Announcement on Changes to Accounting Policies

Securities Code: 002298 Securities Abbreviation: Chindn-Xlong Serial Number: 2026-007 Anhui Chindn-Xlong Technology Co., Ltd. Announcement on Changes to Accounting Policies The Company and the entire Board of Directors guarantee that the information disclosed in this announcement is true, accurate, and complete, and that there are no false records, misleading statements, or material omissions. I. Overview of Changes to Accounting Policies (I) Reason and Date of Change On December 5, 2025, the Ministry of Finance issued "Accounting Standards Interpretation No. 19" (Cai Kuai [2025] No. 32) (hereinafter referred to as "Interpretation 19"), which stipulates that the accounting treatment for compensatory assets in business combinations not under common control, the accounting treatment for capital reserves related to the disposal of subsidiaries acquired through business combinations under common control, the derecognition of financial liabilities settled through electronic payment systems, the assessment of financial asset contractual cash flow characteristics and related disclosures, and the disclosure of equity instruments designated at fair value through other comprehensive income will be implemented from January 1, 2026. In accordance with the above accounting standards interpretation, the Company needs to adjust its relevant accounting policies, and will implement the above enterprise accounting standards from January 1, 2026. (II) Accounting Policies Adopted Before t