does not hold any other positions with

the Company or any of its subsidiary and does not have any relationships with

any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Huang Long will enter into a service

— 3 —

agreement in relation to the appointment of Mr. Huang Long as director of the

Company. Mr. Huang Long will be entitled to director’s emoluments which are

determined by the Board from time to time with reference to his duties and

responsibilities with the Company, the market benchmark and performance of the

Company, subject to approval by the shareholders at the general meeting.

In addition, there is no other information in relation to Mr. Huang Long which

is discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Mr. Wu Dawei

Wu Dawei, aged 54, is re-appointed as the Director of the Company. He is the

Deputy Chief Engineer of Huaneng Group, President of Huaneng Group East

China Branch, President of Huaneng International East China Branch Company,

Chairman of Huaneng Shanghai Combine-cycled Limited Company and

Chairman of Huaneng Nanjing Jinling Power Generation Limited Company. He

previously served as Deputy General Manager of Huaneng Shanghai Shidongkou

Second Power Plant, Deputy General Manager of Shanghai branch of the

Company, the General Manager of Huaneng Shanghai Shidongkou Second Power

Plant. He has obtained a Master of Business Administration degree from the

Central Europe International Business School. He is a senior engineer.

Mr. Wu Dawei has not held any directorship in any other listed public companies

in the last three years.

Save as disclosed above, Mr. Wu Dawei does not hold any other positions with

the Company or any of its subsidiary and does not have any relationships with

any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Wu Dawei will enter into a service

agreement in relation to the appointment of Mr. Wu Dawei as director of the

Company. Mr. Wu Dawei will be entitled to director’s emoluments which are

determined by the Board from time to time with reference to his duties and

responsibilities with the Company, the market benchmark and performance of the

Company, subject to approval by the shareholders at the general meeting.

— 4 —

In addition, there is no other information in relation to Mr. Wu Dawei which is

discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Mr. Liu Guoyue

Liu Guoyue, aged 44, is newly appointed as the Director of the Company. He is

the President of the Company, Director of Shanghai Times Navigation

Transportation Limited Company, Director of Xian Thermal Research Institute

Limited Company, Chairman of Hebei Hanfeng Power Generation Limited

Liability Company, Huaneng Yushe Power Generation Limited Company,

Chairman of Tianjin Huaneng Yangliuqing Thermal Limited Company, Chairman

of Huaneng Pingliang Power Generation Limited Company and Vice Chairman

of Shanxi International Power Guanghua Power Generation Limited Company.

Mr. Liu Guoyue served as Deputy General Manager, Director of the Company,

Deputy Manager (Deputy Director) and Manager (Director) of Huaneng

Shijiazhuang Branch (Shang’an Power Plant) and Director of Huaneng Dezhou

Power Plant. He graduated from Guanghua Management Institute Beijing

University, with a master degree (EMBA) in business administration. He is a

senior engineer.

Mr. Liu Guoyue has not held any directorship in any other listed public

companies in the last three years.

Save as disclosed above, Mr. Liu Guoyue does not hold any other positions with

the Company or any of its subsidiary and does not have any relationships with

any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Liu Guoyue will enter into a service

agreement in relation to the appointment of Mr. Liu Guoyue as director of the

Company. Mr. Liu Guoyue will be entitled to director’s emoluments which are

determined by the Board from time to time with reference to his duties and

responsibilities with the Company, the market benchmark and performance of the

Company, subject to approval by the shareholders at the general meeting.

In addition, there is no other information in relation to Mr. Liu Guoyue which

is discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

— 5 —

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Mr. Fan Xiaxia

Fan Xiaxia, aged 45, is newly appointed as the Director of the Company. He is

the Vice President of the Company, Chairman of Henan Huaneng Qinbei Power

Generation Limited Company, Chairman of Huaneng Wuhan Power Generation

Limited Company, Chairman of Huaneng Chongqing Luohuang Power

Generation Limited Company and Chairman of Huaneng Hunan Yueyang Power

Generation Limited Company. Mr. Fan Xiaxia previously served as Deputy Chief

of General Administration Division of Engineering Department and Deputy

Chief of Construction Management Department of HIPDC, Deputy General

Manager of the Company’s Nantong Branch, Deputy Manager of Construction

Management Department of HIPDC, Deputy Manager and Manager of

International Co-operation and Business Department of the Company, Manager

of Construction Management Department of the Company, Assistant to President

of the Company and General Manager of the Company’s Zhejiang Branch

Yuhuan Power Plant Preparatory Office. He graduated from Beijing Construction

Institute with a bachelor degree, specializing in civil engineering. He is a senior

engineer.

Mr. Fan Xiaxia has not held any directorship in any other listed public companies

in the last three years.

Save as disclosed above, Mr. Fan Xiaxia does not hold any other positions with

the Company or any of its subsidiary and does not have any relationships with

any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Fan Xiaxia will enter into a service

agreement in relation to the appointment of Mr. Fan Xiaxia as director of the

Company. Mr. Fan Xiaxia will be entitled to director’s emoluments which are

determined by the Board from time to time with reference to his duties and

responsibilities with the Company, the market benchmark and performance of the

Company, subject to approval by the shareholders at the general meeting.

In addition, there is no other information in relation to Mr. Fan Xiaxia which is

discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

— 6 —

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Mr. Shan Qunying

Shan Qunying, aged 54, is re-appointed the Director of the Company. He is the

Vice President of Hebei Provincial Construction Investment Company, Chairman

of Hebei Provincial Natural Gas Limited Company, Chairman of Hebei

Construction Investment Power Fuel Management Limited Company, Vice

Chairman of Guodian Construction Investment Inner Mongolia Energy Limited

Company, Chairman of Hong Kong Yanshan Development Limited Company,

Vice Chairman of Yanshan International Investment Limited Company and

Director of Hebei Construction Investment New Energy Limited Company. He

had been the Energy & Communication Division Chief of Hebei Provincial

Construction Investment Company. He graduated from Management Institute of

Tianjin University holding an EMBA degree. He is a senior engineer.

Mr. Shan Qunying has not held any directorship in any other listed public

companies in the last three years.

Save as disclosed above, Mr. Shan Qunying does not hold any other positions

with the Company or any of its subsidiary and does not have any relationships

with any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Shan Qunying will enter into a service

agreement in relation to the appointment of Mr. Shan Qunying as director of the

Company. Mr. Shan Qunying will be entitled to director’s emoluments which are

determined by the Board from time to time with reference to his duties and

responsibilities with the Company, the market benchmark and performance of the

Company, subject to approval by the shareholders at the general meeting.

In addition, there is no other information in relation to Mr. Shan Qunying which

is discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

— 7 —

Mr. Xu Zujian

Xu Zujian, aged 53, is re-appointed as the Director of the Company. He is the

Vice President of Jiangsu Province Guoxin Asset Management Group Limited

Company, and Chairman of Jiangsu Investment Management Co. Ltd. He was

Vice President of Jiangsu Provincial International Trust & Investment

Corporation, President of Jiangsu Provincial Investment & Management Limited

Liability Company, Director. He graduated from Liaoning Finance University

majoring in infrastructure finance, holding a bachelor’s degree. He is a senior

economist.

Mr. Xu Zujian has not held any directorship in any other listed public companies

in the last three years.

Save as disclosed above, Mr. Xu Zujian does not hold any other positions with

the Company or any of its subsidiary and does not have any relationships with

any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Xu Zujian will enter into a service

agreement in relation to the appointment of Mr. Xu Zujian as director of the

Company. Mr. Xu Zujian will be entitled to director’s emoluments which are

determined by the Board from time to time with reference to his duties and

responsibilities with the Company, the market benchmark and performance of the

Company, subject to approval by the shareholders at the general meeting.

In addition, there is no other information in relation to Mr. Xu Zujian which is

discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Ms. Huang Mingyuan

Ms. Huang Mingyuan, aged 50, is newly appointed as the Director of the

Company. She is the Vice President of Fujian Investment Enterprise Group

Company, the President of Xiamen Fuda Photosensitive Materials Company

Limited, a Director of Xiamen International Bank, Macau Luso International

Bank and Guangfa Huafu Securities Company Limited. She had been the

department head to the Management Office of Fujian Province Economic and

Trade (Medicine) Committee, and the secretary general of the Leading

— 8 —

Committee for Market Reorganization and Restructuring and Order of Economy.

She graduated from the Business School of De Montfort University in the United

Kingdom, specializing in business administration holding a Postgraduate Degree

and was awarded a Master degree in business administration.

Ms. Huang Mingyuan has not held any directorship in any other listed public

companies in the last three years.

Save as disclosed above, Ms. Huang Mingyuan does not hold any other positions

with the Company or any of its subsidiary and does not have any relationships

with any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Ms. Huang Mingyuan will enter into a service

agreement in relation to the appointment of Ms. Huang Mingyuan as director of

the Company. Ms. Huang Mingyuan will be entitled to director’s emoluments

which are determined by the Board from time to time with reference to her duties

and responsibilities with the Company, the market benchmark and performance

of the Company, subject to approval by the shareholders at the general meeting.

In addition, there is no other information in relation to Ms. Huang Mingyuan

which is discloseable pursuant to the requirements set out in Rules 13.51(2)(h)

to 13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is she involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Mr. Liu Shuyuan

Liu Shuyuan, aged 57, is re-appointed as the Director of the Company. He is the

Chairman of Liaoning Energy Investment (Group) Limited Liability Company.

He previously served as the Deputy General Manager of Liaoning Provincial

Trust and Investment Corporation, the Vice President, Director and President of

Liaoning Changye (Group) Limited Liability Company (Liaoning Energy

Corporation), Director, Chairman, and General Manager of Liaoning Energy

Investment (Group) Limited Liability Company and Supervisor of the Company.

He is a postgraduate of PRC Liaoning Province Communist Party School

specializing in economic management. He is a senior economist and senior

operating manager.

Mr. Liu Shuyuan has not held any directorship in any other listed public

companies in the last three years.

— 9 —

Save as disclosed above, Mr. Liu Shuyuan does not hold any other positions with

the Company or any of its subsidiary and does not have any relationships with

any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Liu Shuyuan will enter into a service

agreement in relation to the appointment of Mr. Liu Shuyuan as director of the

Company. Mr. Liu Shuyuan will be entitled to director’s emoluments which are

determined by the Board from time to time with reference to his duties and

responsibilities with the Company, the market benchmark and performance of the

Company, subject to approval by the shareholders at the general meeting.

In addition, there is no other information in relation to Mr. Liu Shuyuan which

is discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is she involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Mr. Liu Jipeng

Liu Jipeng, aged 51, is re-appointed as the Independent Director of the Company.

He is a Professor and mentor of master candidates of Capital Economic and

Trade University, a professor and mentor of PhD candidates at the Law and

Economics Research Centre at China University of Political Science and Law,

Chairman of Beijing Standard Consulting Company Limited, independent

director of Wanxiang Qianchao, Jiangzhong Pharmaceuticals. He was as the

Chief of the Corporate Research Center of Capital Economic and Trade

University, independent director of Haerbin Power, Hubei Cheqiao and Guodian

Power. He graduated from the Economic Department of the graduate School of

China Academy of Social Science with a master‘s degree in economics. He is a

certified public accountant.

Mr. Liu Jipeng has not held any directorship in any other listed public companies

in the last three years.

Save as disclosed above, Mr. Liu Jipeng does not hold any other positions with

the Company or any of its subsidiary and does not have any relationships with

any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Liu Jipeng will enter into a service

— 10 —

agreement in relation to the appointment of Mr. Liu Jipeng as an independent

non-executive director of the Company. Mr. Liu Jipeng will be entitled to

director’s emoluments which are determined by the Board from time to time with

reference to his duties and responsibilities with the Company, the market

benchmark and performance of the Company, subject to approval by the

shareholders at the general meeting.

In addition, there is no other information in relation to Mr. Liu Jipeng which is

discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Mr. Yu Ning

Yu Ning, aged 53, is re-appointed as the Independent Director of the Company,

independent director of Industrial Fund Management Limited Company. He is

the Southern Science Park Development Limited Company, Guojin Securities

Limited Company and the President of All China Lawyers Association. Mr. Yu

Ning served as Deputy Director and Director of CCP Central Disciplinary

Inspection Commission, practising lawyer at Beijing Times Highland Law Firm,

part-time professor at Peking University, mentor of master postgraduates at the

Law School of Tsinghua University and independent director of Jiangsu

Lianyungang Port Co. Ltd. (a company listed on the Shanghai Stock Exchange).

He graduated from the law department of Peking University with a LLB degree

in 1983 and obtained a LLM degree specializing in economic law from the law

department of Beijing University in 1996. He is a qualified lawyer.

Mr. Yu Ning has not held any directorship in any other listed public companies

in the last three years.

Save as disclosed above, Mr. Yu Ning does not hold any other positions with the

Company or any of its subsidiary and does not have any relationships with any

directors, supervisors, senior management, substantial or controlling shareholder

of the Company, nor had he any interests in the Shares within the meaning of Part

XV the Securities and Futures Ordinance (Cap. 571 of the Laws of Hong Kong).

The Company and Mr. Yu Ning will enter into a service agreement in relation to

the appointment of Mr. Yu Ning as an independent non-executive director of the

— 11 —

Company. Mr. Yu Ning will be entitled to director’s emoluments which are

determined by the Board from time to time with reference to his duties and

responsibilities with the Company, the market benchmark and performance of the

Company, subject to approval by the shareholders at the general meeting.

In addition, there is no other information in relation to Mr. Yu Ning which is

discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Mr. Shao Shiwei

Mr. Shao Shiwei, aged 62, is newly appointed as the Independent Director of the

Company. He is the Consultant of Huadong Grid Network Company, the

Chairman of the Supervisory Committee of Shanghai Electric Power Co., Ltd. (a

company listed on the Shanghai Stock Exchange). He had been the Deputy Chief

of the Electricity for Agriculture of the State Energy Department, the Chief of

the Law and Regulation of the State Electricity Department, Assistant General

Manager of the National Electric Power Company, Deputy Secretary General of

the Office Department, the President of Huadong Yixing Water Pumping and

Energy Reserve Company Limited, the President and General Manager of

Huadong Grid Network Company. He graduated from the Central Communist

Party School specializing in philosophy, political economy, science socialism.

He is a senior engineer of professor level.

Mr. Shao Shiwei has not held any directorship in any other listed public

companies in the last three years.

Save as disclosed above, Mr. Shao Shiwei does not hold any other positions with

the Company or any of its subsidiary and does not have any relationships with

any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Shao Shiwei will enter into a service

agreement in relation to the appointment of Mr. Shao Shiwei as an independent

non-executive director of the Company. Mr. Shao Shiwei will be entitled to

director’s emoluments which are determined by the Board from time to time with

reference to his duties and responsibilities with the Company, the market

benchmark and performance of the Company, subject to approval by the

shareholders at the general meeting.

— 12 —

In addition, there is no other information in relation to Mr. Shao Shiwei which

is discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Mr. Zheng Jianchao

Mr. Zheng Jianchao, aged 68, is newly appointed as the Independent Director of

the Company. He is the Deputy Chief of China Electrical Engineering

Association, Honorary Vice Chancellor and President of China Electricity

Science Research Institute and the Chief of the Science Technology Committee

of China Guangdong Nuclear Power Group Corporation. He had been the

Independent Director of HIPDC, the Vice President, andd Vice Chancellor and

President of China Electrical Science Research Institute, Deputy Chief of the

Academy of Science and Technology Committee of China Electricity Science

Research Institute. In 1995, he had been elected as an associate member of China

Technology Institute. He graduated from electrical machinery engineering

faculty of Qinghua University, specializing in high voltage technology and

holding a Postgraduate Degree. He is a senior engineer of professor level.

Mr. Zheng Jianchao has not held any directorship in any other listed public

companies in the last three years.

Save as disclosed above, Mr. Zheng Jianchao does not hold any other positions

with the Company or any of its subsidiary and does not have any relationships

with any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Zheng Jianchao will enter into a service

agreement in relation to the appointment of Mr. Zheng Jianchao as an

independent non-executive director of the Company. Mr. Zheng Jianchao will be

entitled to director’s emoluments which are determined by the Board from time

to time with reference to his duties and responsibilities with the Company, the

market benchmark and performance of the Company, subject to approval by the

shareholders at the general meeting.

In addition, there is no other information in relation to Mr. Zheng Jianchao

which is discloseable pursuant to the requirements set out in Rules 13.51(2)(h)

to 13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

— 13 —

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Mr. Wu Liansheng

Wu Liansheng, aged 37, is newly appointed as the Independent Director of the

Company. He is a Professor, Ph. D. Tutor and Secretary General of the Light

Management Institute of Beijing University and the Secretary General of the

Accounting Faculty. After obtaining his doctorate, Mr. Wu Liansheng was

engaged in a two year post-doctorate research in Xiamen University. Afterwards,

he commenced working in the Light Management Institute of Beijing University

as the Lecturer, Associate Professor, Professor, Ph. D. Tutor and concurrently

served as the Deputy Secretary General and Secretary General of the Accounting

Faculty. He graduated from Zhongnan University with a doctorate degree in

Management (Accounting).

Mr. Wu Liansheng has not held any directorship in any other listed public

companies in the last three years.

Save as disclosed above, Mr. Wu Liansheng does not hold any other positions

with the Company or any of its subsidiary and does not have any relationships

with any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Wu Liansheng will enter into a service

agreement in relation to the appointment of Mr. Wu Liansheng as an independent

non-executive director of the Company. Mr. Wu Liansheng will be entitled to

director’s emoluments which are determined by the Board from time to time with

reference to his duties and responsibilities with the Company, the market

benchmark and performance of the Company, subject to approval by the

shareholders at the general meeting.

In addition, there is no other information in relation to Mr. Wu Liansheng which

is discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

— 14 —

SUPERVISORS

Mr. Guo Junming

Guo Junming, aged 42, is re-appointed as the Chairman of the Company’s

Supervisory Committee. He is the Chief Accountant of Huaneng Group, Director

of Huaneng Capital Services Limited Company, Shenzhen Special Economic

Zone Securities Corporation and Great Wall Securities Company, and Vice

Chairman of Shanxi Weihe Power Generation Limited Company. He was Deputy

Chief of the Financial Department and Chief of the Financial Accounting

Department of Grid Construction Branch Company (Grid Construction

Department) of State Power Corporation, Deputy Manager of the Finance

Department of Huaneng Group, Vice President and President of China Huaneng

Finance Limited Liability Company, President of Huaneng Capital Services

Limited Company, Deputy Chief Accountant and Manager of the Finance

Department of Huaneng Group. He graduated from Shanxi Finance and

Economic Institute specializing in business finance and accounting. He is a

senior accountant.

Mr. Guo Junming has not held any directorship in any other listed public

companies in the last three years.

Save as disclosed above, Mr. Guo Junming does not hold any other positions

with the Company or any of its subsidiary and does not have any relationships

with any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Guo Junming will enter into a service

agreement in relation to the appointment of Mr. Guo Junming as supervisor of

the Company. Mr. Guo Junming will be entitled to emoluments which are

determined by the Board from time to time with reference to his duties and

responsibilities with the Company, the market benchmark and performance of the

Company, subject to approval by the shareholders at the general meeting.

In addition, there is no other information in relation to Mr. Guo Junming which

is discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

— 15 —

Ms. Yu Ying

Ms. Yu Ying, aged 52, is re-appointed as the Vice Chairman of the Company’s

Supervisory Committee. She is the President of Dalian Municipal Investment

Corporation. Ms. Yu Ying served as Vice Director of Social Affair Department

of Dalian Municipal Planning Commission, Director of Fixed Assets Investment

Department of Dalian Municipal Planning Commission, Assistant to President of

Dalian International Trusts Investment Corporation and Chairman and President

of Dalian State-owned Asset Management Limited Company. She graduated from

Liaoning University of Finance and Economics, specializing in finance and

credit, with a master degree in Economics. She is a senior economist.

Ms. Yu Ying has not held any directorship in any other listed public companies

in the last three years.

Save as disclosed above, Ms. Yu Ying does not hold any other positions with the

Company or any of its subsidiary and does not have any relationships with any

directors, supervisors, senior management, substantial or controlling shareholder

of the Company, nor had he any interests in the Shares within the meaning of Part

XV the Securities and Futures Ordinance (Cap. 571 of the Laws of Hong Kong).

The Company and Ms. Yu Ying will enter into a service agreement in relation to

the appointment of Ms. Yu Ying as supervisor of the Company. Ms. Yu Ying will

be entitled to emoluments which are determined by the Board from time to time

with reference to her duties and responsibilities with the Company, the market

benchmark and performance of the Company, subject to approval by the

shareholders at the general meeting.

In addition, there is no other information in relation to Ms. Yu Ying which is

discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is she involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Ms. Wu Lihua

Ms. Wu Lihua, aged 52, is newly appointed as the Supervisor of the Company.

She is the Manager of Finance Department of HIPDC, the Supervisor of Huaneng

Chaohu Power Company Limited. She had been the Deputy Manager of the

Finance Department of HIPDC, Deputy Manager of the Finance Department and

the Manager of Multi-Finance Department of the Company, Vice Chairman of the

— 16 —

Preparatory Committee of Huaneng Insurance Company, Deputy General

Manager of Yongcheng Property Insurance Holding Company Limited. She

graduated from the People University (Second), specializing in Financial

Accounting with a bachelor’s degree. She is a senior accountant.

Ms. Wu Lihua has not held any directorship in any other listed public companies

in the last three years.

Save as disclosed above, Ms. Wu Lihua does not hold any other positions with

the Company or any of its subsidiary and does not have any relationships with

any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Ms. Wu Lihua will enter into a service

agreement in relation to the appointment of Ms. Wu Lihua as supervisor of the

Company. Ms. Wu Lihua will be entitled to emoluments which are determined by

the Board from time to time with reference to her duties and responsibilities with

the Company, the market benchmark and performance of the Company, subject

to approval by the shareholders at the general meeting.

In addition, there is no other information in relation to Ms. Wu Lihua which is

discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is she involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Mr. Gu Jianguo

Gu Jianguo, aged 41, is re-appointed as the Supervisor of the Company. He is the

Director and President of Nantong Investment & Management Limited Company.

Mr. Gu Jianguo served as Deputy Chief and Chief of General Department,

Investment Department, Finance Department and Foreign Economic Affairs

Department of the Nantong Municipal Planning Committee, Vice President of

Nantong Ruici Investment Limited Company, Executive President of Ruici

Hospital, President of Ruici (Maanshan) Development Limited Company;

Chairman and President of Nantong Zhonghe Guarantee Limited Company, Chief

Officer of Nantong Municipal Investment Management Centre and Director and

President of Nantong Xinhongji Investment Management Limited Company. He

graduated from Nanjing Aviation University holding a bachelor’s degree. He is

a senior economist.

— 17 —

Mr. Gu Jianguo has not held any directorship in any other listed public

companies in the last three years.

Save as disclosed above, Mr. Gu Jianguo does not hold any other positions with

the Company or any of its subsidiary and does not have any relationships with

any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Gu Jianguo will enter into a service

agreement in relation to the appointment of Mr. Gu Jianguo as supervisor of the

Company. Mr. Gu Jianguo will be entitled to emoluments which are determined

by the Board from time to time with reference to his duties and responsibilities

with the Company, the market benchmark and performance of the Company,

subject to approval by the shareholders at the general meeting.

In addition, there is no other information in relation to Mr. Gu Jianguo which is

discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Also set out below the biographies of the two Staff representative supervisors of

the Company whose appointment is not subject to approval in general meeting

according to the Articles of Association of the Company:-

Mr. Wang Zhaobin

Mr. Wang Zhaobin, aged 52, is re-appointed as the Supervisor of the Company.

He is the Supervisor and Manager of the Department for Managers’ Operation of

HIPDC. He had been a Guidance Officer to the Middle League of the 52886

Team of the PRC Liberation Army, Deputy Secretary General of the Party

Organisation Bureau of the PRC Energy Department, Chief of the Organisation

Affairs Bureau of the PRC Electricity Department, Secretary of Human Affairs

Department and Retirement Department of HIPDC, the Deputy Secretary of

Communist Party Committee, Secretary of Communist Party Disciplinary

Inspection Committee, Chairman of the Labour Union of Huaneng Beijing

Electric Plant, Deputy Manager and Manager of Corporate Policy Division of

HIPDC. He graduated from China Beijing Municipal Communist Party School,

specializing in economic management, holding a bachelor’s degree. He is a

corporate culture specialist.

— 18 —

Mr. Wang Zhaobin has not held any directorship in any other listed public

companies in the last three years.

Save as disclosed above, Mr. Wang Zhaobin does not hold any other positions

with the Company or any of its subsidiary and does not have any relationships

with any directors, supervisors, senior management, substantial or controlling

shareholder of the Company, nor had he any interests in the Shares within the

meaning of Part XV the Securities and Futures Ordinance (Cap. 571 of the Laws

of Hong Kong). The Company and Mr. Wang Zhaobin will enter into a service

agreement in relation to the appointment of Mr. Wang Zhaobin as supervisor of

the Company. Mr. Wang Zhaobin will be entitled to emoluments which are

determined by the Board from time to time with reference to his duties and

responsibilities with the Company, the market benchmark and performance of the

Company, subject to approval by the shareholders at the general meeting.

In addition, there is no other information in relation to Mr. Wang Zhaobin which

is discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

Mr. Dai Xinmin

Mr. Dai Xinmin, aged 46, is newly appointed as the Supervisor of the Company.

He is the Manager of the Audit and Supervisory Department of the Company. He

had been the Deputy Chief of the Property Right Bureau to the State Owned

Assets Management Committee, the Chief Accountant, Deputy Manager of the

Finance Department of Huaneng Group, the Chief Accountant of Huaneng

Comprehensive Property Rights Company and the Deputy Secretary General of

the Asset Operation Department of Huaneng Group. He graduated from Shanghai

Finance Institute, specializing in industrial economics and holding a bachelor’s

degree. He is a senior economist.

Mr. Dai Xinmin has not held any directorship in any other listed public

companies in the last three years.

— 19 —

Mr. Dai Xinmin does not hold any other positions with the Company or any of

its subsidiary and does not have any relationships with any directors,

supervisors, senior management, substantial or controlling shareholder of the

Company, nor had he any interests in the Shares within the meaning of Part XV

the Securities and Futures Ordinance (Cap. 571 of the Laws of Hong Kong). The

Company and Mr. Dai Xinmin will enter into a service agreement in relation to

the appointment of Mr. Dai Xinmin as supervisor of the Company. Mr. Dai

Xinmin will be entitled to emoluments which are determined by the Board from

time to time with reference to his duties and responsibilities with the Company,

the market benchmark and performance of the Company, subject to approval by

the shareholders at the general meeting.

In addition, there is no other information in relation to Mr. Dai Xinmin which is

discloseable pursuant to the requirements set out in Rules 13.51(2)(h) to

13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock

Exchange of Hong Kong Limited nor is he involved in any of the matters

required to be disclosed pursuant to such rules. Save as disclosed above, there

is no other matter that needs to brought to the attention of the shareholders of the

Company.

The tenure of the office of each of Mr. Na Xizhi, Mr. Ding Shida, Mr. Qian Zhongwei,

Mr. Xia Donglin, Mr. Wu Yusheng (as directors); and Mr. Shen Zongmin and Ms.

ZouCui (as supervisors) had ended on 13 May 2008, the date on which the term of

the new session of the board of directors and the new session of the supervisory

committee commenced. For avoidance of doubt, each of Mr. Na Xizhi, Mr. Ding

Shida, Mr. Qian Zhongwei, Mr. Xia Donglin, Mr. Wu Yusheng, Mr. Shen Zongmin

and Ms. Zou Cui had informed the Company that he/she has no disagreement with the

board of directors or, as the case may be, the supervisory committee and the there is

no matter relating to the end of his/her tenure of office that needs to be brought to

the attention of the shareholders of the Company.

By Order of the Board

Huaneng Power International, Inc.

Gu Biquan

Company Secretary

— 20 —

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

Li Xiaopeng

(Executive Director)

Huang Yongda

(Non-executive Director)

Huang Long

(Non-executive Director)

Wu Dawei

(Non-executive Director)

Liu Guoyue

(Executive Director)

Fan Xiaxia

(Executive Director)

Shan Qunying

(Non-executive Director)

Xu Zujian

(Non-executive Director)

Huang Mingyuan

(Non-executive Director)

Liu Shuyuan

(Non-executive Director)

Liu Jipeng

(Independent Non-executive Director)

Yu Ning

(Independent Non-executive Director)

Shao Shiwei

(Independent Non-executive Director)

Zheng Jianchao

(Independent Non-executive Director)

Wu Liansheng

(Independent Non-executive Director)

Beijing, the PRC

14 May 2008

— 21 —