2025 Report on the Performance of Supervisory Responsibilities of the Accounting Firm by the Audit Committee of the Board of Directors
Hangzhou Botuo Biotechnology Co., Ltd.
In 2025, the Audit Committee of the Board of Directors will perform supervisory duties on the accounting firm.
situation report
In accordance with the provisions of relevant normative documents such as the "Company Law of the People's Republic of China", the Securities Law of the People's Republic of China, the "Administrative Measures for the Selection of Accounting Firms by State-owned Enterprises and Listed Companies" and the "Self-Regulatory Guidelines for Companies Listed on the Science and Technology Innovation Board of the Shanghai Stock Exchange No. 1 - Standardized Operations" and other relevant normative documents, as well as the relevant provisions of the company's "Audit Committee Work Procedures", the 2025 Board of Directors Audit Committee of Hangzhou Botuo Biotechnology Co., Ltd. (hereinafter referred to as the "Company") is hereby reported on the performance of supervision responsibilities of the accounting firm in 2025 as follows:
1. Basic situation of accounting firms in 2025 annual audit
(1) Basic information of accounting firms
Firm name Zhonghui Accounting Firm (Special General Partnership)
Date of establishment December 19, 2013 Organizational form Special general partnership Registered address Room 601, Building A, Hualian Times Building, No. 8 Xinye Road, Jianggan District, Hangzhou
Chief Partner Gao Feng Number of partners at the end of the previous year 117
Practicing personnel at the end of the previous year Certified Public Accountants (person) 688
Number of certified public accountants who have signed audit reports on securities services business (person) 312
Total business income (audited) 1,004.57 million yuan Business income in 2025 Audit business income (audited) 872.29 million yuan Securities business income (audited) 472.91 million yuan Number of audit clients 205 Total audit fees 169.63 million yuan (1) Manufacturing-electrical machinery and equipment manufacturing industry;
(2) Manufacturing - computers, communications and other electronic equipment listed companies in 2024
Manufacturing;
(Including A and B shares) review
Main industries involved (3) Information transmission, software and information technology services industry - software accounting situation
software and information technology services industry;
(4) Manufacturing industry-special equipment manufacturing industry;
(5) Manufacturing industry-pharmaceutical manufacturing industry.
Number of audit clients of listed companies in the same industry of our company: 15
(2) Procedures for appointing an accounting firm
The company held the 20th meeting of the third board of directors on April 24, 2025, and the 2024 annual shareholders' meeting on May 16, 2025, reviewed and approved the "Proposal on Re-appointment of the Accounting Firm", and agreed to hire Zhonghui Accounting Firm (Special General Partnership) (hereinafter referred to as "Zhonghui Accounting Firm") as the company's 2025 audit agency. The Audit Committee of the Board of Directors conducted a prior review of the renewal matter and issued a clear approval opinion.
2. The audit committee’s performance of supervisory responsibilities over the accounting firm
According to the company's "Working Rules of the Audit Committee of the Board of Directors" and other relevant regulations, the audit committee's performance of supervision responsibilities over the accounting firm is as follows:
(1) The Audit Committee conducted a strict review and evaluation of Zhonghui Accounting Firm’s professional qualifications, business capabilities, integrity status, independence, past audit work and quality of practice, etc., and believed that it has the qualifications and professional capabilities to provide audit work for the company and can meet the company’s audit work requirements. On April 14, 2025, the 12th meeting of the Audit Committee of the third board of directors reviewed and approved the "Proposal on Re-appointment of the Accounting Firm", agreed to renew the appointment of Zhonghui Accounting Firm as the company's 2025 annual financial report and internal control audit agency, and agreed to submit it to the board of directors for review.
(2) On January 30, 2026, the Audit Committee held an on-site communication meeting with the certified public accountants and project managers responsible for the company’s audit work, and conducted in-depth communication on the preliminary pre-review status of the 2025 audit work, such as audit scope, important time nodes, personnel arrangements, audit focus and other related matters. Members of the Audit Committee listened to Zhonghui Accounting Firm’s report on the company’s audit plan, risk judgment and other important matters, and requested that the 2025 audit work be done well on the principle of fully ensuring field audit time and audit quality.
(3) On April 8, 2026, the Audit Committee conducted post-preliminary audit communication with the certified public accountant and project manager responsible for the company’s audit work, and communicated on the basic situation of the 2025 audit, basic data after verification, preliminarily determined key audit matters, overall audit conclusions and other related matters.
(4) On April 13, 2026, the sixth meeting of the Audit Committee of the fourth session of the Board of Directors of the company was held on-site and through communication. The company reviewed and approved the company’s 2025 annual report, financial final accounts report, internal control evaluation report and other proposals and agreed to submit them to the board of directors for review.
3. Overall evaluation
The Company's Audit Committee strictly abides by the relevant regulations of the China Securities Regulatory Commission, the Shanghai Stock Exchange, the Articles of Association, the Working Procedures of the Audit Committee of the Board of Directors, etc., gives full play to the role of the professional committee, reviews the relevant qualifications and professional capabilities of the accounting firm, conducts full discussions and communication with the accounting firm during the annual report audit, urges the accounting firm to issue audit reports in a timely, accurate, objective and fair manner, and effectively performs the audit committee's supervision responsibilities over the accounting firm.
Audit Committee of the Board of Directors of Hangzhou Botuo Biotechnology Co., Ltd.
April 23, 2026 (This page has no text and is the signature page of the "Report on the Performance of Supervisory Responsibilities of the Accounting Firm by the Audit Committee of the Board of Directors of Hangzhou Botuo Biotechnology Co., Ltd. in 2025")
Audit Committee members (signature):
Chen Yinlong Wang Liang Duan Jianping
Date: April 23, 2026