Datang International Power Generation : OVERSEAS REGULATORY ANNOUNCEMENT AND INSIDE INFORMATION ANNOUNCEMENT FIRST QUARTERLY REPORT OF 2021

About this update from Datang International Power Generation Co., Ltd. Class A

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement. 大唐國際發電股份有限公司 (a sino-foreign joint stock limited company incorporated in the People's Republic of China) (Stock Code: 00991) OVERSEAS REGULATORY ANNOUNCEMENT AND INSIDE INFORMATION ANNOUNCEMENT FIRST QUARTERLY REPORT OF 2021 In accordance with the requirements of the China Securities Regulatory Commission, Datang International Power Generation Co., Ltd. (the " Company ") is required to publish quarterly reports for the first and third quarters of the year. The financial information contained in this quarterly report is unaudited, and was prepared in accordance with the China Accounting Standards for Business Enterprises. This announcement is made by the Company pursuant to the Inside Information Provisions (as defined under the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the " Listing Rules ")) under Part XIVA of the Securities and Futures Ordinance (Cap. 571 of Laws of Hong Kong) and Rules 13.09(2)(a) and 13.10B of the Listing Rules. IMPORTANT NOTICE The board of directors, the supervisory committee, the directors, the supervisors and senior management members of the Company warrant the truthfulness, accuracy and completeness of the content hereof and that there are no false representations, misleading statements contained in or material omissions from this quarterly report, and severally and jointly accept the legal responsibility. All the directors of the Company attended the board meeting to review the quarterly report. Chen Feihu, the person-in-change of the Company, and Jiang Jinming, the person-in- change of accounting matters, and Zhao Wei, the person-in-change of the accounting institution (head of the accounting department), hereby warrant the truthfulness, accuracy and completeness of the financial statements contained in this quarterly report. The first quarterly report of the Company is unaudited. - 1 - BASIC INFORMATION OF THE COMPANY 2.1 Major financial data Unit: '000 Currency: RMB Increase/ decrease at the end of the reporting period As at the end As at the end as compared to of the reporting of the previous the end of the period year previous year (%) Total assets 278,877,162 280,333,508 -0.52 Net assets attributable to equity holders of the Company 73,815,729 73,024,030 1.08 From the beginning of Increase/ From the the previous decrease as beginning of the year to the end compared to the year to the end of the previous corresponding of the reporting corresponding period of the period reporting period previous year (%) Net cash flows generated from operating activities 5,121,003 6,809,303 -24.79 - 2 - From the beginning of Increase/ From the the previous decrease as beginning of the year to the end compared to the year to the end of the previous corresponding of the reporting corresponding period of the period reporting period previous year (%) Operating revenue 25,094,878 22,136,935 13.36 Net profit attributable to equity holders of the Company 808,543 705,969 14.53 Net profit attributable to equity holders of the Company after deducting non- recurring profit/loss 767,168 609,569 25.85 Increased by Weighted average return 0.03 percentage on net assets (%) 1.07 1.04 point Basic earnings per share (RMB/share) 0.0242 0.0236 2.54 Diluted earnings per share (RMB/share) 0.0242 0.0236 2.54 Note: The impact of other equity instruments was deducted in calculating the weighted average return on net assets, basic earnings per share and diluted earnings per share in the above table. During the reporting period, the principal of other equity instruments was RMB30,922,292,000 and the interest was RMB755,225,000. - 3 - Non-recurring profit/loss items and amounts 3 Applicable □ Not applicable Unit: '000 Currency: RMB Amount for Items the period Notes Profit/loss from disposal of 5,243 Profit from disposal of non-current assets non-current assets less loss from disposal of non-current assets Government's grants included in 31,802 Government's grants included in the profit/loss for the current the profit/loss for the current period (except for those closely period (net of government's related to the Company's grants related to the normal business operation and Company's normal business granted in fixed amount or operation) quantity specified by certain standards on an on-going basis and in compliance with the State's policies and regulations) Profit/loss from entrusted loans 3,563 to external entities Other non-operating income 13,932 and expenses excluding the abovementioned items Impact of minority interests -6,150 (after tax) Impact of income tax -7,015 Total 41,375 - 4 - 2.2 Total number of shareholders and shareholdings of the top ten shareholders and holders of circulating shares (or holders of shares not subject to selling restrictions) as of the end of the reporting period Unit: share Total number of shareholders 209,230 Shareholdings of the top ten shareholders Number of shares held Number of at the end of shares held Pledged or frozen the reporting Shareholding with selling Share Name of shareholder (Full name) period percentage restrictions status Number Nature of shareholder (%) China Datang Corporation Ltd. 6,540,706,520 35.34 / Unknown 49,000,000 State-owned legal person HKSCC NOMINEES LIMITED 6,085,544,247 32.88 / Pledged 3,275,623,820 Foreign legal person Tianjin Jinneng Investment 1,295,092,600 7.00 / Nil / State-owned legal person Co., Ltd. Hebei Construction & Investment 1,281,872,927 6.93 / Nil / State-owned legal person Group Co., Ltd. Beijing Energy Investment Holding 1,231,730,854 6.66 / Nil / State-owned legal person Co., Ltd. China Securities Finance 257,502,806 1.39 / Nil / State-owned legal person Corporation Limited Central Huijin Asset Management 76,904,200 0.42 / Nil / State-owned legal person Ltd. Hong Kong Securities Clearing 46,434,247 0.25 / Nil / Foreign legal person Company Limited Hu Xudong 23,588,800 0.13 / Nil / Domestic natural person Dongfang Electric Corporation 17,173,679 0.09 / Nil / State-owned legal person ( 中國東方電氣集團有限公司 ) - 5 - Shareholdings of the top ten holders of shares free from selling restriction Number of Class and number of shares circulating shares held not subject to selling Name of shareholder restrictions Class Number China Datang Corporation Ltd. HKSCC NOMINEES LIMITED Tianjin Jinneng Investment Co., Ltd. Hebei Construction & Investment Group Co., Ltd. Beijing Energy Investment Holding Co., Ltd. China Securities Finance Corporation Limited Central Huijin Asset Management Ltd. Hong Kong Securities Clearing Company Limited Hu Xudong Dongfang Electric Corporation Notes on the related relationship or acting in concert among the above shareholders Notes on holders of preference shares with resumed voting right and the number of shares held 6,540,706,520 RMB-denominated 6,540,706,520 ordinary shares 6,085,544,247 Overseas-listed 6,085,544,247 foreign shares 1,295,092,600 RMB-denominated 1,295,092,600 ordinary shares 1,281,872,927 RMB-denominated 1,281,872,927 ordinary shares 1,231,730,854 RMB-denominated 1,231,730,854 ordinary shares 257,502,806 RMB-denominated 257,502,806 ordinary shares 76,904,200 RMB-denominated 76,904,200 ordinary shares 46,434,247 RMB-denominated 46,434,247 ordinary shares 23,588,800 RMB-denominated 23,588,800 ordinary shares 17,173,679 RMB-denominated 17,173,679 ordinary shares China Datang Overseas (Hong Kong) Co., Limited, a wholly- owned subsidiary of China Datang Corporation Ltd. (" CDC "), held 3,275,623,820 H shares of the Company, representing approximately 17.70% of the Company's total share capital, which were included in the shareholding of the Company held by HKSCC NOMINEES LIMITED. China Datang Overseas (Hong Kong) Co., Limited has pledged all the H shares held by it in the Company. China Datang Group Finance Company Limited, a holding subsidiary of CDC, held 8,738,600 A shares of the Company. As at 31 March 2021, CDC and its subsidiaries held a total of 9,825,068,940 issued shares of the Company, representing approximately 53.09% of the Company's total issued shares. / 2.3 Total number of holders of preference shares and shareholdings of the top ten holders of preference shares and the top ten holders of preference shares (not subject to selling restrictions) as at the end of the reporting period □ Applicable 3 Not applicable - 6 - III. SIGNIFICANT MATTERS 3.1 The details of and the reasons for the material changes in the major financial statement items and financial indicators of the Company Applicable □ Not applicable Items of the Balance Sheet Notes receivables of the Company and its subsidiaries as at the end of the reporting period increased by approximately 59.57% over the beginning of the reporting period, which was mainly due to the impact of increase in settlement by way of notes by the Company and its subsidiaries. Contract liabilities of the Company and its subsidiaries as at the end of the reporting period decreased by approximately 74.92% over the beginning of the reporting period, which was mainly due to the decrease in the heat charges received in advance of the subsidiaries of the Company as a result of end of heating season. Items of the income statement and cash flow statement The sales expenses of the Company and its subsidiaries in the current period increased by approximately 39.40% over the corresponding period of the previous year, which was mainly due to the impact of the payment of freight by Inner Mongolia Baoli Coal Company Limited and the payment of sales service fees by Zhejiang Datang Power Marketing Company Limited, both the Company's subsidiaries. The R&D expenses of the Company and its subsidiaries in the current period increased by approximately 494.20% over the corresponding period of the previous year, which was mainly due to the impact of the increase in R&D expenditures by the Company's subsidiaries. Other income of the Company and its subsidiaries in the current period increased by approximately 82.86% over the corresponding period of the previous year, which was mainly due to the impact of the increase in government's grants received by the Company and its subsidiaries. Investment income of the Company and its subsidiaries in the current period increased by approximately 756.19% over the corresponding period of the previous year, which was mainly due to the impact of the improvement in profitability for the current period of the associates (joint ventures) invested by the Company in the current period. - 7 - The credit impairment losses of the Company and its subsidiaries in the current period decreased by approximately 1,158.33% over the corresponding period of the previous year, which was mainly due to the impact of recovering bad debts by Inner Mongolia Datang International Hohhot Aluminum and Power Company Limited and Datang Hebei Power Generation Co., Ltd., both the Company's subsidiaries. Gains from disposal of assets of the Company and its subsidiaries in the current period increased by approximately 192.74% over the corresponding period of the previous year, which was mainly due to the impact of the gains from the disposal of fixed assets by Tianjin Datang International Panshan Power Generation Company Limited, a subsidiary of the Company. Non-operating income of the Company and its subsidiaries in the current period decreased by approximately 83.24% over the corresponding period of the previous year, which was mainly due to the impact of the gains from the assets retirement of the Company in the previous period. Non-operating expenses of the Company and its subsidiaries in the current period decreased by approximately 96.84% over the corresponding period of the previous year, which was mainly due to the impact of the donations made by the Company and its subsidiaries in the previous period. 3.2 The progress of major events and analysis on their effects and solutions Applicable □ Not applicable In the Special Explanation for the Capital Occupation by Controlling Shareholders and Other Related Parties of the Company in 2020, there was a non-operating fund transaction with an amount of RMB52.8 million, which was caused by the purchase of capacity indicators of small generating units by a subsidiary of the Company from a subsidiary of the controlling shareholder in the previous years. In 2011, in accordance with the prevailing requirements of energy conservation and emission reduction, and in order to promote the approval of the second phase of the Company's Wushashan Power Plant, upon consideration and approval at the 21st meeting of the seventh session of the board of directors of the Company, it was agreed to acquire the shutdown capacity indicators of small thermal power units owned by Datang Shandong Power Generation Co., Ltd. (" Datang Group Shandong Company "), a subsidiary of China Datang Corporation Ltd. (the controlling shareholder), and enter into a capacity transfer agreement with initial payment of RMB52.8 million. Subsequently, affected by the policy adjustment, the shutdown capacity indicators could not be used anymore. As agreed under the capacity transfer agreement, the Company requested the termination of this agreement. - 8 - After communication between the Company and Datang Group Shandong Company, Datang Group Shandong Company stated that the relevant funds have been used to purchase capacity indicators of small generating units and agreed to terminate the contract after the funds are recovered. In order to implement the spirit of the "Opinions of the State Council on Further Improving the Quality of Listed Companies", the Company actively communicated with the controlling shareholder on this matter. On 25 April 2021, Datang Group Shandong Company has returned all the amounts. Besides, the Company has also conducted a comprehensive self-examination on the occupation of non-operating funds and other related fund transactions. Up to now, there are no issues such as capital occupation and illegal guarantees that should be disclosed but not disclosed. In the next step, the Company will further regulate related transactions and fund transactions with controlling shareholder and its subsidiaries, and effectively safeguard the legitimate interests of the Company and minority shareholders. Overdue performance of undertakings during the reporting period Applicable 3 Not applicable The warning and explanation on the forecast of the possible loss or significant changes (as compared to the corresponding period of last year) in accumulated net profits from the beginning of the year to the end of the next reporting period Applicable 3 Not applicable By order of the Board Jiang Jinming Company Secretary Beijing, the PRC, 28 April 2021 As at the date of this announcement, the directors of the Company are: Chen Feihu, Qu Bo, Liang Yongpan, Ying Xuejun, Zhu Shaowen, Cao Xin, Zhao Xianguo, Jin Shengxiang, Sun Yongxing, Liu Jizhen*, Luo Zhongwei*, Liu Huangsong*, Jiang Fuxiu*, Niu Dongxiao* Independent non-executive directors - 9 - IV. APPENDIX 4.1 Financial statement Consolidated Balance Sheet 31 March 2021 Prepared by: Datang International Power Generation Co., Ltd. Unit: '000 Currency: RMB Audit Type: unaudited 31 March 31 December Item 2021 2020 Current assets: Cash balance 8,945,867 8,274,612 Settlement provisions Loans to banks and other financial institutions Trading financial assets Derivative financial assets Notes receivables 547,674 343,228 Accounts receivables 16,075,062 15,147,362 Receivables financing 1,091,771 1,241,807 Prepayments 1,040,024 1,475,072 Premium receivables Reinsurance receivables Reinsurance contract reserves receivable Other receivables 1,398,912 1,421,061 Including: Interests receivable 68,761 67,651 Dividends receivable 241,310 235,005 Financial assets purchased with agreement to resale Inventories 3,324,128 3,145,945 Contract assets Held-for-sale assets Non-current assets due within one year Other current assets 2,554,388 2,663,250 Total current assets 34,977,826 33,712,337 - 10 - 31 March 31 December Item 2021 2020 Non-current assets: Loans and advances to customers Debt investments Other debt investments Long-term receivables 115,185 110,185 Long-term equity investments 18,115,412 17,844,237 Investments in other equity instruments 880,371 899,309 Other non-current financial assets 3,839,505 3,839,505 Investment properties 468,852 473,183 Fixed assets 189,232,110 186,682,076 Construction-in-progress 17,547,338 23,361,158 Productive biological assets Oil and gas assets Right-of-use assets 1,142,060 1,169,585 Intangible assets 4,087,671 4,090,222 Development expenses 90,359 90,359 Goodwill 762,979 762,979 Long-term deferred expenses 540,564 556,123 Deferred income tax assets 3,896,947 3,888,508 Other non-current assets 3,179,983 2,853,742 Total non-current assets 243,899,336 246,621,171 Total assets 278,877,162 280,333,508 - 11 - 31 March 31 December Item 2021 2020 Current liabilities: Short-term borrowings 29,145,533 29,040,022 Borrowings from the central bank Loans from other banks Trading financial liabilities Derivative financial liabilities Notes payable 1,340,531 1,407,831 Accounts payable 17,370,283 17,422,783 Receipts in advance 92 Contract liabilities 386,049 1,539,392 Funds from selling out and repurchasing financial assets Receipts of deposits and deposits from other banks Customer deposits for trading in securities Amounts due to issuer for securities underwriting Salaries payable 244,312 197,556 Taxes payable 1,236,120 1,416,964 Other payables 3,879,099 4,154,657 Including: Interests payable Dividends payable 597,667 805,672 Fee and commission payable Reinsurance accounts payables Held-for-sale liabilities Non-current liabilities due within one year 18,309,438 21,109,701 Other current liabilities 2,123,900 2,731,231 Total current liabilities 74,035,265 79,020,229 - 12 - 31 March 31 December Item 2021 2020 Non-current liabilities: Reserves for insurance contracts Long-term borrowings 94,201,180 92,151,095 Debentures payables 5,983,564 5,982,740 Including: Preference shares Perpetual liabilities Lease liabilities 1,852,371 1,714,402 Long-term payables 7,642,177 7,269,754 Long-term salaries payable 12,874 13,567 Accrued liabilities 23,409 23,409 Deferred income 2,127,237 2,168,887 Deferred income tax liabilities 594,461 596,869 Other non-current liabilities Total non-current liabilities 112,437,273 109,920,723 Total liabilities 186,472,538 188,940,952 - 13 - 31 March 31 December Item 2021 2020 Owners' equity (or shareholders' equity): Paid-up capital (or share capital) 18,506,711 18,506,711 Other equity instruments 31,677,517 31,316,377 Including: Preference shares Perpetual liabilities 31,677,517 31,316,377 Capital surplus 6,270,088 6,270,088 Less: Inventory shares Other comprehensive income -557,617 -535,048 Specific reserve 360,221 354,496 Surplus reserve 16,706,337 16,706,337 General risk reserve Undistributed profits 852,472 405,069 Total owners' equity (or shareholders' equity) attributable to the parent company 73,815,729 73,024,030 Minority interests 18,588,895 18,368,526 Total owners' equity (or shareholders' equity) 92,404,624 91,392,556 Total liabilities and owners' equity (or shareholders' equity) 278,877,162 280,333,508 Person-in-charge of the Person-in-charge of Person-in-charge of the Company: accounting matters: accounting institution: Chen Feihu Jiang Jinming Zhao Wei - 14 - Balance Sheet of the Parent Company 31 March 2021 Prepared by: Datang International Power Generation Co., Ltd. Unit: '000 Currency: RMB Audit Type: unaudited 31 March 31 December Item 2021 2020 Current assets: Cash balance 2,174,885 1,100,694 Trading financial assets Derivative financial assets Notes receivables 9,000 32,000 Accounts receivables 988,398 982,469 Receivables financing Prepayments 94,518 63,074 Other receivables 2,628,118 2,897,867 Including: Interests receivable 68,761 67,651 Dividends receivable 2,266,287 2,496,886 Inventories 233,416 222,163 Contract assets Held-for-sale assets Non-current assets due within one year 8,493 9,857 Other current assets 1,906,203 1,910,964 Total current assets 8,043,031 7,219,088 - 15 - 31 March 31 December Item 2021 2020 Non-current assets: Debt investments 1,915,394 1,913,945 Other debt investments Long-term receivables 255 255 Long-term equity investments 73,377,124 73,063,189 Investments in other equity instruments 272,765 269,423 Other non-current financial assets 3,728,306 3,728,306 Investment properties 175,304 177,375 Fixed assets 9,270,918 9,465,339 Construction-in-progress 3,961,058 3,961,984 Productive biological assets Oil and gas assets Right-of-use assets 35,258 39,187 Intangible assets 682,483 689,153 Development expenses 2,802 2,802 Goodwill 33,561 33,561 Long-term deferred expenses 53,764 58,379 Deferred income tax assets 2,662,635 2,662,635 Other non-current assets 200,920 201,472 Total non-current assets 96,372,547 96,267,005 Total assets 104,415,578 103,486,093 - 16 - 31 March 31 December Item 2021 2020 Current liabilities: Short-term borrowings 7,549,629 6,548,620 Trading financial liabilities Derivative financial liabilities Notes payable Accounts payable 857,768 881,098 Receipts in advance Contract liabilities 13,267 15,365 Salaries payable 18,230 8,500 Taxes payable 54,573 52,279 Other payables 730,312 708,339 Including: Interests payable Dividends payable Held-for-sale liabilities Non-current liabilities due within one year 4,870,110 4,913,992 Other current liabilities 2,043,200 2,058,164 Total current liabilities 16,137,089 15,186,357 Non-current liabilities: Long-term borrowings 3,420,000 3,531,000 Debentures payables 5,983,564 5,982,740 Including: Preference shares Perpetual liabilities Lease liabilities 30,276 22,835 Long-term payables Long-term salaries payable Accrued liabilities Deferred income 240,607 248,043 Deferred income tax liabilities 121,260 121,260 Other non-current liabilities Total non-current liabilities 9,795,707 9,905,878 Total liabilities 25,932,796 25,092,235 - 17 - 31 March 31 December Item 2021 2020 Owners' equity (or shareholders' equity): Paid-up capital (or share capital) 18,506,711 18,506,711 Other equity instruments 31,677,517 31,316,377 Including: Preference shares Perpetual liabilities 31,677,517 31,316,377 Capital surplus 10,191,300 10,191,300 Less: Inventory shares Other comprehensive income -446,832 -446,832 Specific reserve 369,309 369,309 Surplus reserve 16,572,808 16,572,808 Undistributed profits 1,611,969 1,884,185 Total owners' equity (or shareholders' equity) 78,482,782 78,393,858 Total liabilities and owners' equity (or shareholders' equity) 104,415,578 103,486,093 Person-in-charge of the Person-in-charge of Person-in-charge of the Company: accounting matters: accounting institution: Chen Feihu Jiang Jinming Zhao Wei - 18 - Consolidated Income Statement January to March 2021 Prepared by: Datang International Power Generation Co., Ltd. Unit: '000 Currency: RMB Audit Type: unaudited The first The first quarter of quarter of Item 2021 2020 1. Total operating revenue 25,094,878 22,136,935 Including: Operating revenue 25,094,878 22,136,935 Interest income Premiums earned Fees and commission income 2. Total operating costs 24,054,946 21,040,266 Including: Operating costs 21,634,313 18,534,053 Interest expenses Fees and commission expense Surrender payment Net expenditure for compensation payment Net provisions for insurance liabilities Expenditure for insurance policy dividend Reinsurance cost Business tax and surcharges 307,684 285,288 Selling expenses 14,866 10,664 Administrative expenses 487,093 481,585 R&D expenditures 820 138 Financial expenses 1,610,170 1,728,538 Including: Interest expenses 1,615,209 1,744,289 Interest income 14,281 24,270 - 19 - The first The first quarter of quarter of Item 2021 2020 Add: Other income 61,147 33,440 Investment income (losses stated with "-") 263,808 30,812 Including: Investment income from associates and joint ventures 260,245 29,092 Gains from derecognition of financial assets at amortized costs Gains from foreign exchange (losses stated with "-") Gains on net exposure hedging (losses stated with "-") Gains arising from changes in fair value (losses stated with "-") Loss on impairment of credit (losses stated with "-") 755 60 Loss on impairment of assets (losses stated with "-") Gains from disposals of assets (losses stated with "-") 5,243 1,791 3. Operating profit (losses stated with "-") 1,370,885 1,162,772 Add: Non-operating income 16,524 98,608 Less: Non-operating expenses 379 11,983 4. Total profit (total loss stated with "-") 1,387,030 1,249,397 Less: Income tax expenses 362,320 353,428 5. Net profit (net loss stated with "-") 1,024,710 895,969 (1) Classified by continuity of operations 1. Net profit from continuing operations (net loss stated with "-") 1,024,710 895,969 2. Net profit from discontinued operations (net loss stated with "-") (2) Classified by ownership of equity 1. Net profit attributable to the shareholders of the parent company (net loss stated with "-") 808,543 705,969 2. Minority shareholders' profit and loss (net loss stated with "-") 216,167 190,000 - 20 - The first The first quarter of quarter of Item 2021 2020 6. Other comprehensive income after tax (net) -22,569 18,529 Other comprehensive income after tax attributable to owners of the parent company (net) -22,569 18,529 1. Other comprehensive income that cannot be reclassified to profit and loss -22,192 15,070 (1) Changes arising from the re- measurement of defined benefit plans (2) Other comprehensive income that cannot be reclassified to profit and loss under equity method (3) Changes in fair value of investments in other equity instruments -22,192 15,070 Changes in fair value of enterprise's own credit risk 2. Other comprehensive income that will be reclassified to profit and loss -377 3,459 Other comprehensive income that can be reclassified to profit and loss under equity method Changes in fair value of other debt investments Amount of financial assets reclassified to other comprehensive income Credit impairment provision for other debt investments Cash flow hedging reserves Exchange differences from retranslation of financial statements -377 3,459 Others Other comprehensive income after tax attributable to minority shareholders (net) - 21 - The first The first quarter of quarter of Item 2021 2020 7. Total comprehensive income 1,002,141 914,498 (1) Total comprehensive income attributable to owners of the parent company 785,974 724,498 (2) Total comprehensive income attributable to minority shareholders 216,167 190,000 8. Earnings per share: (1) Basic earnings per share (RMB/share) 0.0242 0.0236 (2) Diluted earnings per share (RMB/share) 0.0242 0.0236 Person-in-charge of the Person-in-charge of Person-in-charge of the Company: accounting matters: accounting institution: Chen Feihu Jiang Jinming Zhao Wei - 22 - Income Statement of the Parent Company January to March 2021 Prepared by: Datang International Power Generation Co., Ltd. Unit: '000 Currency: RMB Audit Type: unaudited The first The first quarter of quarter of Item 2021 2020 1. Operating revenue 2,648,657 2,575,377 Less: Operating costs 2,447,562 2,163,032 Business tax and surcharges 47,798 49,108 Selling expenses Administrative expenses 137,265 111,870 R&D expenditures 47 Financial expenses 227,414 285,956 Including: Interest expenses 230,910 289,829 Interest income 3,820 3,852 Add: Other income 8,134 7,435 Investment income (losses stated with "-") 291,583 59,394 Including: Investment income from associates and joint ventures 260,245 29,099 Gains from derecognition of financial assets at amortized costs Gains on net exposure hedging (losses stated with "-") Gains arising from changes in fair value (losses stated with "-") Loss on impairment of credit (losses stated with "-") Loss on impairment of assets (losses stated with "-") Gains from disposals of assets (losses stated with "-") 1,780 2. Operating profit (losses stated with "-") 88,288 34,020 Add: Non-operating income 636 67,462 Less: Non-operating expenses 1,430 - 23 - The first The first quarter of quarter of Item 2021 2020 3. Total profit (total loss stated with "-") 88,924 100,052 Less: Income tax expenses 4. Net profit (net loss stated with "-") 88,924 100,052 (1) Net profit from continuing operations (net loss stated with "-") 88,924 100,052 Net profit from discontinued operations (net loss stated with "-") 5. Other comprehensive income after tax (net) Other comprehensive income that cannot be reclassified to profit and loss Changes arising from the re-measurement of defined benefit plans Other comprehensive income that cannot be reclassified to profit and loss under equity method Changes in fair value of investments in other equity instruments Changes in fair value of enterprise's own credit risk Other comprehensive income that will be reclassified to profit and loss Other comprehensive income that can be reclassified to profit and loss under equity method Changes in fair value of other debt investments Amount of financial assets reclassified to other comprehensive income Credit impairment provision for other debt investments Cash flow hedging reserves Exchange differences from retranslation of financial statements Others - 24 - The first The first quarter of quarter of Item 2021 2020 6. Total comprehensive income 88,924 100,052 7. Earnings per share: Basic earnings per share (RMB/share) Diluted earnings per share (RMB/share) Person-in-charge of Person-in-charge of the Legal representative: accounting matters: accounting institution: Chen Feihu Jiang Jinming Zhao Wei - 25 - Consolidated Cash Flow Statement January to March 2021 Prepared by: Datang International Power Generation Co., Ltd. Unit: '000 Currency: RMB Audit Type: unaudited The first The first quarter of quarter of Item 2021 2020 1. Cash flows generated from operating activities: Cash received from sales of goods and services rendered 25,996,620 24,306,491 Net increase in customer and interbank deposits Net increase in borrowing from the central bank Net cash increase in intra-bank borrowing from other financial institutions Cash received from premiums under original insurance contract Net cash received from reinsurance business Net increase in deposits of policy holders and investment Cash received from interest, fees and commissions Net increase in loans from other banks Net increase in cash received from repurchase business Net cash received from trading in securities for customer Refund of taxes and levies 51,214 10,305 Other cash received relating to operating activities 424,346 608,331 Sub-total of cash inflows from operating activities 26,472,180 24,925,127 - 26 - The first The first quarter of quarter of Item 2021 2020 Cash paid for goods and services received 16,616,887 13,588,670 Net increase in customer loans and advance Net increase in deposits in the central bank and interbank deposits Cash paid for compensation payments under original insurance contract Net increase in loans to banks and other financial institutions Cash paid for interest, fees and commissions Cash paid for insurance policy dividend Cash paid to and on behalf of employees 1,902,948 1,511,786 Payments of all types of taxes 1,913,632 2,070,985 Other cash paid relating to operating activities 917,710 944,383 Sub-total of cash outflows from operating activities 21,351,177 18,115,824 Net cash flows generated from operating activities 5,121,003 6,809,303 2. Cash flows generated from investing activities: Cash received on disposals of investments 7,131 Cash received on investment income 37,274 21,413 Net cash received from disposals of fixed assets, intangible assets and other long-term assets 35,279 128,662 Net cash received from disposals of subsidiaries and other operating units Other cash received relating to investing activities 936 10,911 Sub-total of cash inflows from investing activities 73,489 168,117 - 27 - The first The first quarter of quarter of Item 2021 2020 Cash paid for acquisition and construction of fixed assets, intangible assets and other long- term assets 1,509,112 1,717,504 Cash paid to acquire investments 14,272 8,700 Net increase in secured loans Net cash paid for acquisition of subsidiaries and other operating units Other cash paid relating to investing activities 14,514 44,122 Sub-total of cash outflows from investing activities 1,537,898 1,770,326 Net cash flows generated from investing activities -1,464,409 -1,602,209 3. Cash flows generated from financing activities: Cash received from investments 2,876 950 Including: Cash received from minority shareholders' investment in subsidiaries 2,876 950 Cash received from borrowings 12,887,138 16,421,732 Other cash received relating to financing activities 531,504 141,135 Sub-total of cash inflows from financing activities 13,421,518 16,563,817 Cash paid on repayments of borrowings 13,826,964 16,754,793 Cash paid for distribution of dividends and profit or interest expenses 1,666,764 1,711,053 Including: Dividends and profit paid to minority shareholders by subsidiaries 67,822 75,893 Other cash paid relating to financing activities 685,058 781,167 Sub-total of cash outflows from financing activities 16,178,786 19,247,013 Net cash flows generated from financing activities -2,757,268 -2,683,196 - 28 - The first The first quarter of quarter of Item 2021 2020 4. Effect of foreign exchange rate changes on cash and cash equivalents -68 893 5. Net increase in cash and cash equivalents 899,258 2,524,791 Add: Balance of cash and cash equivalents at the beginning of the reporting period 7,856,964 7,964,249 6. Balance of cash and cash equivalents at the end of the reporting period 8,756,222 10,489,040 Person-in-charge of Person-in-charge of the Legal representative: accounting matters: accounting institution: Chen Feihu Jiang Jinming Zhao Wei - 29 - Cash Flow Statement of the Parent Company January to March 2021 Prepared by: Datang International Power Generation Co., Ltd. Unit: '000 Currency: RMB Audit Type: unaudited The first The first quarter of quarter of Item 2021 2020 1. Cash flows generated from operating activities: Cash received from sales of goods and services rendered 2,935,695 2,837,924 Refund of taxes and levies 90 Other cash received relating to operating activities 152,500 127,107 Sub-total of cash inflows from operating activities 3,088,285 2,965,031 Cash paid for goods and services received 2,165,085 2,046,947 Cash paid to and on behalf of employees 319,092 279,134 Payments of all types of taxes 150,628 169,710 Other cash paid relating to operating activities 201,399 163,621 Sub-total of cash outflows from operating activities 2,836,204 2,659,412 Net cash flows generated from operating activities 252,081 305,619 - 30 - The first The first quarter of quarter of Item 2021 2020 2. Cash flows generated from investing activities: Cash received on disposals of investments 7,131 Cash received on investment income 254,335 15,211 Net cash received from disposals of fixed assets, intangible assets and other long-term assets 26,225 92,032 Net cash received from disposals of subsidiaries and other operating units Other cash received relating to investing activities 4,653 Sub-total of cash inflows from investing activities 280,560 119,027 Cash paid for acquisition and construction of fixed assets, intangible assets and other long- term assets 33,792 21,705 Cash paid to acquire investments 57,032 59,270 Net cash paid for acquisition of subsidiaries and other operating units Other cash paid relating to investing activities 3,996 911 Sub-total of cash outflows from investing activities 94,820 81,886 Net cash flows generated from investing activities 185,740 37,141 - 31 - The first The first quarter of quarter of Item 2021 2020 3. Cash flows generated from financing activities: Cash received from investments Cash received from borrowings 3,500,000 6,000,000 Other cash received relating to financing activities 23,360 1,619 Sub-total of cash inflows from financing activities 3,523,360 6,001,619 Cash paid on repayments of borrowings 2,787,083 5,749,772 Cash paid for distribution of dividends and profit or interest expenses 99,903 194,476 Other cash paid relating to financing activities 22 8 Sub-total of cash outflows from financing activities 2,887,008 5,944,256 Net cash flows generated from financing activities 636,352 57,363 - 32 - The first The first quarter of quarter of Item 2021 2020 4. Effect of foreign exchange rate changes on cash and cash equivalents 16 80 5. Net increase in cash and cash equivalents 1,074,189 400,203 Add: Balance of cash and cash equivalents at the beginning of the reporting period 1,100,624 1,701,785 6. Balance of cash and cash equivalents at the end of the reporting period 2,174,813 2,101,988 Person-in-charge of Person-in-charge of the Legal representative: accounting matters: accounting institution: Chen Feihu Jiang Jinming Zhao Wei Adjustment of relevant items in the financial statements at the beginning of the year due to the implementation of the New Lease Standards for the first time since 2021 Applicable 3 Not applicable Notes on retrospective adjustment of the comparative figures in the previous period due to the implementation of the New Lease Standards for the first time since 2021 Applicable 3 Not applicable Audit report Applicable 3 Not applicable - 33 -

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