Guangdong Electric Power Development Co., Ltd. Summary of the Semi-Annual Report 2023 Stock Abbreviation:Yue Dian Li A, Yue Dian Li B Stock Code:000539,200539 Announcement No.:2023-42 Corporate bond code: 149369 Abbreviation of corporate bond:21 Yudean 01 Corporate bond code: 149418 Abbreviation of corporate bond:21 Yudean 02 Corporate bond code: 149711 Abbreviation of corporate bond: 21 Yudean 03 Guangdong Electric power Development Co., Ltd. Summary of the Semi-Annual Report 2023 I. Important notes This summary of the Semi-Annual Report is quoted out of the full text of the Semi-Annual Report. Investors desirous to understand entirely the company's operation results, financial position and future development planning are advised to carefully read the full text of the Semi-Annual Report which is published in the medium designated by CSRC. Other directors attending the Meeting for Semi-annual report deliberation except for the followed: The name of director who did Position of absent The name of director who Reason not attend the meeting in person director was authorized Mao Qinghan Director Due to business Ma Xiaoqian Non-standard auditor’s opinion □ Applicable √Not applicable Preliminary plan for profit distribution to the common shareholders or turning the capital reserve into the share capital for the reporting period, which has been reviewed and approved at the board meeting □ Applicable √Not applicable The company will distribute no cash dividends or bonus shares and has no reserve capitalization plan. The preference share profit distribution pre-plan approved by the Board of Directors □ Applicable √Not applicable II. Basic information about the company 1. Company profile Stock abbreviation Yue Dian Li A, Yue Dian Li B Stock code 000539,200539 Stock exchange for Shenzhen Stock Exchange listing Contact person and Board secretary Securities affairs Representative contact manner Name Liu Wei Huang Xiaowen 35/F, South Tower, Yudean Plaza, No.2 Tianhe 35/F, South Tower, Yudean Plaza, No.2 Tianhe Address Road East, Guangzhou,Guangdong Province Road East, Guangzhou,Guangdong Province Tel (020)87570251 (020)87570251 E-mail liuw@ged.com.cn huangxiaowen@ged.com.cn 2. Major accounting data and financial indicators May the company make retroactive adjustment or restatement of the accounting data of the previous years 1 Guangdong Electric Power Development Co., Ltd. Summary of the Semi-Annual Report 2023 √Yes□ No Retroactive adjustment or restatement of causes Accounting policy change Changes of this period over same Same period of last year Reporting period period of Last year(%) Before adjustment After adjustment After adjustment Operating income(Yuan) 28,340,840,884 22,611,239,733 22,611,239,733 25.34% Net profit attributable to the shareholders 856,538,633 -1,375,739,165 -1,371,743,904 162.44% of the listed company(Yuan) Net profit after deducting of non-recurring gain/loss attributable to the shareholders of 849,010,727 -1,399,609,834 -1,395,614,573 160.83% listed company(Yuan) Cash flow generated by business operation, 2,720,370,016 -208,358,510 -208,358,510 1,405.62% net(Yuan) Basic earning per share(Yuan/Share) 0.1631 -0.2620 -0.2613 162.44% Diluted gains per share(Yuan/Share) 0.1631 -0.2620 -0.2613 162.44% Weighted average ROE(%) 3.86% -6.23% -6.21% 10.07% Changed over last As at the end of the As at the end of last year year(%) reporting period Before adjustment After adjustment After adjustment Gross assets(Yuan) 143,012,763,745 131,504,274,884 131,623,802,701 8.65% Net assets attributable to shareholders of 21,153,441,131 20,241,872,479 20,350,293,619 3.95% the listed company(Yuan) Reasons of accounting policy change and correction of accounting errors In 2022, the Ministry of Finance promulgated the Interpretation No.16 of Accounting Standards for Business Enterprises (CS [2022] No.31) (hereinafter referred to as "Interpretation No.16"). Since January 1, 2023, the company has adopted the accounting treatment provisions in Interpretation No.16 that deferred income tax related to assets and liabilities arising from a single transaction is not applicable to initial recognition exemption. For the applicable single transactions that occurred between the beginning of the earliest period of presentation in the financial statements of the first implementation of Interpretation No.16 and its implementation date, the company has made adjustments in accordance with regulations; In case of taxable temporary differences and deductible temporary differences arising from the lease liabilities and right-to-use assets recognized at the beginning of the earliest period of presentation in the financial statements of Interpretation No.16 during its implementation for the first time, the company will adjust the initial retained income and other related financial statement items at the beginning of the earliest period of presentation in the financial statements according to the cumulative impact. 3. Shareholders and shareholding In RMB Total Number of common Number of shareholders of preferred stocks of which shareholders at the end of the 101,889 0 voting rights recovered in the report period(If any) reporting period Shareholdings of Top 10 shareholders Number or share Amount of pledged/frozen Shareholders Proportion Number of Nature of of shares shares held at restricted shares shareholder State of held(%) period -end Amount share held 2 Guangdong Electric Power Development Co., Ltd. Summary of the Semi-Annual Report 2023 State-owned Guangdong Energy Group Co., Ltd. 67.39% 3,538,037,181 1,893,374,517 legal person Guangzhou Development Group Co., State-owned 2.22% 116,693,602 0 Ltd. legal person Guangdong Electric Power State-owned 1.80% 94,367,341 0 Development Corporation legal person ICBC-Bank of Communications Domestic Non- Schroders trend preferred hybrid State owned 0.94% 49,150,299 0 securities investment fund legal person Domestic Zheng Jianxiang 0.50% 26,234,500 0 Natural person VANGUARD TOTAL Overseas Legal INTERNATIONAL STOCK INDEX 0.30% 15,855,512 0 person FUND Overseas Legal HKSCC 0.29% 15,306,333 0 person CHINA INTERNATIONAL CAPITAL Overseas Legal CORPORATION HONG KONG 0.29% 15,216,066 0 person SECURITIES LTD Bank of Communications Co., Ltd- Domestic Non- Yongying long-term value hybrid State owned 0.26% 13,556,677 0 securities investment fund legal person Overseas Legal NOMURA SINGAPORE LIMITED 0.24% 12,599,843 0 person The Third largest shareholder Guangdong Electric Power Development Explanation on associated relationship among the Corporation is the wholly-owned subsidiaries of the largest shareholder aforesaid shareholders Energy Group. These two companies have relationships; whether the other shareholders have relationships or unanimous acting was unknown Explanation on shareholders participating in the margin Not applicable trading business(if any ) 4. Change of the controlling shareholder or the actual controller Change of the controlling shareholder in the reporting period □ Applicable √ Not Applicable There was no any change of the controlling shareholder of the company in the reporting period. Change of the actual controller in the reporting period □ Applicable √ Not applicable There was no any change of the actual controller of the company in the reporting period. 5.Number of preference shareholders and shareholdings of top 10 of them □ Applicable √ Not applicable No preference shareholders in the reporting period 6. Corporate bonds that existed on the date when this Report was authorized for issue √Applicable□ Not applicable (1)Basic information of corporate bonds Bond short Bond balance (Ten Tradin Bond name Bond code Issue day Due day name thousand yuan ) g 3 Guangdong Electric Power Development Co., Ltd. Summary of the Semi-Annual Report 2023 Public Issuance of Corporate Bonds to Qualified Investors in 2020 (Phase I) of Guandong 20 Yudean 149113.SZ April 29,2020 April 29,2023 0 2.45% Electric Power Development 01 Co.,Ltd. Public Issuance of Corporate Bonds to Qualified Investors in 2021 (Phase I) of Guandong 21 Yudean 149369.SZ January 27,2021 January 27,2024 100,000 3.57% Electric Power Development 01 Co.,Ltd. Public Issuance of Corporate Bonds to Qualified Investors in 2021 (Phase II) of Guandong 21Yudean 149418.SZ April 28,2021 April 28,2026 150,000 3.50% Electric Power Development 02 Co.,Ltd. Public Issuance of Corporate Bonds to Professional Investors in 21Yedean 2021 (Phase I) of Guandong 149711.SZ November 24,2021 November 24,2026 80,000 3.41% 03 Electric Power Development Co.,Ltd. Public Issuance of Corporate Bonds to Professional Investors in 21Pinghai 2021 (Phase I) of Guandong 188197.SH June 4,2021 June 5,2023 0 3.57% 01 Huizhou Pinghai Power Generation Co.,Ltd. Public Issuance of Green Corporate Bonds to professional G23 Investors in 2023(Phase 115042.SH March 21,2023 March 21,2028 60,000 3.15% Yuefeng 2 I)(Variety 2) of Guangdong Wind Power Generation Co., Ltd. (2) Financial indicators as of the end of the reporting period In RMBI10,000 Items At the end of the reporting period At the end of last year Debt ratio 79.68% 78.09% Net profit after deducting non-recurring 116,044 -215,202 profit and loss Current ratio 0.65 0.61 Quick ratio 0.54 0.5 Amount of this period Amount of last period At the same time rate of change EBITDATime interest earned ratio 2.06 -1.02 Repayment of debt (%) 100% 100% Payment of interest (%) 100% 100% III. Significant events In the first half of 2023, affected by economic and other factors, the demand for electricity in Guangdong Province rose steadily. From January to June, the electricity consumption of the whole society in Guangdong Province was 382.32 billion kWh, with a year-on-year increase of 7.5%, among which, the electricity consumption of the industry was 319.90 billion kWh, with a year-on-year increase of 7.0%, and the electricity consumption of urban and rural residents was 62.42 billion kWh, with a year-on-year increase of 10.0%. During the reporting period, the company accumulated 53.457 billion kWh of on-grid electricity in consolidated statements, with a year-on-year increase of 15.34%. 4 Guangdong Electric Power Development Co., Ltd. Summary of the Semi-Annual Report 2023 According to the data of Guangdong Electric Power Trading Center, in 2023, the electricity volume for bilateral negotiation transactions in Guangdong Province was 242.65 billion kWh, at an average transaction price of RMB 553.88 per thousand kWh, with a year-on-year increase of 11.44%, and the average price difference + RMB 0.091 per kWh. In the first half of 2023, the average on-grid tariff of the company's consolidated statements was RMB 591.86 per thousand kWh (including tax, the same below), with a year-on- year increase of RMB 49.12 per thousand kWh, or 9.05%. In the first half of 2023, China's overall economic operation rebounded, power demand continued to grow, the company's power generation and on-grid electricity consumption increased steadily, and power generation income increased significantly. Due to the decline in fuel prices, the profitability of the company's thermal power business has recovered, and its new energy business has maintained stable income. The company's overall performance in the first half of 2023 has turned losses into profits. During the reporting period, the company realized a net profit of RMB 856.54 million, with a year-on-year increase of 2,228.28 million. The company realized a net profit attributed to parent company of RMB 207.02 million in coal-fired power business; 254.18 million in gas and electricity business; RMB -23.96 million in hydropower business; RMB 301.46 million in new energy business; and RMB 570.12 million in headquarters investment business. As of the end of June 30,2023, the company has controllable installed capacity of 31.5117 million kilowatts, including holding installed capacity of 29.7639 million kilowatts and equity participation installed capacity of 1.7478 million kilowatts. Including: the holding installed capacity for coal-fired power generation of 20.55 million kilowatts and 69.04%; the holding installed capacity for gas and electricity of 6.392 million kilowatts and21.48% and renewable energy generation like wind power, photovoltaic, hydropower and biomass of 2.8219 million kilowatts and 9.48%.in addition, The entrusted installed capacity of the company for management is 8.854 million kilowatts (including 6.65 million kilowatts of thermal power and 2.204 million kilowatts of hydropower). The above controllable installed capacity and entrusted installed capacity for management totaled 40.0537 million kilowatts. As of the end of June 2023, the company has an installed capacity of 8 million kilowatts of coal and electricity under construction, approximately 5.455 million kilowatts of gas and electricity under construction, approximately 4.42 million kilowatts of new energy under construction, and approximately 11.8 million kilowatts of new energy projects that have been registered and approved. In the future, the company will adhere to new development concepts, continue to promote the optimization and adjustment of power supply structure, actively integrate into the construction of Guangdong Hong Kong Macao Greater Bay Area, Shenzhen Pilot Demonstration Zone, and Guangdong's "One Core, One Belt, One Zone" development, actively respond to China's carbon peak and carbon neutrality "30.60" goals, and vigorously promote the company's energy clean and low-carbon transformation. 5