Securities Code: 001333 Securities Abbreviation: Guanghua Shares Announcement Number: 2026-015 Zhejiang Guanghua Technology Co., Ltd. Announcement on the Proposed Re-engagement of the 2026 Accounting Firm The Company and all members of the Board of Directors guarantee the truthfulness, accuracy, and completeness of the information disclosed, and that there are no false records, misleading statements, or material omissions. Special Notice: The proposed re-engagement of the accounting firm complies with the "Administrative Measures for the Selection of Accounting Firms by State-owned Enterprises and Listed Companies" (Cai Kuai [2023] No. 4) issued by the Ministry of Finance, the State-owned Assets Supervision and Administration Commission of the State Council, and the China Securities Regulatory Commission. Zhejiang Guanghua Technology Co., Ltd. (hereinafter referred to as the "Company") held the 18th meeting of the Third Board of Directors on April 20, 2026, and deliberated and passed the "Proposal on the Proposed Re-engagement of the 2026 Accounting Firm." The Company proposes to re-engage Tianjian Certified Public Accountants (Special General Partnership) (hereinafter referred to as "Tianjian Accounting Firm") as the Company's auditor for 2026, to undertake the Company's audit, capital verification, and other statutory certified public accountant services for 2026. This matter is subject to the approval of the Company's shareholders' meeting. The specific situation is hereby announced as follows: I. Basic Information on the Re-engagement of the Accounting Firm (I) Firm Information
- Basic Information Firm Name Tianjian Certified Public Accountants (Special General Partnership) Date of Establishment July 18, 2011 Organizational Form Special General Partnership Registered Address No. 128 Xixi Road, Lingyin Street, Xihu District, Hangzhou, Zhejiang Province Managing Partner Zhong Jianguo Number of Partners at Year-End 250 Number of Practicing Personnel at Year-End Certified Public Accountants 2,363 Number Certified Public Accountants who have signed audit reports on securities service businesses 954 Total Business Revenue 29.88 billion yuan 2025 (Audited) Business Revenue Audit Revenue 26.01 billion yuan Securities Business Revenue 15.47 billion yuan Number of Clients 756 2024 Listed Company (A, B Shares) Audit Situation Total Audit Fees 7.35 billion yuan Main Industries Served Manufacturing, Information Transmission, Software and Information Technology Services, Wholesale and Retail Trade, Water Conservancy, Environmental Protection and Public Facility Management, Electricity, Heat, Gas and Water Production and Supply, Scientific Research and Technical Services, Leasing and Business Services, Finance, Real Estate, Transportation, Warehousing and Postal Services, Mining, Agriculture, Forestry, Animal Husbandry and Fishery, Culture, Sports and Entertainment, Construction, Comprehensive, Accommodation and Catering, Health and Social Work, etc. Number of audit clients of listed companies in the same industry as the Company 578
- Investor Protection Capability Tianjian Certified Public Accountants (Special General Partnership) has a good investor protection capability and has accrued professional risk funds and purchased professional insurance in accordance with relevant laws and regulations. As of the end of 2025, the cumulative compensation limit of accrued professional risk funds and purchased professional insurance has exceeded 200 million yuan. The accrual of professional risk funds and the purchase of professional insurance comply with the relevant regulations of the Ministry of Finance regarding the "Administrative Measures for the Professional Risk Funds of Accounting Firms." Tianjian has been involved in civil litigation related to its professional conduct in the past three years, and has been held liable in civil litigation related to its professional conduct. The following is a summary of cases where Tianjian was ordered to bear civil liability in civil litigation related to its professional conduct in the past three years: Plaintiff Defendant Case Time Major Case Description Litigation Progress Investor Huayi Electric Power, China Securities, Tianjian March 6, 2024 As the auditor for Huayi Electric Power's 2017 and 2019 annual reports, Tianjian was listed as a co-defendant in subsequent securities misrepresentation litigation due to Huayi Electric Power's alleged financial fraud, seeking joint and several liability for compensation. Concluded (Tianjian Accounting Firm is liable for compensation within 5% of Huayi Electric Power's liability) Accounting Firm Joint and Several Liability for Compensation Joint liability, Tianjian Accounting Firm has fulfilled the judgment on time. The above cases have been concluded, and Tianjian Accounting Firm has fulfilled the final judgment on time, which will not have any adverse impact on the Firm's performance capability.
- Integrity Record In the past three years (January 1, 2023, to December 31, 2025), Tianjian Certified Public Accountants (Special General Partnership) has received 4 administrative penalties, 17 supervisory measures, 13 self-regulatory measures, and 5 disciplinary actions for its professional conduct, with no criminal penalties. Over the past three years, 112 practitioners have received 15 administrative penalties, 63 supervisory measures, 42 self-regulatory measures, and 23 disciplinary actions for their professional conduct, with no criminal penalties. II. Project Information (I) Basic Information Project Team Member Name When Became a Certified Public Accountant When Started Auditing Listed Companies When Started Practicing at the Firm When Started Providing Audit Services to the Company Number of Listed Company Audit Reports Signed or Reviewed in the Past Three Years Project Partner Chen Caiqin 2006 2004 2006 2024 Signed or Reviewed Over 10 Listed Company Audit Reports Signing Certified Public Accountant Zou Shumei 2021 2016 2021 2024 Signed or Reviewed 3 Listed Company Audit Reports Project Quality Control Reviewer Ni Kankai 2002 2000 2002 2022 Signed or Reviewed 5 Listed Company Audit Reports