2025 Annual Report on the Performance Evaluation of the Accounting Firm

Shanghai Weihong Electronics Co., Ltd.

2025 Annual Report on the Performance Evaluation of the Accounting Firm

Shanghai Weihong Electronics Co., Ltd. engaged Rongcheng Certified Public Accountants (Special General Partnership) (hereinafter referred to as "Rongcheng Firm") as the company's auditor for the 2025 annual report. In accordance with the "Measures for the Selection of Accounting Firms by State-owned Enterprises and Listed Companies" promulgated by the Ministry of Finance, the State-owned Assets Supervision and Administration Commission, and the China Securities Regulatory Commission, the company evaluated Rongcheng Firm's performance in the 2025 annual audit. After evaluation, the company believes that Rongcheng Firm's qualifications are compliant and effective, its performance maintained independence, diligence, and provided a fair opinion. The specific situation is as follows:

I. Qualification Conditions

1. Basic Information Rongcheng Certified Public Accountants (Special General Partnership) was formerly known as Huapu Tianjian Certified Public Accountants (Special General Partnership). It was initially established in August 1988 and was restructured into a special general partnership enterprise on December 10, 2013. It is one of the earliest accounting firms approved to engage in securities service business in China and has long been engaged in securities service business. Its registered address is Units 901-22 to 901-26, China International Economic and Trade Tower, No. 22 Fuchengmen Outer Street, Xicheng District, Beijing. The chief partner is Liu Wei.

2. Personnel Information As of December 31, 2025, Rongcheng Certified Public Accountants had 233 partners and 1,507 certified public accountants, of whom 856 had signed audit reports for securities service businesses.

3. Business Scale The total revenue of Rongcheng Certified Public Accountants in 2024, as audited, was RMB 2,510.258 million, of which audit service revenue was RMB 2,348.6294 million and securities and futures service revenue was RMB 1,237.6458 million. Rongcheng Certified Public Accountants undertook the 2024 annual report audit for 518 listed companies, with a total audit fee of RMB 620.4752 million. Its clients are mainly concentrated in manufacturing, information transmission, software and information technology services, wholesale and retail, scientific research and technical services, construction, water conservancy, environmental and public facilities management, and other industries. Rongcheng Certified Public Accountants has 14 listed company audit clients in the same industry as Shanghai Weihong Electronics Co., Ltd.

II. Practice Record