Huaneng Power International, Inc. (the "Company") and its subsidiaries develop, construct, operate and manage large power plants throughout China. As of August 31, 2008, the Company's attributable and controllable installed capacity were respectively 37,593MW and 40,989MW, making it one of the largest listed power producers in China.

The Company was established on June 30, 1994 and subsequently completed a global initial public offering in October of the same year with the issuance of 1,250,000,000 foreign shares. Such shares, represented by 31,250,000 American Depository Receipts (ADR) became listed on New York Stock Exchange (Ticker symbol: HNP). In January 1998, the Company became listed in The Stock Exchange of Hong Kong Limited by way of introduction (Stock code: 902) and in March completed a global placement of 250,000,000 foreign shares along with a private placement of 400,000,000 domestic shares. In November 2001, the Company successfully issued 350,000,000 A-shares, of which 250,000,000 shares were public shares. At present, the Company has approximately 12.06 billion total shares outstanding. On April 29, 2008 the Company purchased 100% shares right on SinoSing Power Pte. Ltd. from China Huaneng Group. SinoSing Power Pte. Ltd. wholly owns Tuas Power Ltd, a Singaporean company engaged in electric power production, wholesales and retails, with an installed capacity of 2,670 MW and taking 25% ratio of Singaporean market.

As of August 31, 2008, the Company and its subsidiaries wholly owned 16 operating power plants and an operating power company, had controlling interests in 13 operating power companies and minority interests in 5 others. These power plants, broadly located in 12 provinces and 2 municipalities in China, are installed with advanced equipment and have been operating efficiently and steadily. The company mainly engages in the development, construction and operation of large power plants utilizing modern technology and equipment，and using international as well as domestic capital. The Company introduced China's first 600MW supercritical generating unit. Huaneng Dalian Power Plant is the first power plant in China received the title of "First-rate Thermal Power Plant". Unit 1 of Huaneng Yuhuan Power Plant is the first operational ultra-supercritical coal-fired unit in China with 1000MW of capacity. The Company trades in New York, Hong Kong and Shanghai, the first such power company in China. The full labor productivity of the Company ranks among the best in domestic power industry. In 2000, the Company was awarded the title of "First-rate Power Company in China" by State Power Corporation.

Over the years, through persistent enterprising and steady operation, the Company's operating scale continued to rise and profit continued to grow, and its competitiveness became ever more strong. The Company's success lies in its strength in the following areas: 1. Advanced equipment, efficient generating units and steadily operating power plants; 2. High quality employee base and experienced management team; 3. Standardized corporate governance structure and scientific decision-making mechanism; 4. Strategically located power generating assets and bright market prospect; and 5. Sound creditworthiness both domestically and internationally and rich capital market operation experience. Looking into the future, the Company will continue to seek further development based on the principle of placing equal emphasis on acquisition and development, expansion and green-field, coal-fired and alternative energy sources, domestic and internal capital and resources. In the mean time, the Company is committed to enhancing management control and cost control, raising efficiency, so as to continuously increase shareholder's equity and maintain long-term and steady development.

The Company's parent and controlling shareholder, Huaneng International Power Development Corporation (HIPDC) is a sino-foreign joint venture established in 1985. The Company was jointly founded by HIPDC and several investment companies controlled by local governments where HIPDC's power plants were located.