Temporary Management Report on the Change of Accounting Firm of Changjiang Securities Co., Ltd.

Important Statement

This report is prepared by Huayuan Securities Co., Ltd. (hereinafter referred to as "Huayuan Securities" or "Trustee Manager") based on the "Measures for the Administration of Corporate Bond Issuance and Trading" and the "Code of Conduct for Corporate Bond Trustee Managers." It pertains to the corporate bonds issued by Changjiang Securities Co., Ltd. (hereinafter referred to as "Issuer" or "Company") and the trustee management agreement signed with the trustee manager, along with other relevant disclosure documents and explanations provided by the issuer. The content and information in this report are sourced from materials or explanations provided by the issuer. This report does not constitute a recommendation for investors to take or refrain from any action; investors should make independent judgments regarding related matters and should not rely on any content in this report as a commitment or statement made by Huayuan Securities. Under no circumstances may this report be used for any other purpose without the written permission of Huayuan Securities.

Major Matters

According to the announcements disclosed by the issuer's board of directors and shareholders' meeting resolutions, the significant matters are as follows:

1. Basic Information on the Change of Accounting Firm

1. Institution Information

   1. Basic Information
      • Institution Name: Rongcheng Accounting Firm (Special General Partnership)
      • Establishment Date: Rongcheng Accounting Firm was renamed from the original Huapu Tianjian Accounting Firm (Special General Partnership), which was initially established in August 1988 and restructured into a special general partnership on December 10, 2013. It is one of the earliest accounting firms authorized to engage in securities services in China and has long been involved in securities services.
      • Organizational Form: Special General Partnership
      • Registered Address: 10th Floor, Building 1, No. 22 Fuchengmen Outer Street, Xicheng District, Beijing
      • Chief Partner: Liu Wei
      • As of the end of 2025, Rongcheng Accounting Firm has 233 partners and 1,507 registered accountants, of which 856 have signed audit reports for securities services.
      • Total audited revenue for 2024 was 2,510,258,000 yuan, including audit service revenue of 2,348,629,400 yuan and securities and futures service revenue of 1,237,645,800 yuan.
      • In 2024, the firm audited 518 listed company clients, mainly in manufacturing, information transmission, software and IT services, wholesale and retail, scientific research and technical services, construction, water conservancy, environmental and public facility management, etc., with audit fees totaling 620,475,200 yuan. The issuer has 5 listed company audit clients in the same industry.

2. Investor Protection Capability
   Rongcheng Accounting Firm has purchased professional liability insurance for registered accountants, with a cumulative compensation limit of no less than 250 million yuan, and the purchase of professional insurance complies with relevant regulations.