公告日期：2025-10-30

Stock code: 000570、200570 Stock name: Changchai, Changchai B Announcement Number: 2025-043
CHANGCHAI COMPANY, LIMITED

Quarterly Report for the Third Quarter Ended 30 September 2025

The company and all members of the board of directors guarantee that the information disclosed is true,

accurate, and complete, without false records, misleading statements, or significant omissions.

Important Notes:

1. The Board of Directors, the Board of Supervisors, as well as all directors, supervisors and senior management
members guarantee the truthfulness, accuracy and completeness of the quarterly report, and affirm that there are
no false records, misleading statements or material omissions, and assume individual and joint legal liabilities.

2. The principal of the Company, the person in charge of accounting work, and the head of the accounting

function (the accountant in charge) hereby declare: we guarantee the truthfulness, accuracy and completeness of
the financial information in the quarterly report.

3. Whether the quarterly financial report is audited.

□Yes No

I. Key Financial Information

1. Major Accounting Data and Financial Indicators

Whether the Company Needs to Retrospectively Adjust or Restate Prior Years' Accounting Data

□Yes No

For the Period

1 January to 30 Change from the from the Year-to-Date

September 2025 Prior-Year Period Beginning of the Change from the
Year to the Prior-Year Period
Report Date

Operating revenue 501,193,579.88 8.47% 2,062,380,205.71 5.33%
(RMB)
Net profit attributable to

the listed company’s -28,933,980.40 —— 44,488,834.29 -4.03%
shareholders (RMB)
……
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