Summary of The Semi-Annual Report 2023 Stock code: 000037, 200037 Stock abbreviation: Shen Nan Dian A, Shen Nan Dian B Announcement No.: 2023-032 Shenzhen Nanshan Power Co., Ltd. Summary of the Semi-Annual Report 2023 I. Important notes This semi-annual report summary is extracted from the full text of the semi-annual report. In order to fully understand the Company's operating results, financial condition, and future development plans, investors should carefully read the complete semi- annual report through media designated by the China Securities Regulatory Commission. Except director Mr. Sun Huirong was unable to personally attend the Board Meeting to review annual report due to work reasons, authorized director Mr. Huang Qing to attend the meeting and exercise voting rights on his behalf. All other directors attended the Board Meeting for annual report deliberation. Prompt of a modified report □ Applicable Not applicable Proposed profit distribution plan for ordinary shares or the proposal for capitalization of reserves to increase share capital for the reporting period deliberated by the Board of Directors □ Applicable Not applicable The Company plans not to distribute cash dividends, issue bonus shares, or increase share capital through capitalization of reserves. Proposed profit distribution plan for preferred shares for the reporting period resolved by the Board of Directors □ Applicable Not applicable II. Basic information of the Company 1. Company profile Stock name Shen Nan Dian A, Shen Nan Dian B Stock code 000037、200037 Stock exchange Shenzhen Stock Exchange Contact and contact details Secretary of the Board of Directors Securities affairs representative Name Zhou Yi 16th and 17th Floor, Hantang Building, Overseas Office address Chinese Town, Nanshan District, Shenzhen City, Guangdong Province Telephone 0755-26003611 Email investor@nspower.com.cn 2. Main financial data and financial indicators Whether it has retroactive adjustment or re-statement on previous accounting data or not Yes No The reporting period Same period last year Changes YoY 1 Summary of The Semi-Annual Report 2023 Operating revenue (RMB) 271,268,185.05 229,243,542.07 18.33% Net profit attributable to the shareholders of listed -37,240,739.56 -94,098,149.09 60.42% company (RMB) Net profit attributable to shareholders of the listed company after deducting non-recurring profit or -54,877,330.63 -127,505,554.48 56.96% loss (RMB) Net cash flows from operating activities (RMB) -57,016,489.54 200,588,083.30 -128.42% Basic earnings per share (RMB/share) -0.0618 -0.1561 60.41% Diluted earnings per share (RMB/share) -0.0618 -0.1561 60.41% Weighted average rate of return on net assets -2.59% -6.00% Increasing by 3.41% Change compared to At the end of the At the end of last year the end of the previous reporting period year. Total assets (RMB) 1,982,518,782.62 2,606,216,345.99 -23.93% Net assets attributable to shareholders of the listed 1,418,108,591.22 1,455,129,894.84 -2.54% company (RMB) 3. Number of shareholders and shareholding ratios Unit: share Total number of preferred Total number of ordinary shareholders at shareholders with restored voting 78,421 0 the end of the reporting period. rights at the end of the reporting period (if applicable) Shareholding by the top 10 shareholders Number of Pledge, marking or freezing shares held Shareholder Shareholding Number of Shareholder name under nature ratio shares held Share status Quantity restricted conditions HONG KONG NAM HOI Foreign legal 15.28% 92,123,248 (INTERNATIONAL) person LTD. Shenzhen Guangju State-owned 12.22% 73,666,824 Industrial Co., Ltd. legal person Shenzhen Energy State-owned 10.80% 65,106,130 Group Co., Ltd. legal person BOCI Foreign legal SECURITIES 2.34% 14,104,038 person LIMITED Domestic Zeng Ying 1.19% 7,159,600 natural person China Merchants Foreign legal Securities (Hong Kong) 0.90% 5,425,628 person Co., Ltd. Domestic Meiyi Investment and non-state- 0.87% 5,223,200 Property Co., Ltd. owned legal person Haitong Foreign legal 0.65% 3,908,357 International person 2 Summary of The Semi-Annual Report 2023 Securities Company Limited-Account Client Domestic Huang Yilong 0.64% 3,866,500 natural person Domestic Li Baoqin 0.51% 3,048,150 natural person 1. Shenzhen Energy Group Co., Ltd., holds 100% equity of the HONG KONG NAM Association or concerted action of the HOI (INTERNATIONAL) LTD. above shareholders 2. The Company does not know whether the above-mentioned other public shareholders have any association or are persons acting in concert. Shareholders participating in margin financing and securities lending business None (if any) 4. Changes in the controlling shareholder or actual controller Changes in controlling shareholders during the reporting period □ Applicable Not applicable There was no change in the controlling shareholder of the Company during the reporting period. Changes in actual controller during the reporting period □ Applicable Not applicable There was no change in the actual controller of the Company during the reporting period. 5. Total number of preferred shareholders of the Company and shares held by top 10 preferred shareholders □ Applicable Not applicable The Company had no preferred shareholders during the reporting period. 6. Bonds as of the approval date of the semi-annual report □ Applicable Not applicable III. Important matters During the reporting period, the Company did not have any matters that had a significant impact on the Company's operation. For other important matters, please refer to the full text of the semi-annual report 2023 of the Company. 3