Changchai Company, Limited Interim Report 2022 (Summary) Stock Code: 000570, 200570 Stock Name: Changchai, Changchai-B Announcement No. 2022-041 CHANGCHAI COMPANY, LIMITED INTERIM REPORT 2022 (SUMMARY) Part I Important Notes This Summary is based on the full Interim Report of Changchai Company, Limited (together with its consolidated subsidiaries, the “Company”, except where the context otherwise requires). In order for a full understanding of the Company’s operating results, financial condition and future development plans, investors should carefully read the aforesaid full text, which has been disclosed together with this Summary on the media designated by the China Securities Regulatory Commission (the “CSRC”). All the Company’s directors have attended the Board meeting for the review of this Report and its summary. Independent auditor’s modified opinion: □ Applicable √ Not applicable Board-approved interim cash and/or stock dividend plan for ordinary shareholders: □ Applicable √ Not applicable The Company has no interim dividend plan, either in the form of cash or stock. Board-approved interim cash and/or stock dividend plan for preference shareholders: □ Applicable √ Not applicable This Report and its summary have been prepared in both Chinese and English. Should there be any discrepancies or misunderstandings between the two versions, the Chinese versions shall prevail. Part II Key Corporate Information 1. Stock Profile Changchai, Stock name Stock code 000570, 200570 Changchai-B Stock exchange Shenzhen Stock Exchange Contact information Board Secretary Securities Representative Name He Jianjiang 123 Huaide Middle Road, Office address Changzhou, Jiangsu, China Tel. (86)519-68683155 E-mail address cchjj@changchai.com 1 Changchai Company, Limited Interim Report 2022 (Summary) 2. Key Financial Information Indicate by tick mark whether there is any retrospectively restated datum in the table below. □ Yes √ No H1 2022 H1 2021 Change (%) Operating revenue (RMB) 1,178,222,492.04 1,497,170,455.80 -21.30% Net profit attributable to the listed -14,595,269.61 129,189,065.60 —— company’s shareholders (RMB) Net profit attributable to the listed company’s shareholders before -5,809,360.07 27,160,414.58 —— exceptional gains and losses (RMB) Net cash generated from/used in operating -74,300,501.12 -92,554,120.06 —— activities (RMB) Basic earnings per share (RMB/share) -0.0207 0.2301 —— Diluted earnings per share (RMB/share) -0.0207 0.2301 —— Weighted average return on equity (%) -0.48% 5.51% -5.99% 30 June 2022 31 December 2021 Change (%) Total assets (RMB) 4,956,058,838.71 4,860,382,961.26 1.97% Equity attributable to the listed company’s 2,994,802,512.99 3,077,550,018.33 -2.69% shareholders (RMB) 3. Shareholders and Their Holdings as at the end of the Reporting Period Unit: share Number of preference Number of ordinary shareholders 57,434 shareholders with resumed 0 voting rights (if any) Top 10 shareholders Sharehold Shares in pledge, Nature of ing Number of Restricted marked or frozen Name of shareholder shareholder percentag shares shares Status Shares e Changzhou Investment State-owned 32.26% 227,663,417 56,818,181 Group Co., Ltd legal person Domestic Chen Jian natural 0.70% 4,952,045 person China National Gold State-owned Group Asset 0.45% 3,200,000 corporation Management Co., Ltd. Foreign legal KGI ASIA LIMITED 0.44% 3,101,695 person Domestic Yao Jianquan natural 0.24% 1,699,954 person China Minsheng Bank-Goldstate Yuanqi Dynamic Other 0.22% 1,579,173 Asset Allocation Mixed Type Securities Investment Fund Domestic Li Suinan 0.22% 1,569,100 natural 2 Changchai Company, Limited Interim Report 2022 (Summary) person Domestic Huang Guoliang natural 0.22% 1,528,891 person Domestic Su Zhenxing natural 0.21% 1,490,393 person Domestic Lu Zhang natural 0.19% 1,370,112 person It is unknown whether there is among the top 10 public shareholders Related or acting-in-concert parties and the top 10 unrestricted public shareholders any related parties or among the shareholders above acting-in-concert parties as defined in the Administrative Measures for Information Regarding Shareholding Alteration. Shareholders Chen Jian and Yao Janquan held 3,380,000 and Shareholders involved in securities 1,699,954 shares respectively in the Company through their margin margin trading (if any) accounts. 4. Change of the Controlling Shareholder and the De Facto Controller in the Reporting Period Change of the controlling shareholder in the Reporting Period: □ Applicable √ Not applicable The controlling shareholder remained the same in the Reporting Period. Change of the de facto controller in the Reporting Period: □ Applicable √ Not applicable The de facto controller remained the same in the Reporting Period. 5. Number of Preference Shareholders and Shareholdings of Top 10 of Them No preference shareholders in the Reporting Period. 6. Outstanding Bonds at the Date when this Report Was Authorized for Issue □ Applicable √ Not applicable Part III Significant Events The Sixth Extraordinary Meeting of the Board of Directors in 2021 held by the Company on 28 October 2021 deliberated on and approved the Proposal on Participation in Bidding for 41.5% Equity Interests in Zhenjiang Siyang Diesel Engine Manufacturing Co., Ltd., authorizing the Management of the Company to participate in bidding for 41.5% equity interest in Zhenjiang Siyang Diesel Engine Manufacturing Co., Ltd. (hereinafter referred to as "Zhenjiang Siyang") that had been put out for sale by Jiangsu Keda Assets Marketing Co., Ltd. (hereinafter, “Keda Assets”). On 12 January 2022, Jiangsu Assets and Equity Exchange Co., Ltd. issued the Confirmation of Transaction on the Transfer of 41.5% Equity Interests (Corresponding to Capital Contribution 3 Changchai Company, Limited Interim Report 2022 (Summary) of RMB830,000) in Zhenjiang Siyang Diesel Engine Manufacturing Co., Ltd. The Company won the bid for the 41.5% equity interests in Zhenjiang Siyang at a price of RMB33,520,800.00. On 23 February 2022, the Company signed the Contract on Transfer of State-owned Property Rights with Keda Assets. On 9 March 2022, Zhenjiang Siyang has completed the relevant registration alteration formalities with the competent industrial and commercial administration. On 16 May 2022, Zhenjiang Siyang held meetings of shareholders, the Board of Directors and the Supervisory Committee to elect and appoint new members for the Board of Directors, the Supervisory Committee and management. Zhenjiang Siyang has been included in the consolidated financial statements of the Company. 4