Stock Abbreviation：Yue Dian Li A ,Yue Dian Li B Stock Code：000539,200539 Announcement No.:2026-63 Corporate bond code: 149711 Abbreviation of corporate bond: 21 Yudean 03 Guangdong Electric Power Development Co., Ltd. The Third Quarterly Report 2026 The Company and its directors hereby guarantee that the content of information disclosure is real, accurate, complete and free from any false record, misleading representation or material omissions. Important content reminder: 1. The Directors and the Board of Directors, and Senior Management of the Company guarantee that there are no significant omissions, fictitious or misleading statements carried in the Report and we will accept individual and joint responsibilities for the truthfulness, accuracy and completeness of the Report. 2. The Company leader, Chief financial officer , the person in charge of the accounting department (the person in charge of the accounting )hereby confirm the authenticity and completeness of the financial report enclosed in this report. 3. Whether the Third Quarterly Financial Report has been audited or not □Yes √No I. Main financial data (I) Main accounting data and financial indexes Whether it has retroactive adjustment or re-statement on previous accounting data or not □Yes √No Changes of this Year-begin to period- Changes of this This period period over same end period over same period of last year Before adjustment period of last year （％） （％） Operating revenue 16,519,091,359 13.33% 42,852,176,983 13.61% （Yuan） Net profit attributable to the shareholders of the listed -1,009,860,040 -283.12% -1,555,641,446 -366.41% company（Yuan） Net profit after deducting of non-recurring gain/loss attributable to the -1,011,083,999 -289.97% -1,652,316,513 -423.75% shareholders of listed company（Yuan） Net cash generated from /used in operating activities — — 8,499,973,855 25.19% （Yuan） Basic earning per -0.1923 -283.12% -0.2963 -366.41% share(Yuan/Share) Diluted gains per -0.1923 -283.12% -0.2963 -366.41% share(Yuan/Share) Weighted average return on -4.54% -6.92% -6.88% -9.40% equity（%） End of this period End of last period Increase/decrease at the period-end compared with the end of the previous year Gross assets（Yuan） 187,319,523,697 186,034,251,274 0.69% Net assets attributable to the shareholders of the 21,775,425,329 23,444,357,218 -7.12% listed company（Yuan） （II)Items and amount of non-current gains and losses √ Applicable □ Not applicable In RMB Item This period Amount from year-begin Notes to period -end Mainly due to the income from the Non-current asset disposal disposal of ash silos and land of the gain/loss(including the write- Red Bay Power plant, as well as off part for which assets -6,666,651 6,60