Huaneng Power International, Inc. Net Profit Attributable to Equity Holders for The First Half Year Of 2021 Decreased By 26.14%

BEIJING,July 27,2021 --Huaneng Power International,Inc. ("HPI",or the "Company") (NYSE: HNP; HKEx: 902; SSE: 600011) today announced its unaudited operating results prepared under IFRS for the six months ended 30 June 2021.

For the six months ended 30 June 2021,the Company and its subsidiaries recorded consolidated operating revenue of RMB95.116 billion (equivalent to approximately USD 14.724 billion,based on the exchange rate of USD 1 to RMB6.4601 as of 30 June 2021),representing an increase of 20.21% compared to the same period of last year. The net profit attributable to equity holders of the Company was RMB4.019 billion (equivalent to approximately USD 622 million),representing a decrease of 26.14% compared to the same period of last year. The earnings per share was RMB0.19 and earnings per ADS amounted to RMB 7.54 (equivalent to approximately USD 1.167). The main reason for the YoY decrease of the net profit is due to reducedprofits from business of domestic power sales and heat supply resulting from increased coal prices.

In the first half of the year,based on the new development stage,the Company implemented the new development concept,integrated into the new development pattern and,in accordance with the annual work deployment and requirements,coordinated the epidemic prevention and control,and operation reform and development,achieved the main production and operation performance goals,which have laid a solid foundation for the whole year's task.

Power Generation.In the first half of the year,the Company's total electricity sold by the power plants within China on consolidated basis amounted to 207.926 billion kWh,representing an increase of 20.80% over the same period last year. The average utilization hours of the Company's power plants within China were 1,980 hours,representing an increase of 263 hours over the same period last year. The company's market-based transaction power ratio was 61.09%,representing an increase of 11.20 percentage points over the same period last year.

Cost Control. In the first half of the year,coal supply and demand were at a high level.However,due to the limited release of domestic production,tight supply of overseas resources,continued improvement in the macro economy,and insufficient clean energy output,the growth of supply fell below the levelof demand growth. The price pivot of coal has moved up significantly. The Company scientifically studied and assessed market trends,flexibly adjustedits procurement strategy,strengthened resource development,improved thefulfillment of long-term contract performance,and actively played the roleof imported coal to supplement the supply. Thus,the supply of thermal coal for Company wasgenerally safe and stable. Notwithstanding the increase in coal price,the industrybenchmarkingof Companyremained advanced.

Energy Conservation and Environmental Protection.In the first half of the year,the Company steadily promoted the three-yearaction plan for safety production special rectification,heating renovation,energy saving and emission reduction,wastewater treatment in key areas,andclosure of coal yards. The safety,economy,and environmental protectionoperation of power generation units continued to improve,and the Company'spollutant emission concentration and energy consumption indicators continuedto maintain the industry lead. The Company's cumulative coal consumption forpower supply was 288.47 g/kWh,a year-on-year decrease of 2.10 g/kWh; theaverage emission concentrations of sulfur dioxide,nitrogen oxides,and soot fromthermal power units were all better than the ultra-low emission standards. In thenational benchmarking of the energy efficiency level of thermal power unitsreleased by China Electricity Council,theCompany has 52 units with good results.

Project Development and Construction.In the first half of the year,the Company proceeded smoothly in the constructionof power generation projects,adding 470 MW of wind power controlledgeneration capacity,190 MW of solar energy controlled generationcapacity,and 30 MW of biomass controlled generation capacity. In the meantime,some of the power plants invested or controlled by theCompany underwent changes in capacity. As of June 30,2021,the Company'scontrolled generation capacity was 114,042 MW,and the equitygeneration capacity was 99,891 MW. Low-carbon clean energy (wind power,solarenergy,hydro-power,combined cycle,biomass power) accounted for21.07% of the installed capacity.

Overseas Business.In the first half of the year,the accumulated power generation of Tuas Power Ltd. ("Tuas Power"),a wholly-owned subsidiary of the Company in Singapore,accounted for a market share of 20.5%,representing a decrease of 1.0 percentagepoint compared to the same period last year. The sales revenue was RMB5.667billion,representing an increase of 0.60% over the same period last year. Thepre-tax loss of Singapore business was RMB55 million,representing a decreasein pre-tax profit of RMB91 million over the same period last year (pre-tax profitof RMB36 million).In the first half of the year,the pre-tax profit of the Sahiwal project in Pakistanwas RMB407 million,representing an increase of RMB60 million compared tothe same period last year.

In the second half of the year,the Company will adhere to the concept of safe development andaccelerate the paceof green development,promote the optimization and upgrade of the coal-fired power structure,deepen the promotion of quality and efficiency enhancement,focus on ensuringthe quantity and price of coal,actively do a good job in power marketing,strictlycontrol costs and expenses,and strive to complete the annual operating performance;continue tocreate long-term,stable and increasing returns to the shareholders of the Company.

~End~

Encl: The consolidated financial information of the Company and its subsidiaries prepared under IFRS for the six months ended 30 June 2021.

About Huaneng Power International,Inc.

Huaneng Power International,Inc. is one of China's largest listed power producers with controlled generation capacity of 114,042 MW and equity based generation capacity of 99,891 MW. The power plants of the Company are located in 26 provinces,autonomous regions and municipalities in China. The Company also has a wholly owned power company in Singapore,and an invested power company in Pakistan.

For enquiries,please contact:

Huaneng Power International,Inc.

Mr. CHEN Zhelu / Ms. LIU Tianyu

Tel: (8610) 6322 6554/6322 6595

Fax:(8610) 63226888

Email: zqb@hpi.com.cn

Wonderful Sky Financial Group Limited

Ms. Ketrina Yang / Ms. Layla Zheng

Tel: (852) 3970 2286

Fax: (852) 3102 0210

Email: hpi@wsfg.hk

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