Shenzhen Topband Co., Ltd. Semi-annual Report 2026 Semi-annual ReportShenzhen Topband Co., Ltd. Stock code August 2026 Topband Section I Important Notes, Contents and Definitions The Board of Directors, directors, and senior executives of the Company hereby assure that the content set out in the Semi-annual Report is true, accurate and complete. It shall be free from false records, misleading statements or major omissions, and shall bear individual and joint legal liabilities therein. Wu Yongqiang, Chairman of the Company, and Luo Muchen, the person in charge of accounting work and head of the accounting department (accounting supervisor), hereby declare that: the data disclosed in financial reports of the Semi-annual Report is true, accurate and complete. All directors have attended the Board Meeting at which this Semi-annual Report was scrutinized. Forward-looking statements such as future plans and development strategies covered in the Report involve uncertainties, so they do not represent the Company's profit forecasts, nor are they regarded as the substantive commitment to investors. The Company is not faced with significant risks affecting its financial position and sustainable profitability, but may be with such risks as adverse effects on business confidence and investment due to trade frictions and geopolitical tensions, technology upgrading, fluctuations in the prices of raw materials, fluctuations in exchange rates, and customer credit risks. For more detailed risk information, please see "Risks faced by the Company and countermeasures" in Section III of the Report. Investors are kindly requested to be alert to investment risks. The Company plans not to pay cash dividend, to issue bonus shares, or to increase the share capital by capital reserve. The Report is prepared in Chinese and translated into English. Should there be any discrepancies or misunderstandings between the two versions, the Chinese version shall prevail. Contents Section I Important Notes, Contents and Definitions...... 2 Section II Company Profile and Primary Financial Indicators......7 Section III Management Discussion and Analysis...... 11 Section IV Corporate Governance, Environment and Society...... 43 Section V Important Matters......48 Section VI Share Change and Shareholders......56 Section VII Relevant Information of Bonds......62 Section VIII Financial Report......63 Directory of documents for future reference I. Accounting statements containing the signatures and seals of the legal representative, the finance chief and the accounting department head. II. The originals of all the company documents publicly disclosed in newspapers designated by the CSRC during the Reporting Period and the original manuscripts of announcements. III. Original copy of the Semi-annual Report 2026 bearing the signature of the Chairman. All the above documents are ready and complete, and are available for reference at the office of the Board of Directors of the Company. Interpretations Terms Contents Company, the Company, or Refer to Shenzhen Topband Co., Ltd. Topband RMB, RMB ten thousand, and Refer to RMB, RMB ten thousand, and RMB hundred million RMB hundred million CSRC Refer to China Securities Regulatory Commission Exchange Refer to Shenzhen Stock Exchange Reporting Period Refer to From January 1, 2026 to June 30, 2026 Articles of Association Refer to The Articles of Association of Shenzhen Topband Co., Ltd. Huizhou Topband Refer to Huizhou Topband Electrical Technology Co., Ltd. YAKO Automation Refer to Shenzhen YAKO Automation Technology Co., Ltd. Allied Refer to Shenzh