Chongqing Jianshe Vehicle System Co., Ltd. Summary of the Semi-Annual Report 2024 Stock code: 200054 Stock Abbreviation: Jianshe Vehicle B Announcement No.: 2024-070 Chongqing Jianshe Vehicle System Co., Ltd. Summary of the Semi-Annual Report 2024 1 Chongqing Jianshe Vehicle System Co., Ltd. Summary of the Semi-Annual Report 2024 1. Important notes This summary of the Semi-Annual Report is quoted out of the full text of the 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. All the directors attended the board meeting for the review of this Report. 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 Jianshe Vehicle B Stock code 200054 Stock exchange for listing Shenzhen Stock Exchange Abbreviations for stocks before Shen Jianmo, Jianmo B change( If any) Contact person and contact manner Board secretary Securities affairs Representative Name Zhang Hushan Li Wenling No.1 Jianshe Road, Huaxi Industrial Zone, No.1 Jianshe Road, Huaxi Industrial Office address Ba’nan District , Chongqing Zone, Ba’nan District , Chongqing Tel 023-66295333 023-66295333 E-mail cqjsmc@jianshe.com.cn cqjsmc@jianshe.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 □ Yes √ No Reporting period Same period of last year YOY+/-(%) Operating income(Yuan) 280,297,449.10 216,587,683.76 29.42% Net profit attributable to the shareholders of the -25,359,708.18 -43,310,678.15 41.45% listed company(Yuan) Net profit after deducting of non-recurring gain/loss attributable to the shareholders of listed -25,692,433.90 -44,554,814.82 42.34% company(Yuan) Cash flow generated by business operation, net 48,100,457.25 20,778,778.36 131.49% (Yuan) Basic earning per share(Yuan/Share) -0.2124 -0.3628 41.46% Diluted gains per share(Yuan/Share) -0.2124 -0.3628 41.46% Weighted average ROE(%) -80.56% -48.16% -32.40% As at the end of the As at the end of last YOY+/-(%) reporting period year Gross assets (Yuan) 850,351,401.27 872,186,552.37 -2.50% Shareholders’ equity attributable to shareholders 19,287,020.74 43,673,039.41 -55.84% of the listed company(Yuan) 2 Chongqing Jianshe Vehicle System Co., Ltd. Summary of the Semi-Annual Report 2024 3.Shareholders and shareholding In Shares Total Number of common shareholders at the At the end of the report period, Number of shareholders of preferred stocks of 6,144 0 end of the reporting period which voting rights recovered(If any) Shareholdings of Top 10 shareholders s (Excludes shares lent through refinancing) Number or share Shareholders Proportion of Number of shares Amount of restricted shares pledged/frozen Nature of shareholder shares held(%) held at period -end Amou held State of share nt China Military Equipment Group Co., Ltd. State-owned legal person 71.13% 84,906,250 84,906,250 Not applicable 0 Gu Zuocheng Domestic natural person 1.89% 2,261,000 2,218,750 Not applicable 0 Anhui Hengsheng Investment Development Domestic non-state- 1.47% 1,750,000 1,750,000 Not applicable 0 Co., Ltd. owned legal person Zhonghui Futong Investment Co.,Ltd. Overseas Legal person 1.12% 1,336,975 0 Not applicable 0 Liu Dan Domestic natural person 0.74% 879,376 0 Not applicable 0 Li Jianping Domestic natural person 0.58% 697,700 0 Not applicable 0 CORE PACIFIC-YAMAICHI Overseas Legal person 0.57% 680,650 0 Not applicable 0 INTERNATIONAL (H.K.) LIMITED Chen Xinqiang Domestic natural person 0.51% 612,400 0 Not applicable 0 Chen Houping Domestic natural person 0.47% 558,200 0 Not applicable 0 Feng Yonghui Domestic natural person 0.42% 500,000 500,000 Not applicable 0 Among the top 10 shareholders, China Military Equipment Group Co., Ltd. and Zhonghui Futong Investment Explanation on associated relationship among the aforesaid shareholders Co., Ltd. are acting in concert, and it’s unknown whether the remaining shareholders are related to each other, nor are they persons acting in concert as stipulated in the Administrative Measures for the Acquisition of Listed Companies. Explanation on shareholders participating in the margin trading business(if Not applicable any ) 3 Chongqing Jianshe Vehicle System Co., Ltd. Summary of the Semi-Annual Report 2024 Information of shareholders holding more than 5% of the shares, the top 10 shareholders and the top 10 shareholders of unrestricted tradable shares participating in the lending of shares in securities lending and borrowing business □Applicable Not applicable The top 10 shareholders and the top 10 shareholders of unrestricted tradable shares have changed compared with the previous period due to the securities lending/returning, □Applicable Not applicable 4.Changing of controlling shareholder and practical controller of the Company. Change of holding shareholder □ Applicable √ Not applicable No change of holding shareholder in the report period. Change of substantial controller □ Applicable √ Not applicable No change of substantial controller in the report 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 III. Significant events On May 25,2024, The Company received a notice from the controlling shareholder China Military Equipment Group Co., Ltd. that in order to promote the construction of the automobile industry ecosystem, further strengthen the professional management of the auto parts industry, and promote the development of the automotive thermal management industry cluster, China Military Equipment Group Co., Ltd. intends to transfer 84,906,250 shares of the Company's state-owned legal person shares-accounting for 71.13% of the Company's total share capital-to China Changan Automobile Group by free of charge. for details, please refer to the Company's Announcements No.:2024-041 on May 27, 2024. 4